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Implement a download cache

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This commit is contained in:
inorichi
2017-11-28 00:32:51 +01:00
parent 604929d002
commit bff329a329
10 changed files with 327 additions and 149 deletions
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app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt
+5 -48
View File
@@ -1,7 +1,6 @@
package eu.kanade.tachiyomi.ui.library
import android.os.Bundle
import com.hippo.unifile.UniFile
import com.jakewharton.rxrelay.BehaviorRelay
import eu.kanade.tachiyomi.data.cache.CoverCache
import eu.kanade.tachiyomi.data.database.DatabaseHelper
@@ -107,12 +106,6 @@ class LibraryPresenter(
* @param map the map to filter.
*/
private fun applyFilters(map: LibraryMap): LibraryMap {
// Cached list of downloaded manga directories given a source id.
val mangaDirsForSource = mutableMapOf<Long, Map<String?, UniFile>>()
// Cached list of downloaded chapter directories for a manga.
val chapterDirectories = mutableMapOf<Long, Boolean>()
val filterDownloaded = preferences.filterDownloaded().getOrDefault()
val filterUnread = preferences.filterUnread().getOrDefault()
@@ -121,7 +114,7 @@ class LibraryPresenter(
val filterFn: (LibraryItem) -> Boolean = f@ { item ->
// Filter out manga without source.
val source = sourceManager.get(item.manga.source) ?: return@f false
sourceManager.get(item.manga.source) ?: return@f false
// Filter when there isn't unread chapters.
if (filterUnread && item.manga.unread == 0) {
@@ -132,28 +125,14 @@ class LibraryPresenter(
return@f false
}
// Filter when the download directory doesn't exist or is null.
// Filter when there are no downloads.
if (filterDownloaded) {
// Don't bother with directory checking if download count has been set.
if (item.downloadCount != -1) {
return@f item.downloadCount > 0
}
// Get the directories for the source of the manga.
val dirsForSource = mangaDirsForSource.getOrPut(source.id) {
val sourceDir = downloadManager.findSourceDir(source)
sourceDir?.listFiles()?.associateBy { it.name }.orEmpty()
}
val mangaDirName = downloadManager.getMangaDirName(item.manga)
val mangaDir = dirsForSource[mangaDirName] ?: return@f false
val hasDirs = chapterDirectories.getOrPut(item.manga.id!!) {
mangaDir.listFiles()?.isNotEmpty() ?: false
}
if (!hasDirs) {
return@f false
}
return@f downloadManager.getDownloadCount(item.manga) > 0
}
true
}
@@ -177,31 +156,9 @@ class LibraryPresenter(
return
}
// Cached list of downloaded manga directories given a source id.
val mangaDirsForSource = mutableMapOf<Long, Map<String?, UniFile>>()
// Cached list of downloaded chapter directories for a manga.
val chapterDirectories = mutableMapOf<Long, Int>()
val downloadCountFn: (LibraryItem) -> Int = f@ { item ->
val source = sourceManager.get(item.manga.source) ?: return@f 0
// Get the directories for the source of the manga.
val dirsForSource = mangaDirsForSource.getOrPut(source.id) {
val sourceDir = downloadManager.findSourceDir(source)
sourceDir?.listFiles()?.associateBy { it.name }.orEmpty()
}
val mangaDirName = downloadManager.getMangaDirName(item.manga)
val mangaDir = dirsForSource[mangaDirName] ?: return@f 0
chapterDirectories.getOrPut(item.manga.id!!) {
mangaDir.listFiles()?.size ?: 0
}
}
for ((_, itemList) in map) {
for (item in itemList) {
item.downloadCount = downloadCountFn(item)
item.downloadCount = downloadManager.getDownloadCount(item.manga)
}
}
}
@@ -360,7 +317,7 @@ class LibraryPresenter(
if (deleteChapters) {
val source = sourceManager.get(manga.source) as? HttpSource
if (source != null) {
downloadManager.findMangaDir(source, manga)?.delete()
downloadManager.deleteManga(manga, source)
}
}
}