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Group download chapter logic inside the interactor GetChaptersToDownload
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33 changes: 0 additions & 33 deletions
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app/src/main/java/mihon/core/chapters/utils/FilterChaptersToDownload.kt
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domain/src/main/java/mihon/domain/chapter/interactor/GetChaptersToDownload.kt
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|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package mihon.domain.chapter.interactor | ||
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| import android.database.sqlite.SQLiteException | ||
| import logcat.LogPriority | ||
| import tachiyomi.core.common.util.system.logcat | ||
| import tachiyomi.domain.category.interactor.GetCategories | ||
| import tachiyomi.domain.chapter.model.Chapter | ||
| import tachiyomi.domain.chapter.repository.ChapterRepository | ||
| import tachiyomi.domain.download.service.DownloadPreferences | ||
| import tachiyomi.domain.manga.model.Manga | ||
|
|
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| /** | ||
| * Interactor responsible for determining which chapters of a manga should be downloaded. | ||
| * | ||
| * @property chapterRepository The repository for accessing chapter data. | ||
| * @property downloadPreferences User preferences related to chapter downloads. | ||
| * @property getCategories Interactor for retrieving categories associated with a manga. | ||
| */ | ||
| class GetChaptersToDownload( | ||
| private val chapterRepository: ChapterRepository, | ||
| private val downloadPreferences: DownloadPreferences, | ||
| private val getCategories: GetCategories, | ||
| ) { | ||
|
|
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| /** | ||
| * Determines chapters that should be downloaded based on user preferences. | ||
| * | ||
| * @param manga The manga for which chapters may be downloaded. | ||
| * @param newChapters The list of new chapters available for the manga. | ||
| * @return A list of chapters that should be downloaded. | ||
| */ | ||
| suspend fun await(manga: Manga, newChapters: List<Chapter>): List<Chapter> { | ||
| if (!shouldDownloadNewChapters(manga)) { | ||
| return emptyList() | ||
| } | ||
|
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| val downloadUnreadChapters = downloadPreferences.downloadUnreadChaptersOnly().get() | ||
| return if (downloadUnreadChapters) { | ||
| newChapters.filter { isUnreadChapter(manga.id, it.chapterNumber) } | ||
| } else { | ||
| newChapters | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Checks if a chapter is unread based on its manga ID and chapter number. | ||
| * | ||
| * @param mangaId The ID of the manga to which the chapter belongs. | ||
| * @param chapterNumber The number of the chapter. | ||
| * @return `true` if the chapter is unread; otherwise `false`. | ||
| */ | ||
| private suspend fun isUnreadChapter(mangaId: Long, chapterNumber: Double): Boolean { | ||
| return try { | ||
| chapterRepository.getReadChapterCountByMangaIdAndChapterNumber(mangaId, chapterNumber) == 0L | ||
| } catch (e: SQLiteException) { | ||
| logcat(LogPriority.ERROR, e) | ||
| true | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Determines whether new chapters should be downloaded for the manga based on user preferences and the | ||
| * categories to which the manga belongs. | ||
| * | ||
| * @param manga The manga to check for download eligibility. | ||
| * @return `true` if new chapters should be downloaded; otherwise `false`. | ||
| */ | ||
| private suspend fun shouldDownloadNewChapters(manga: Manga): Boolean { | ||
| if (!manga.favorite) return false | ||
|
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| // Boolean to determine if user wants to automatically download new chapters. | ||
| val downloadNewChapters = downloadPreferences.downloadNewChapters().get() | ||
| if (!downloadNewChapters) return false | ||
|
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| val categories = getCategories.await(manga.id).map { it.id }.ifEmpty { listOf(DEFAULT_CATEGORY_ID) } | ||
| val includedCategories = downloadPreferences.downloadNewChapterCategories().get().map { it.toLong() } | ||
| val excludedCategories = downloadPreferences.downloadNewChapterCategoriesExclude().get().map { it.toLong() } | ||
|
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||
| return when { | ||
| includedCategories.isEmpty() && excludedCategories.isEmpty() -> true // Default: Download from all categories | ||
| categories.any { it in excludedCategories } -> false // In excluded category | ||
| includedCategories.isEmpty() -> true // Included category not selected | ||
| else -> categories.any { it in includedCategories } // In included category | ||
| } | ||
| } | ||
|
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| companion object { | ||
| private const val DEFAULT_CATEGORY_ID = 0L | ||
| } | ||
| } |
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...main/java/mihon/domain/chapter/interactor/GetReadChapterCountByMangaIdAndChapterNumber.kt
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