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Fix/chapter list update preserving download state (#2050)

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* Fix preserving chapter download state of deleted chapters

* Fix preserving chapter download state of updated chapters
This commit is contained in:
schroda
2026-05-18 20:04:49 +02:00
committed by GitHub
parent 779229a48a
commit 4d5307f15b
2 changed files with 35 additions and 16 deletions
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50
server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt
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@@ -236,7 +236,7 @@ object Chapter {
val deletedChapterNumbers = TreeSet<Float>()
val deletedReadChapterNumbers = TreeSet<Float>()
val deletedBookmarkedChapterNumbers = TreeSet<Float>()
val deletedDownloadedChapterNumberInfoMap = mutableMapOf<Float, MutableMap<String?, Int>>()
val deletedDownloadedChapterNumberToChapter = mutableMapOf<Float, ChapterDataClass>()
val deletedChapterNumberDateFetchMap = mutableMapOf<Float, Long>()
// clear any orphaned/duplicate chapters that are in the db but not in `chapterList`
@@ -247,13 +247,7 @@ object Chapter {
if (!chapterUrls.contains(dbChapter.url)) {
if (dbChapter.read) deletedReadChapterNumbers.add(dbChapter.chapterNumber)
if (dbChapter.bookmarked) deletedBookmarkedChapterNumbers.add(dbChapter.chapterNumber)
if (dbChapter.downloaded) {
val pageCountByScanlator =
deletedDownloadedChapterNumberInfoMap.getOrPut(
dbChapter.chapterNumber,
) { mutableMapOf() }
pageCountByScanlator[dbChapter.scanlator] = dbChapter.pageCount
}
if (dbChapter.downloaded) deletedDownloadedChapterNumberToChapter[dbChapter.chapterNumber] = dbChapter
deletedChapterNumbers.add(dbChapter.chapterNumber)
deletedChapterNumberDateFetchMap[dbChapter.chapterNumber] = dbChapter.fetchedAt
dbChapter.id
@@ -292,18 +286,24 @@ object Chapter {
this[ChapterTable.isRead] = chapter.chapterNumber in deletedReadChapterNumbers
this[ChapterTable.isBookmarked] = chapter.chapterNumber in deletedBookmarkedChapterNumbers
// only preserve download status for chapters of the same scanlator, otherwise,
// the downloaded files won't be found anyway
val downloadedChapterInfo = deletedDownloadedChapterNumberInfoMap[chapter.chapterNumber]
val pageCount = downloadedChapterInfo?.get(chapter.scanlator)
if (pageCount != null) {
this[ChapterTable.isDownloaded] = true
this[ChapterTable.pageCount] = pageCount
}
// Try to use the fetch date of the original entry to not pollute 'Updates' tab
deletedChapterNumberDateFetchMap[chapter.chapterNumber]?.let {
this[ChapterTable.fetchedAt] = it
}
val deletedChapter = deletedDownloadedChapterNumberToChapter[chapter.chapterNumber]!!
val hasDownloadedPages = deletedChapter.pageCount > 0
val isSameName = deletedChapter.name == chapter.name
val isSameScanlator = deletedChapter.scanlator == chapter.scanlator
// Only preserve download status for chapters with the same name and of the same scanlator; otherwise,
// the downloaded files won't be found anyway
val isDownloadPreservable = hasDownloadedPages && isSameName && isSameScanlator
if (isDownloadPreservable) {
this[ChapterTable.isDownloaded] = true
this[ChapterTable.pageCount] = deletedChapter.pageCount
}
}
}.forEach { insertedChapters.add(ChapterTable.toDataClass(it)) }
}
@@ -313,12 +313,30 @@ object Chapter {
.apply {
chaptersToUpdate.forEach {
addBatch(EntityID(it.id, ChapterTable))
val currentChapter = chaptersInDb.find { dbChapter -> dbChapter.id == it.id }!!
this[ChapterTable.name] = it.name
this[ChapterTable.date_upload] = it.uploadDate
this[ChapterTable.chapter_number] = it.chapterNumber
this[ChapterTable.scanlator] = it.scanlator
this[ChapterTable.sourceOrder] = it.index
this[ChapterTable.realUrl] = it.realUrl
this[ChapterTable.isDownloaded] = currentChapter.downloaded
this[ChapterTable.pageCount] = currentChapter.pageCount
if (!currentChapter.downloaded) {
return@forEach
}
val isSameScanlator = currentChapter.scanlator == it.scanlator
val isSameName = currentChapter.name == it.name
val isDownloadPreservable = isSameName && isSameScanlator
if (!isDownloadPreservable) {
this[ChapterTable.isDownloaded] = false
this[ChapterTable.pageCount] = -1
}
}
}.toExecutable()
.execute(this@transaction)