mirror of
https://github.com/tachiyomiorg/tachiyomi.git
synced 2024-12-22 11:21:49 +01:00
Always renew download cache if no sources have been loaded yet
Fixes #7705. Somewhat janky solution to handle when loading the sources on app start is slower than the initial download cache priming.
This commit is contained in:
arkon
parent
d6cbff2837
commit
558aad1a71
@ -14,7 +14,7 @@ import java.util.concurrent.TimeUnit
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/**
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* Cache where we dump the downloads directory from the filesystem. This class is needed because
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* directory checking is expensive and it slowdowns the app. The cache is invalidated by the time
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* directory checking is expensive and it slows down the app. The cache is invalidated by the time
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* defined in [renewInterval] as we don't have any control over the filesystem and the user can
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* delete the folders at any time without the app noticing.
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*
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@ -41,27 +41,16 @@ class DownloadCache(
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*/
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private var lastRenew = 0L
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/**
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* The root directory for downloads.
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*/
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private var rootDir = RootDirectory(getDirectoryFromPreference())
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private var rootDownloadsDir = RootDirectory(getDirectoryFromPreference())
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init {
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downloadPreferences.downloadsDirectory().changes()
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.onEach {
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lastRenew = 0L // invalidate cache
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rootDir = RootDirectory(getDirectoryFromPreference())
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rootDownloadsDir = RootDirectory(getDirectoryFromPreference())
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}
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}
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/**
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* Returns the downloads directory from the user's preferences.
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*/
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private fun getDirectoryFromPreference(): UniFile {
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val dir = downloadPreferences.downloadsDirectory().get()
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return UniFile.fromUri(context, dir.toUri())
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}
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/**
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* Returns true if the chapter is downloaded.
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*
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@ -83,9 +72,9 @@ class DownloadCache(
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return provider.findChapterDir(chapterName, chapterScanlator, mangaTitle, source) != null
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}
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checkRenew()
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renewCache()
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val sourceDir = rootDir.files[sourceId]
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val sourceDir = rootDownloadsDir.files[sourceId]
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if (sourceDir != null) {
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val mangaDir = sourceDir.files[provider.getMangaDirName(mangaTitle)]
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if (mangaDir != null) {
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@ -101,9 +90,9 @@ class DownloadCache(
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* @param manga the manga to check.
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*/
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fun getDownloadCount(manga: Manga): Int {
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checkRenew()
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renewCache()
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val sourceDir = rootDir.files[manga.source]
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val sourceDir = rootDownloadsDir.files[manga.source]
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if (sourceDir != null) {
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val mangaDir = sourceDir.files[provider.getMangaDirName(manga.title)]
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if (mangaDir != null) {
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@ -113,54 +102,6 @@ class DownloadCache(
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return 0
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}
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/**
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* Checks if the cache needs a renewal and performs it if needed.
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*/
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@Synchronized
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private fun checkRenew() {
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if (lastRenew + renewInterval < System.currentTimeMillis()) {
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renew()
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lastRenew = System.currentTimeMillis()
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}
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}
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/**
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* Renews the downloads cache.
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*/
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private fun renew() {
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val sources = sourceManager.getOnlineSources() + sourceManager.getStubSources()
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val sourceDirs = rootDir.dir.listFiles()
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.orEmpty()
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.associate { it.name to SourceDirectory(it) }
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.mapNotNullKeys { entry ->
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sources.find { provider.getSourceDirName(it).equals(entry.key, ignoreCase = true) }?.id
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}
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rootDir.files = sourceDirs
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sourceDirs.values.forEach { sourceDir ->
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val mangaDirs = sourceDir.dir.listFiles()
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.orEmpty()
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.associateNotNullKeys { it.name to MangaDirectory(it) }
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sourceDir.files = mangaDirs
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mangaDirs.values.forEach { mangaDir ->
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val chapterDirs = mangaDir.dir.listFiles()
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.orEmpty()
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.mapNotNull { chapterDir ->
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chapterDir.name
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?.replace(".cbz", "")
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?.takeUnless { it.endsWith(Downloader.TMP_DIR_SUFFIX) }
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}
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.toHashSet()
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mangaDir.files = chapterDirs
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}
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}
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}
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/**
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* Adds a chapter that has just been download to this cache.
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*
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@ -171,12 +112,12 @@ class DownloadCache(
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@Synchronized
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fun addChapter(chapterDirName: String, mangaUniFile: UniFile, manga: Manga) {
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// Retrieve the cached source directory or cache a new one
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var sourceDir = rootDir.files[manga.source]
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var sourceDir = rootDownloadsDir.files[manga.source]
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if (sourceDir == null) {
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val source = sourceManager.get(manga.source) ?: return
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val sourceUniFile = provider.findSourceDir(source) ?: return
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sourceDir = SourceDirectory(sourceUniFile)
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rootDir.files += manga.source to sourceDir
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rootDownloadsDir.files += manga.source to sourceDir
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}
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// Retrieve the cached manga directory or cache a new one
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@ -199,7 +140,7 @@ class DownloadCache(
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*/
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@Synchronized
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fun removeChapter(chapter: Chapter, manga: Manga) {
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val sourceDir = rootDir.files[manga.source] ?: return
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val sourceDir = rootDownloadsDir.files[manga.source] ?: return
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val mangaDir = sourceDir.files[provider.getMangaDirName(manga.title)] ?: return
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provider.getValidChapterDirNames(chapter.name, chapter.scanlator).forEach {
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if (it in mangaDir.files) {
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@ -216,7 +157,7 @@ class DownloadCache(
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*/
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@Synchronized
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fun removeChapters(chapters: List<Chapter>, manga: Manga) {
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val sourceDir = rootDir.files[manga.source] ?: return
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val sourceDir = rootDownloadsDir.files[manga.source] ?: return
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val mangaDir = sourceDir.files[provider.getMangaDirName(manga.title)] ?: return
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chapters.forEach { chapter ->
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provider.getValidChapterDirNames(chapter.name, chapter.scanlator).forEach {
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@ -234,7 +175,7 @@ class DownloadCache(
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*/
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@Synchronized
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fun removeManga(manga: Manga) {
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val sourceDir = rootDir.files[manga.source] ?: return
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val sourceDir = rootDownloadsDir.files[manga.source] ?: return
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val mangaDirName = provider.getMangaDirName(manga.title)
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if (mangaDirName in sourceDir.files) {
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sourceDir.files -= mangaDirName
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@ -242,28 +183,61 @@ class DownloadCache(
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}
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/**
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* Class to store the files under the root downloads directory.
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* Returns the downloads directory from the user's preferences.
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*/
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private class RootDirectory(
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val dir: UniFile,
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var files: Map<Long, SourceDirectory> = hashMapOf(),
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)
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private fun getDirectoryFromPreference(): UniFile {
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val dir = downloadPreferences.downloadsDirectory().get()
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return UniFile.fromUri(context, dir.toUri())
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}
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/**
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* Class to store the files under a source directory.
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* Renews the downloads cache.
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*/
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private class SourceDirectory(
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val dir: UniFile,
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var files: Map<String, MangaDirectory> = hashMapOf(),
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)
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@Synchronized
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private fun renewCache() {
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if (lastRenew + renewInterval >= System.currentTimeMillis()) {
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return
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}
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/**
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* Class to store the files under a manga directory.
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*/
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private class MangaDirectory(
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val dir: UniFile,
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var files: Set<String> = hashSetOf(),
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)
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val sources = sourceManager.getOnlineSources() + sourceManager.getStubSources()
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// Ensure we try again later if no sources have been loaded
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if (sources.isEmpty()) {
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return
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}
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val sourceDirs = rootDownloadsDir.dir.listFiles()
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.orEmpty()
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.associate { it.name to SourceDirectory(it) }
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.mapNotNullKeys { entry ->
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sources.find { provider.getSourceDirName(it).equals(entry.key, ignoreCase = true) }?.id
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}
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rootDownloadsDir.files = sourceDirs
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sourceDirs.values.forEach { sourceDir ->
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val mangaDirs = sourceDir.dir.listFiles()
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.orEmpty()
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.associateNotNullKeys { it.name to MangaDirectory(it) }
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sourceDir.files = mangaDirs
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mangaDirs.values.forEach { mangaDir ->
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val chapterDirs = mangaDir.dir.listFiles()
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.orEmpty()
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.mapNotNull { chapterDir ->
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chapterDir.name
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?.replace(".cbz", "")
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?.takeUnless { it.endsWith(Downloader.TMP_DIR_SUFFIX) }
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}
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.toHashSet()
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mangaDir.files = chapterDirs
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}
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}
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lastRenew = System.currentTimeMillis()
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}
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/**
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* Returns a new map containing only the key entries of [transform] that are not null.
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@ -288,3 +262,27 @@ class DownloadCache(
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return destination
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}
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}
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/**
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* Class to store the files under the root downloads directory.
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*/
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private class RootDirectory(
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val dir: UniFile,
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var files: Map<Long, SourceDirectory> = hashMapOf(),
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)
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/**
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* Class to store the files under a source directory.
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*/
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private class SourceDirectory(
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val dir: UniFile,
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var files: Map<String, MangaDirectory> = hashMapOf(),
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)
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/**
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* Class to store the files under a manga directory.
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*/
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private class MangaDirectory(
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val dir: UniFile,
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var files: Set<String> = hashSetOf(),
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)
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