feat: add read last read chapter shortcut (#7230)

Supersedes #6861

Co-authored-by: Pierre-Monier <65488471+Pierre-Monier@users.noreply.github.com>

Co-authored-by: Pierre-Monier <65488471+Pierre-Monier@users.noreply.github.com>

app/src/main/java/eu/kanade/data/history/HistoryRepositoryImpl.kt

@@ -26,7 +26,13 @@ class HistoryRepositoryImpl(
         )
     }
 
-    override suspend fun getNextChapterForManga(mangaId: Long, chapterId: Long): Chapter? {
+    override suspend fun getLastHistory(): HistoryWithRelations? {
+        return handler.awaitOneOrNull {
+            historyViewQueries.getLatestHistory(historyWithRelationsMapper)
+        }
+    }
+
+    override suspend fun getNextChapter(mangaId: Long, chapterId: Long): Chapter? {
         val chapter = handler.awaitOne { chaptersQueries.getChapterById(chapterId, chapterMapper) }
         val manga = handler.awaitOne { mangasQueries.getMangaById(mangaId, mangaMapper) }
 

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

@@ -12,7 +12,7 @@ import eu.kanade.domain.extension.interactor.GetExtensionUpdates
 import eu.kanade.domain.extension.interactor.GetExtensions
 import eu.kanade.domain.history.interactor.DeleteHistoryTable
 import eu.kanade.domain.history.interactor.GetHistory
-import eu.kanade.domain.history.interactor.GetNextChapterForManga
+import eu.kanade.domain.history.interactor.GetNextChapter
 import eu.kanade.domain.history.interactor.RemoveHistoryById
 import eu.kanade.domain.history.interactor.RemoveHistoryByMangaId
 import eu.kanade.domain.history.interactor.UpsertHistory
@@ -39,7 +39,7 @@ class DomainModule : InjektModule {
     override fun InjektRegistrar.registerInjectables() {
         addSingletonFactory<MangaRepository> { MangaRepositoryImpl(get()) }
         addFactory { GetFavoritesBySourceId(get()) }
-        addFactory { GetNextChapterForManga(get()) }
+        addFactory { GetNextChapter(get()) }
         addFactory { ResetViewerFlags(get()) }
 
         addSingletonFactory<ChapterRepository> { ChapterRepositoryImpl(get()) }

app/src/main/java/eu/kanade/domain/history/interactor/GetNextChapter.kt

@@ -3,11 +3,16 @@ package eu.kanade.domain.history.interactor
 import eu.kanade.domain.chapter.model.Chapter
 import eu.kanade.domain.history.repository.HistoryRepository
 
-class GetNextChapterForManga(
+class GetNextChapter(
     private val repository: HistoryRepository,
 ) {
 
     suspend fun await(mangaId: Long, chapterId: Long): Chapter? {
-        return repository.getNextChapterForManga(mangaId, chapterId)
+        return repository.getNextChapter(mangaId, chapterId)
+    }
+
+    suspend fun await(): Chapter? {
+        val history = repository.getLastHistory() ?: return null
+        return repository.getNextChapter(history.mangaId, history.chapterId)
     }
 }

app/src/main/java/eu/kanade/domain/history/repository/HistoryRepository.kt

@@ -9,7 +9,9 @@ interface HistoryRepository {
 
     fun getHistory(query: String): PagingSource<Long, HistoryWithRelations>
 
-    suspend fun getNextChapterForManga(mangaId: Long, chapterId: Long): Chapter?
+    suspend fun getLastHistory(): HistoryWithRelations?
+
+    suspend fun getNextChapter(mangaId: Long, chapterId: Long): Chapter?
 
     suspend fun resetHistory(historyId: Long)
 

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -177,6 +177,16 @@ class MainActivity : BaseActivity() {
                             router.pushController(DownloadController())
                         }
                     }
+                    R.id.nav_history -> {
+                        if (router.backstackSize == 1) {
+                            try {
+                                val historyController = router.backstack[0].controller as HistoryController
+                                historyController.resumeLastChapterRead()
+                            } catch (e: Exception) {
+                                toast(R.string.cant_open_last_read_chapter)
+                            }
+                        }
+                    }
                     R.id.nav_more -> {
                         if (router.backstackSize == 1) {
                             router.pushController(SettingsMainController())

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryController.kt

@@ -91,4 +91,8 @@ class HistoryController : ComposeController<HistoryPresenter>(), RootController
             activity.toast(R.string.no_next_chapter)
         }
     }
+
+    fun resumeLastChapterRead() {
+        presenter.resumeLastChapterRead()
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryPresenter.kt

@@ -7,7 +7,7 @@ import androidx.paging.insertSeparators
 import androidx.paging.map
 import eu.kanade.domain.history.interactor.DeleteHistoryTable
 import eu.kanade.domain.history.interactor.GetHistory
-import eu.kanade.domain.history.interactor.GetNextChapterForManga
+import eu.kanade.domain.history.interactor.GetNextChapter
 import eu.kanade.domain.history.interactor.RemoveHistoryById
 import eu.kanade.domain.history.interactor.RemoveHistoryByMangaId
 import eu.kanade.domain.history.model.HistoryWithRelations
@@ -36,7 +36,7 @@ import java.util.Date
  */
 class HistoryPresenter(
     private val getHistory: GetHistory = Injekt.get(),
-    private val getNextChapterForManga: GetNextChapterForManga = Injekt.get(),
+    private val getNextChapter: GetNextChapter = Injekt.get(),
     private val deleteHistoryTable: DeleteHistoryTable = Injekt.get(),
     private val removeHistoryById: RemoveHistoryById = Injekt.get(),
     private val removeHistoryByMangaId: RemoveHistoryByMangaId = Injekt.get(),
@@ -101,7 +101,7 @@ class HistoryPresenter(
 
     fun getNextChapterForManga(mangaId: Long, chapterId: Long) {
         presenterScope.launchIO {
-            val chapter = getNextChapterForManga.await(mangaId, chapterId)
+            val chapter = getNextChapter.await(mangaId, chapterId)
             launchUI {
                 view?.openChapter(chapter)
             }
@@ -117,6 +117,15 @@ class HistoryPresenter(
             }
         }
     }
+
+    fun resumeLastChapterRead() {
+        presenterScope.launchIO {
+            val chapter = getNextChapter.await()
+            launchUI {
+                view?.openChapter(chapter)
+            }
+        }
+    }
 }
 
 sealed class HistoryState {

app/src/main/res/values/strings.xml

@@ -843,4 +843,5 @@
     <string name="spen_next_page">Next page</string>
     <string name="pref_navigate_pan">Navigate to pan</string>
     <string name="pref_landscape_zoom">Zoom landscape image</string>
+    <string name="cant_open_last_read_chapter">Unable to open last read chapter</string>
 </resources>

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

@@ -46,3 +46,18 @@ AND maxReadAtChapterId = historyView.chapterId
 AND lower(historyView.title) LIKE ('%' || :query || '%')
 ORDER BY readAt DESC
 LIMIT :limit OFFSET :offset;
+
+getLatestHistory:
+SELECT
+id,
+mangaId,
+chapterId,
+title,
+thumbnailUrl,
+chapterNumber,
+readAt,
+readDuration
+FROM historyView
+WHERE historyView.readAt > 0
+ORDER BY readAt DESC
+LIMIT 1;