Files
Suwayomi-Server/server/src/main/kotlin/suwayomi/tachidesk/impl/Page.kt

96 lines
3.8 KiB
Kotlin

package suwayomi.tachidesk.impl
/*
* 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/. */
import eu.kanade.tachiyomi.source.model.Page
import eu.kanade.tachiyomi.source.online.HttpSource
import org.jetbrains.exposed.sql.and
import org.jetbrains.exposed.sql.select
import org.jetbrains.exposed.sql.transactions.transaction
import org.jetbrains.exposed.sql.update
import org.kodein.di.DI
import org.kodein.di.conf.global
import org.kodein.di.instance
import suwayomi.server.ApplicationDirs
import suwayomi.tachidesk.impl.util.GetHttpSource.getHttpSource
import suwayomi.tachidesk.impl.util.lang.awaitSingle
import suwayomi.tachidesk.impl.util.storage.CachedImageResponse.getCachedImageResponse
import suwayomi.tachidesk.impl.util.storage.SafePath
import suwayomi.tachidesk.model.table.ChapterTable
import suwayomi.tachidesk.model.table.MangaTable
import suwayomi.tachidesk.model.table.PageTable
import java.io.File
import java.io.InputStream
object Page {
/**
* A page might have a imageUrl ready from the get go, or we might need to
* go an extra step and call fetchImageUrl to get it.
*/
suspend fun getTrueImageUrl(page: Page, source: HttpSource): String {
if (page.imageUrl == null) {
page.imageUrl = source.fetchImageUrl(page).awaitSingle()
}
return page.imageUrl!!
}
suspend fun getPageImage(mangaId: Int, chapterIndex: Int, index: Int): Pair<InputStream, String> {
val mangaEntry = transaction { MangaTable.select { MangaTable.id eq mangaId }.first() }
val source = getHttpSource(mangaEntry[MangaTable.sourceReference])
val chapterEntry = transaction {
ChapterTable.select {
(ChapterTable.chapterIndex eq chapterIndex) and (ChapterTable.manga eq mangaId)
}.first()
}
val chapterId = chapterEntry[ChapterTable.id].value
val pageEntry = transaction { PageTable.select { (PageTable.chapter eq chapterId) and (PageTable.index eq index) }.first() }
val tachiPage = Page(
pageEntry[PageTable.index],
pageEntry[PageTable.url],
pageEntry[PageTable.imageUrl]
)
if (pageEntry[PageTable.imageUrl] == null) {
val trueImageUrl = getTrueImageUrl(tachiPage, source)
transaction {
PageTable.update({ (PageTable.chapter eq chapterId) and (PageTable.index eq index) }) {
it[imageUrl] = trueImageUrl
}
}
}
val saveDir = getChapterDir(mangaId, chapterId)
File(saveDir).mkdirs()
val fileName = String.format("%03d", index) // e.g. 001.jpeg
return getCachedImageResponse(saveDir, fileName) {
source.fetchImage(tachiPage).awaitSingle()
}
}
private val applicationDirs by DI.global.instance<ApplicationDirs>()
private fun getChapterDir(mangaId: Int, chapterId: Int): String {
val mangaEntry = transaction { MangaTable.select { MangaTable.id eq mangaId }.first() }
val source = getHttpSource(mangaEntry[MangaTable.sourceReference])
val chapterEntry = transaction { ChapterTable.select { ChapterTable.id eq chapterId }.first() }
val sourceDir = source.toString()
val mangaDir = SafePath.buildValidFilename(mangaEntry[MangaTable.title])
val chapterDir = SafePath.buildValidFilename(
when {
chapterEntry[ChapterTable.scanlator] != null -> "${chapterEntry[ChapterTable.scanlator]}_${chapterEntry[ChapterTable.name]}"
else -> chapterEntry[ChapterTable.name]
}
)
return "${applicationDirs.mangaRoot}/$sourceDir/$mangaDir/$chapterDir"
}
}