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Code Issues Packages Projects Releases Wiki Activity

Load next/prev chapter depending on the sorting method

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This commit is contained in:
len 2016-05-20 19:34:15 +02:00
parent e885469504
commit af0cf9e52d
2 changed files with 37 additions and 6 deletions
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26
app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt
View File

@ -53,6 +53,18 @@ interface ChapterQueries : DbProvider {
.prepare()
}
fun getNextChapterBySource(chapter: Chapter) = db.get()
.`object`(Chapter::class.java)
.withQuery(Query.builder()
.table(ChapterTable.TABLE)
.where("""${ChapterTable.COL_MANGA_ID} = ? AND
${ChapterTable.COL_SOURCE_ORDER} < ?""")
.whereArgs(chapter.manga_id, chapter.source_order)
.orderBy("${ChapterTable.COL_SOURCE_ORDER} DESC")
.limit(1)
.build())
.prepare()
fun getPreviousChapter(chapter: Chapter): PreparedGetObject<Chapter> {
// Add a delta to the chapter number, because binary decimal representation
// can retrieve the same chapter again
@ -65,12 +77,24 @@ interface ChapterQueries : DbProvider {
"${ChapterTable.COL_CHAPTER_NUMBER} < ? AND " +
"${ChapterTable.COL_CHAPTER_NUMBER} >= ?")
.whereArgs(chapter.manga_id, chapterNumber, chapterNumber - 1)
.orderBy(ChapterTable.COL_CHAPTER_NUMBER + " DESC")
.orderBy("${ChapterTable.COL_CHAPTER_NUMBER} DESC")
.limit(1)
.build())
.prepare()
}
fun getPreviousChapterBySource(chapter: Chapter) = db.get()
.`object`(Chapter::class.java)
.withQuery(Query.builder()
.table(ChapterTable.TABLE)
.where("""${ChapterTable.COL_MANGA_ID} = ? AND
${ChapterTable.COL_SOURCE_ORDER} > ?""")
.whereArgs(chapter.manga_id, chapter.source_order)
.orderBy(ChapterTable.COL_SOURCE_ORDER)
.limit(1)
.build())
.prepare()
fun getNextUnreadChapter(manga: Manga) = db.get()
.`object`(Chapter::class.java)
.withQuery(Query.builder()

17
app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt
View File

@ -1,7 +1,6 @@
package eu.kanade.tachiyomi.ui.reader
import android.os.Bundle
import android.util.Pair
import eu.kanade.tachiyomi.data.cache.ChapterCache
import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.data.database.models.Chapter
@ -180,10 +179,8 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
}
private fun getAdjacentChaptersObservable(): Observable<Pair<Chapter, Chapter>> {
return Observable.zip(
db.getPreviousChapter(chapter).asRxObservable().take(1),
db.getNextChapter(chapter).asRxObservable().take(1),
{ a, b -> Pair.create(a, b) })
val strategy = getAdjacentChaptersStrategy()
return Observable.zip(strategy.first, strategy.second) { prev, next -> Pair(prev, next) }
.doOnNext { pair ->
previousChapter = pair.first
nextChapter = pair.second
@ -191,6 +188,16 @@ class ReaderPresenter : BasePresenter<ReaderActivity>() {
.observeOn(AndroidSchedulers.mainThread())
}
private fun getAdjacentChaptersStrategy() = when (manga.sorting) {
Manga.SORTING_NUMBER -> Pair(
db.getPreviousChapter(chapter).asRxObservable().take(1),
db.getNextChapter(chapter).asRxObservable().take(1))
Manga.SORTING_SOURCE -> Pair(
db.getPreviousChapterBySource(chapter).asRxObservable().take(1),
db.getNextChapterBySource(chapter).asRxObservable().take(1))
else -> throw AssertionError("Unknown sorting method")
}
// Preload the first pages of the next chapter. Only for non seamless mode
private fun getPreloadNextChapterObservable(): Observable<Page> {
return source.getCachedPageListOrPullFromNetwork(nextChapter!!.url)