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* refactor * better naming * fix copytight notice
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148 changes: 148 additions & 0 deletions
148
server/src/main/kotlin/suwayomi/tachidesk/manga/impl/chapter/ChapterForDownload.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,148 @@ | ||
| package suwayomi.tachidesk.manga.impl.chapter | ||
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| /* | ||
| * Copyright (C) Contributors to the Suwayomi project | ||
| * | ||
| * This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ | ||
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| import eu.kanade.tachiyomi.source.model.Page | ||
| import eu.kanade.tachiyomi.source.model.SChapter | ||
| import org.jetbrains.exposed.sql.ResultRow | ||
| import org.jetbrains.exposed.sql.and | ||
| import org.jetbrains.exposed.sql.insert | ||
| import org.jetbrains.exposed.sql.select | ||
| import org.jetbrains.exposed.sql.transactions.transaction | ||
| import org.jetbrains.exposed.sql.update | ||
| import suwayomi.tachidesk.manga.impl.Page.getPageName | ||
| import suwayomi.tachidesk.manga.impl.util.getChapterDir | ||
| import suwayomi.tachidesk.manga.impl.util.lang.awaitSingle | ||
| import suwayomi.tachidesk.manga.impl.util.source.GetCatalogueSource.getCatalogueSourceOrStub | ||
| import suwayomi.tachidesk.manga.impl.util.storage.ImageResponse | ||
| import suwayomi.tachidesk.manga.model.dataclass.ChapterDataClass | ||
| import suwayomi.tachidesk.manga.model.table.ChapterTable | ||
| import suwayomi.tachidesk.manga.model.table.MangaTable | ||
| import suwayomi.tachidesk.manga.model.table.PageTable | ||
| import suwayomi.tachidesk.manga.model.table.toDataClass | ||
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| suspend fun getChapterDownloadReady(chapterIndex: Int, mangaId: Int): ChapterDataClass { | ||
| val chapter = ChapterForDownload(chapterIndex, mangaId) | ||
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| return chapter.asDownloadReady() | ||
| } | ||
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| private class ChapterForDownload( | ||
| private val chapterIndex: Int, | ||
| private val mangaId: Int | ||
| ) { | ||
| suspend fun asDownloadReady(): ChapterDataClass { | ||
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| if (isNotCompletelyDownloaded()) { | ||
| markAsNotDownloaded() | ||
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| val pageList = fetchPageList() | ||
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| updateDatabasePages(pageList) | ||
| } | ||
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| return asDataClass() | ||
| } | ||
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| private fun asDataClass() = ChapterTable.toDataClass(chapterEntry) | ||
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| var chapterEntry: ResultRow = freshChapterEntry() | ||
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| private fun freshChapterEntry() = transaction { | ||
| ChapterTable.select { | ||
| (ChapterTable.sourceOrder eq chapterIndex) and (ChapterTable.manga eq mangaId) | ||
| }.first() | ||
| } | ||
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| private suspend fun fetchPageList(): List<Page> { | ||
| val mangaEntry = transaction { MangaTable.select { MangaTable.id eq mangaId }.first() } | ||
| val source = getCatalogueSourceOrStub(mangaEntry[MangaTable.sourceReference]) | ||
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| return source.fetchPageList( | ||
| SChapter.create().apply { | ||
| url = chapterEntry[ChapterTable.url] | ||
| name = chapterEntry[ChapterTable.name] | ||
| } | ||
| ).awaitSingle() | ||
| } | ||
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| private fun markAsNotDownloaded() { | ||
| // chapter may be downloaded but if we are here, then images might be deleted and database data be false | ||
| transaction { | ||
| ChapterTable.update({ (ChapterTable.sourceOrder eq chapterIndex) and (ChapterTable.manga eq mangaId) }) { | ||
| it[isDownloaded] = false | ||
| } | ||
| } | ||
| } | ||
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| private fun updateDatabasePages(pageList: List<Page>) { | ||
| val chapterId = chapterEntry[ChapterTable.id].value | ||
| val chapterIndex = chapterEntry[ChapterTable.sourceOrder] | ||
| val mangaId = chapterEntry[ChapterTable.manga].value | ||
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| transaction { | ||
| pageList.forEach { page -> | ||
| val pageEntry = transaction { | ||
| PageTable.select { (PageTable.chapter eq chapterId) and (PageTable.index eq page.index) } | ||
| .firstOrNull() | ||
| } | ||
| if (pageEntry == null) { | ||
| PageTable.insert { | ||
| it[index] = page.index | ||
| it[url] = page.url | ||
| it[imageUrl] = page.imageUrl | ||
| it[chapter] = chapterId | ||
| } | ||
| } else { | ||
| PageTable.update({ (PageTable.chapter eq chapterId) and (PageTable.index eq page.index) }) { | ||
| it[url] = page.url | ||
| it[imageUrl] = page.imageUrl | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| updatePageCount(pageList, mangaId, chapterIndex) | ||
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| // chapter was updated | ||
| chapterEntry = freshChapterEntry() | ||
| } | ||
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| private fun updatePageCount( | ||
| pageList: List<Page>, | ||
| mangaId: Int, | ||
| chapterIndex: Int | ||
| ) { | ||
| val pageCount = pageList.count() | ||
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| transaction { | ||
| ChapterTable.update({ (ChapterTable.manga eq mangaId) and (ChapterTable.sourceOrder eq chapterIndex) }) { | ||
| it[ChapterTable.pageCount] = pageCount | ||
| } | ||
| } | ||
| } | ||
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| private fun isNotCompletelyDownloaded(): Boolean { | ||
| return !(chapterEntry[ChapterTable.isDownloaded] && firstPageExists()) | ||
| } | ||
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| private fun firstPageExists(): Boolean { | ||
| val chapterId = chapterEntry[ChapterTable.id].value | ||
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| val chapterDir = getChapterDir(mangaId, chapterId) | ||
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| println(chapterDir) | ||
| println(getPageName(0)) | ||
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| return ImageResponse.findFileNameStartingWith( | ||
| chapterDir, | ||
| getPageName(0) | ||
| ) != null | ||
| } | ||
| } |
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