Tweak library view (#8240)

- Move category join to improve performance
- Move bookmark calculation into query
- Move unread calculation into domain

app/build.gradle.kts

@@ -27,7 +27,7 @@ android {
         applicationId = "eu.kanade.tachiyomi"
         minSdk = AndroidConfig.minSdk
         targetSdk = AndroidConfig.targetSdk
-        versionCode = 87
+        versionCode = 88
         versionName = "0.13.6"
 
         buildConfigField("String", "COMMIT_COUNT", "\"${getCommitCount()}\"")

app/src/main/java/eu/kanade/data/manga/MangaMapper.kt

@@ -28,8 +28,8 @@ val mangaMapper: (Long, Long, String, String?, String?, String?, List<String>?,
         )
     }
 
-val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, UpdateStrategy, Long, Long, Long, Long, Long, Long) -> LibraryManga =
-    { id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, nextUpdate, initialized, viewerFlags, chapterFlags, coverLastModified, dateAdded, updateStrategy, unreadCount, readCount, latestUpload, chapterFetchedAt, lastRead, category ->
+val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?, String, Long, String?, Boolean, Long?, Long?, Boolean, Long, Long, Long, Long, UpdateStrategy, Long, Long, Long, Long, Long, Long, Long) -> LibraryManga =
+    { id, source, url, artist, author, description, genre, title, status, thumbnailUrl, favorite, lastUpdate, nextUpdate, initialized, viewerFlags, chapterFlags, coverLastModified, dateAdded, updateStrategy, totalCount, readCount, latestUpload, chapterFetchedAt, lastRead, bookmarkCount, category ->
         LibraryManga(
             manga = mangaMapper(
                 id,
@@ -53,8 +53,9 @@ val libraryManga: (Long, Long, String, String?, String?, String?, List<String>?,
                 updateStrategy,
             ),
             category = category,
-            unreadCount = unreadCount,
+            totalChapters = totalCount,
             readCount = readCount,
+            bookmarkCount = bookmarkCount,
             latestUpload = latestUpload,
             chapterFetchedAt = chapterFetchedAt,
             lastRead = lastRead,

app/src/main/java/eu/kanade/domain/DomainModule.kt

@@ -19,7 +19,6 @@ import eu.kanade.domain.category.interactor.SetMangaCategories
 import eu.kanade.domain.category.interactor.SetSortModeForCategory
 import eu.kanade.domain.category.interactor.UpdateCategory
 import eu.kanade.domain.category.repository.CategoryRepository
-import eu.kanade.domain.chapter.interactor.GetBookmarkedChaptersByMangaId
 import eu.kanade.domain.chapter.interactor.GetChapter
 import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SetMangaDefaultChapterFlags
@@ -111,7 +110,6 @@ class DomainModule : InjektModule {
         addSingletonFactory<ChapterRepository> { ChapterRepositoryImpl(get()) }
         addFactory { GetChapter(get()) }
         addFactory { GetChapterByMangaId(get()) }
-        addFactory { GetBookmarkedChaptersByMangaId(get()) }
         addFactory { UpdateChapter(get()) }
         addFactory { SetReadStatus(get(), get(), get(), get()) }
         addFactory { ShouldUpdateDbChapter() }

app/src/main/java/eu/kanade/domain/chapter/interactor/GetBookmarkedChaptersByMangaId.kt

@@ -1,20 +0,0 @@
-package eu.kanade.domain.chapter.interactor
-
-import eu.kanade.domain.chapter.model.Chapter
-import eu.kanade.domain.chapter.repository.ChapterRepository
-import eu.kanade.tachiyomi.util.system.logcat
-import logcat.LogPriority
-
-class GetBookmarkedChaptersByMangaId(
-    private val chapterRepository: ChapterRepository,
-) {
-
-    suspend fun await(mangaId: Long): List<Chapter> {
-        return try {
-            chapterRepository.getBookmarkedChaptersByMangaId(mangaId)
-        } catch (e: Exception) {
-            logcat(LogPriority.ERROR, e)
-            emptyList()
-        }
-    }
-}

app/src/main/java/eu/kanade/domain/library/model/LibraryManga.kt

@@ -5,15 +5,20 @@ import eu.kanade.domain.manga.model.Manga
 data class LibraryManga(
     val manga: Manga,
     val category: Long,
-    val unreadCount: Long,
+    val totalChapters: Long,
     val readCount: Long,
+    val bookmarkCount: Long,
     val latestUpload: Long,
     val chapterFetchedAt: Long,
     val lastRead: Long,
 ) {
     val id: Long = manga.id
 
-    val totalChapters = readCount + unreadCount
+    val unreadCount
+        get() = totalChapters - readCount
+
+    val hasBookmarks
+        get() = bookmarkCount > 0
 
     val hasStarted = readCount > 0
 }

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt

@@ -19,7 +19,6 @@ import eu.kanade.domain.base.BasePreferences
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.SetMangaCategories
 import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.chapter.interactor.GetBookmarkedChaptersByMangaId
 import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SetReadStatus
 import eu.kanade.domain.chapter.model.toDbChapter
@@ -55,7 +54,6 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.runBlocking
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
@@ -84,7 +82,6 @@ class LibraryPresenter(
     private val getLibraryManga: GetLibraryManga = Injekt.get(),
     private val getTracks: GetTracks = Injekt.get(),
     private val getCategories: GetCategories = Injekt.get(),
-    private val getBookmarkedChaptersByMangaId: GetBookmarkedChaptersByMangaId = Injekt.get(),
     private val getChapterByMangaId: GetChapterByMangaId = Injekt.get(),
     private val setReadStatus: SetReadStatus = Injekt.get(),
     private val updateManga: UpdateManga = Injekt.get(),
@@ -218,14 +215,13 @@ class LibraryPresenter(
 
         val filterFnBookmarked: (LibraryItem) -> Boolean = bookmarked@{ item ->
             if (filterBookmarked == State.IGNORE.value) return@bookmarked true
-            return@bookmarked runBlocking {
-                val isBookmarked = getBookmarkedChaptersByMangaId.await(item.libraryManga.manga.id).isNotEmpty()
 
-                return@runBlocking if (filterBookmarked == State.INCLUDE.value) {
-                    isBookmarked
+            val hasBookmarks = item.libraryManga.hasBookmarks
+
+            return@bookmarked if (filterBookmarked == State.INCLUDE.value) {
+                hasBookmarks
             } else {
-                    !isBookmarked
-                }
+                !hasBookmarks
             }
         }
 

app/src/main/sqldelight/migrations/22.sqm

@@ -0,0 +1,31 @@
+DROP VIEW libraryView;
+
+CREATE VIEW libraryView AS
+SELECT
+    M.*,
+    coalesce(C.total, 0) AS totalCount,
+    coalesce(C.readCount, 0) AS readCount,
+    coalesce(C.latestUpload, 0) AS latestUpload,
+    coalesce(C.fetchedAt, 0) AS chapterFetchedAt,
+    coalesce(C.lastRead, 0) AS lastRead,
+    coalesce(C.bookmarkCount, 0) AS bookmarkCount,
+    coalesce(MC.category_id, 0) AS category
+FROM mangas M
+LEFT JOIN(
+    SELECT
+        chapters.manga_id,
+        count(*) AS total,
+        sum(read) AS readCount,
+        coalesce(max(chapters.date_upload), 0) AS latestUpload,
+        coalesce(max(history.last_read), 0) AS lastRead,
+        coalesce(max(chapters.date_fetch), 0) AS fetchedAt,
+        sum(chapters.bookmark) AS bookmarkCount
+    FROM chapters
+    LEFT JOIN history
+    ON chapters._id = history.chapter_id
+    GROUP BY chapters.manga_id
+) AS C
+ON M._id = C.manga_id
+LEFT JOIN mangas_categories AS MC
+ON MC.manga_id = M._id
+WHERE M.favorite = 1;

app/src/main/sqldelight/view/libraryView.sq

@@ -1,15 +1,14 @@
 CREATE VIEW libraryView AS
 SELECT
     M.*,
-    coalesce(C.total - C.readCount, 0) AS unreadCount,
+    coalesce(C.total, 0) AS totalCount,
     coalesce(C.readCount, 0) AS readCount,
     coalesce(C.latestUpload, 0) AS latestUpload,
     coalesce(C.fetchedAt, 0) AS chapterFetchedAt,
     coalesce(C.lastRead, 0) AS lastRead,
-    COALESCE(MC.category_id, 0) AS category
+    coalesce(C.bookmarkCount, 0) AS bookmarkCount,
+    coalesce(MC.category_id, 0) AS category
 FROM mangas M
-LEFT JOIN mangas_categories AS MC
-ON MC.manga_id = M._id
 LEFT JOIN(
     SELECT
         chapters.manga_id,
@@ -17,13 +16,16 @@ LEFT JOIN(
         sum(read) AS readCount,
         coalesce(max(chapters.date_upload), 0) AS latestUpload,
         coalesce(max(history.last_read), 0) AS lastRead,
-        coalesce(max(chapters.date_fetch), 0) AS fetchedAt
+        coalesce(max(chapters.date_fetch), 0) AS fetchedAt,
+        sum(chapters.bookmark) AS bookmarkCount
     FROM chapters
     LEFT JOIN history
     ON chapters._id = history.chapter_id
     GROUP BY chapters.manga_id
 ) AS C
 ON M._id = C.manga_id
+LEFT JOIN mangas_categories AS MC
+ON MC.manga_id = M._id
 WHERE M.favorite = 1;
 
 library: