Ability to remove item from updates

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt

@@ -13,9 +13,9 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 			entity = MangaEntity::class,
 			parentColumns = ["manga_id"],
 			childColumns = ["manga_id"],
-			onDelete = ForeignKey.CASCADE
+			onDelete = ForeignKey.CASCADE,
-		)
+		),
-	]
+	],
 )
 class TrackEntity(
 	@PrimaryKey(autoGenerate = false)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TracksDao.kt

@@ -43,6 +43,9 @@ abstract class TracksDao {
 	@Query("UPDATE tracks SET chapters_new = 0")
 	abstract suspend fun clearCounters()
 
+	@Query("UPDATE tracks SET chapters_new = 0 WHERE manga_id = :mangaId")
+	abstract suspend fun clearCounter(mangaId: Long)
+
 	@Query("DELETE FROM tracks WHERE manga_id = :mangaId")
 	abstract suspend fun delete(mangaId: Long)
 

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt

@@ -126,6 +126,18 @@ class TrackingRepository @Inject constructor(
 		}
 	}
 
+	suspend fun clearUpdates(ids: Collection<Long>) {
+		when {
+			ids.isEmpty() -> return
+			ids.size == 1 -> db.tracksDao.clearCounter(ids.single())
+			else -> db.withTransaction {
+				for (id in ids) {
+					db.tracksDao.clearCounter(id)
+				}
+			}
+		}
+	}
+
 	suspend fun syncWithHistory(manga: Manga, chapterId: Long) {
 		val chapters = manga.chapters ?: return
 		val chapterIndex = chapters.indexOfFirst { x -> x.id == chapterId }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/updates/UpdatesFragment.kt

@@ -1,7 +1,12 @@
 package org.koitharu.kotatsu.tracker.ui.updates
 
+import android.view.Menu
+import android.view.MenuItem
+import androidx.appcompat.view.ActionMode
 import androidx.fragment.app.viewModels
 import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 
 @AndroidEntryPoint
@@ -12,6 +17,22 @@ class UpdatesFragment : MangaListFragment() {
 
 	override fun onScrolledToEnd() = Unit
 
+	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		mode.menuInflater.inflate(R.menu.mode_updates, menu)
+		return super.onCreateActionMode(controller, mode, menu)
+	}
+
+	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.action_remove -> {
+				viewModel.remove(controller.snapshot())
+				true
+			}
+
+			else -> super.onActionItemClicked(controller, mode, item)
+		}
+	}
+
 	companion object {
 
 		fun newInstance() = UpdatesFragment()

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/updates/UpdatesViewModel.kt

@@ -59,4 +59,10 @@ class UpdatesViewModel @Inject constructor(
 	override fun onRefresh() = Unit
 
 	override fun onRetry() = Unit
+
+	fun remove(ids: Set<Long>) {
+		launchJob(Dispatchers.Default) {
+			repository.clearUpdates(ids)
+		}
+	}
 }

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

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<item
+		android:id="@+id/action_share"
+		android:icon="?actionModeShareDrawable"
+		android:title="@string/share"
+		app:showAsAction="ifRoom|withText" />
+
+	<item
+		android:id="@+id/action_remove"
+		android:icon="@drawable/ic_delete"
+		android:title="@string/delete"
+		app:showAsAction="ifRoom|withText" />
+
+	<item
+		android:id="@+id/action_save"
+		android:icon="@drawable/ic_save"
+		android:title="@string/save"
+		app:showAsAction="ifRoom|withText" />
+
+	<item
+		android:id="@+id/action_select_all"
+		android:icon="?actionModeSelectAllDrawable"
+		android:title="@android:string/selectAll"
+		app:showAsAction="ifRoom|withText" />
+</menu>