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Optimize library downloaded filter

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This commit is contained in:
len 2016-12-11 23:59:25 +01:00
parent b067096fc7
commit 9ad535bde6
1 changed files with 45 additions and 48 deletions
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93
app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt
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@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.library
import android.os.Bundle
import android.util.Pair
import com.hippo.unifile.UniFile
import com.jakewharton.rxrelay.BehaviorRelay
import com.jakewharton.rxrelay.PublishRelay
import eu.kanade.tachiyomi.data.cache.CoverCache
@ -110,12 +111,52 @@ class LibraryPresenter : BasePresenter<LibraryFragment>() {
}
private fun applyFilters(map: Map<Int, List<Manga>>): Map<Int, List<Manga>> {
val isAscending = preferences.librarySortingAscending().getOrDefault()
val comparator = Comparator<Manga> { m1, m2 -> sortManga(m1, m2) }
// Cached list of downloaded manga directories given a source id.
val mangaDirectories = mutableMapOf<Int, Array<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()
val filterFn: (Manga) -> Boolean = f@ { manga: Manga ->
// Filter out manga without source
val source = sourceManager.get(manga.source) ?: return@f false
if (filterUnread && manga.unread == 0) {
return@f false
}
if (filterDownloaded) {
val mangaDirs = mangaDirectories.getOrPut(source.id) {
downloadManager.findSourceDir(source)?.listFiles() ?: emptyArray()
}
val mangaDirName = downloadManager.getMangaDirName(manga)
val mangaDir = mangaDirs.find { it.name == mangaDirName }
return@f if (mangaDir == null) {
false
} else {
chapterDirectories.getOrPut(manga.id!!) {
(mangaDir.listFiles() ?: emptyArray()).isNotEmpty()
}
}
}
true
}
// Sorting
val comparator: Comparator<Manga> = if (preferences.librarySortingAscending().getOrDefault())
Comparator { m1, m2 -> sortManga(m1, m2) }
else
Comparator { m1, m2 -> sortManga(m2, m1) }
return map.mapValues { entry -> entry.value
.filter { filterManga(it) }
.sortedWith(if (isAscending) comparator else Collections.reverseOrder(comparator))
.filter(filterFn)
.sortedWith(comparator)
}
}
@ -187,50 +228,6 @@ class LibraryPresenter : BasePresenter<LibraryFragment>() {
}
}
/**
* Filters an entry of the library.
*
* @param manga a favorite manga from the database.
* @return true if the entry is included, false otherwise.
*/
fun filterManga(manga: Manga): Boolean {
// Filter out manga without source
val source = sourceManager.get(manga.source) ?: return false
val prefFilterDownloaded = preferences.filterDownloaded().getOrDefault()
val prefFilterUnread = preferences.filterUnread().getOrDefault()
// Check if filter option is selected
if (prefFilterDownloaded || prefFilterUnread) {
// Does it have downloaded chapters.
var hasDownloaded = false
var hasUnread = false
if (prefFilterUnread) {
// Does it have unread chapters.
hasUnread = manga.unread > 0
}
if (prefFilterDownloaded) {
val mangaDir = downloadManager.findMangaDir(source, manga)
if (mangaDir != null) {
hasDownloaded = mangaDir.listFiles()?.any { it.isDirectory } ?: false
}
}
// Return correct filter status
if (prefFilterDownloaded && prefFilterUnread) {
return (hasDownloaded && hasUnread)
} else {
return (hasDownloaded || hasUnread)
}
} else {
return true
}
}
/**
* Called when a manga is opened.
*/