Action to mark manga as completed

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/list/FavouritesListFragment.kt

@@ -7,6 +7,7 @@ import android.view.View
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.PopupMenu
 import androidx.fragment.app.viewModels
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
@@ -73,6 +74,18 @@ class FavouritesListFragment : MangaListFragment(), PopupMenu.OnMenuItemClickLis
 				true
 			}
 
+			R.id.action_mark_current -> {
+				MaterialAlertDialogBuilder(context ?: return false)
+					.setTitle(item.title)
+					.setMessage(R.string.mark_as_completed_prompt)
+					.setNegativeButton(android.R.string.cancel, null)
+					.setPositiveButton(android.R.string.ok) { _, _ ->
+						viewModel.markAsRead(selectedItems)
+						mode.finish()
+					}.show()
+				true
+			}
+
 			else -> super.onActionItemClicked(controller, mode, item)
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/list/FavouritesListViewModel.kt

@@ -21,6 +21,7 @@ import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.favourites.ui.list.FavouritesListFragment.Companion.ARG_CATEGORY_ID
 import org.koitharu.kotatsu.favourites.ui.list.FavouritesListFragment.Companion.NO_ID
+import org.koitharu.kotatsu.history.domain.MarkAsReadUseCase
 import org.koitharu.kotatsu.list.domain.ListExtraProvider
 import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
@@ -28,6 +29,7 @@ import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.LoadingState
 import org.koitharu.kotatsu.list.ui.model.toErrorState
 import org.koitharu.kotatsu.list.ui.model.toUi
+import org.koitharu.kotatsu.parsers.model.Manga
 import javax.inject.Inject
 
 @HiltViewModel
@@ -35,11 +37,13 @@ class FavouritesListViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	private val repository: FavouritesRepository,
 	private val listExtraProvider: ListExtraProvider,
+	private val markAsReadUseCase: MarkAsReadUseCase,
 	settings: AppSettings,
 	downloadScheduler: DownloadWorker.Scheduler,
 ) : MangaListViewModel(settings, downloadScheduler) {
 
 	val categoryId: Long = savedStateHandle[ARG_CATEGORY_ID] ?: NO_ID
+	private val refreshTrigger = MutableStateFlow(Any())
 
 	override val listMode = settings.observeAsFlow(AppSettings.KEY_LIST_MODE_FAVORITES) { favoritesListMode }
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, settings.favoritesListMode)
@@ -59,7 +63,8 @@ class FavouritesListViewModel @Inject constructor(
 			repository.observeAll(categoryId)
 		},
 		listMode,
-	) { list, mode ->
+		refreshTrigger,
+	) { list, mode, _ ->
 		when {
 			list.isEmpty() -> listOf(
 				EmptyState(
@@ -80,10 +85,19 @@ class FavouritesListViewModel @Inject constructor(
 		emit(listOf(it.toErrorState(canRetry = false)))
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, listOf(LoadingState))
 
-	override fun onRefresh() = Unit
+	override fun onRefresh() {
+		refreshTrigger.value = Any()
+	}
 
 	override fun onRetry() = Unit
 
+	fun markAsRead(items: Set<Manga>) {
+		launchLoadingJob(Dispatchers.Default) {
+			markAsReadUseCase(items)
+			onRefresh()
+		}
+	}
+
 	fun removeFromFavourites(ids: Set<Long>) {
 		if (ids.isEmpty()) {
 			return

app/src/main/kotlin/org/koitharu/kotatsu/history/domain/MarkAsReadUseCase.kt

@@ -0,0 +1,49 @@
+package org.koitharu.kotatsu.history.domain
+
+import dagger.Reusable
+import kotlinx.coroutines.joinAll
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.supervisorScope
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.history.data.HistoryRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import javax.inject.Inject
+
+@Reusable
+class MarkAsReadUseCase @Inject constructor(
+	private val historyRepository: HistoryRepository,
+	private val mangaRepositoryFactory: MangaRepository.Factory,
+) {
+
+	suspend operator fun invoke(manga: Manga) {
+		val repo = mangaRepositoryFactory.create(manga.source)
+		val details = if (manga.chapters.isNullOrEmpty()) {
+			repo.getDetails(manga)
+		} else {
+			manga
+		}
+		val lastChapter = checkNotNull(details.chapters).last()
+		val pages = repo.getPages(lastChapter)
+		historyRepository.addOrUpdate(
+			manga = details,
+			chapterId = lastChapter.id,
+			page = pages.lastIndex,
+			scroll = 0,
+			percent = 1f,
+		)
+	}
+
+	suspend operator fun invoke(manga: Collection<Manga>) {
+		when (manga.size) {
+			0 -> Unit
+			1 -> invoke(manga.first())
+			else -> supervisorScope {
+				manga.map {
+					launch {
+						invoke(it)
+					}
+				}.joinAll()
+			}
+		}
+	}
+}

app/src/main/res/menu/mode_favourites.xml

@@ -27,6 +27,12 @@
 		android:title="@string/categories"
 		app:showAsAction="ifRoom|withText" />
 
+	<item
+		android:id="@+id/action_mark_current"
+		android:icon="@drawable/ic_eye_check"
+		android:title="@string/mark_as_completed"
+		app:showAsAction="ifRoom|withText" />
+
 	<item
 		android:id="@+id/action_select_all"
 		android:icon="?actionModeSelectAllDrawable"

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

@@ -556,4 +556,6 @@
 	<string name="rating_suggestive">Suggestive</string>
 	<string name="rating_adult">Adult</string>
 	<string name="default_tab">Default tab</string>
+	<string name="mark_as_completed">Mark as completed</string>
+	<string name="mark_as_completed_prompt">Mark selected manga as completely read?\n\nWarning: current reading progress will be lost.</string>
 </resources>