Option to update trackers when chapter marked as read

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.manga
 
 import android.content.Context
+import androidx.compose.material3.SnackbarDuration
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.SnackbarResult
 import androidx.compose.runtime.Immutable
@@ -21,6 +22,7 @@ import eu.kanade.domain.manga.model.chaptersFiltered
 import eu.kanade.domain.manga.model.downloadedFilter
 import eu.kanade.domain.manga.model.toSManga
 import eu.kanade.domain.track.interactor.AddTracks
+import eu.kanade.domain.track.interactor.TrackChapter
 import eu.kanade.presentation.manga.DownloadAction
 import eu.kanade.presentation.manga.components.ChapterDownloadAction
 import eu.kanade.presentation.util.formattedMessage
@@ -89,6 +91,7 @@ class MangaScreenModel(
     private val libraryPreferences: LibraryPreferences = Injekt.get(),
     readerPreferences: ReaderPreferences = Injekt.get(),
     private val trackerManager: TrackerManager = Injekt.get(),
+    private val trackChapter: TrackChapter = Injekt.get(),
     private val downloadManager: DownloadManager = Injekt.get(),
     private val downloadCache: DownloadCache = Injekt.get(),
     private val getMangaAndChapters: GetMangaWithChapters = Injekt.get(),
@@ -718,6 +721,26 @@ class MangaScreenModel(
                 read = read,
                 chapters = chapters.toTypedArray(),
             )
+
+            if (!read) return@launchIO
+            val tracks = getTracks.await(mangaId)
+            val maxChapterNumber = chapters.maxOf { it.chapterNumber }
+            val shouldPromptTrackingUpdate = tracks.any { track ->
+                maxChapterNumber > track.lastChapterRead
+            }
+
+            if (!shouldPromptTrackingUpdate) return@launchIO
+            val formattedChapterNumber = maxChapterNumber.toInt()
+            val result = snackbarHostState.showSnackbar(
+                message = context.stringResource(MR.strings.confirm_tracker_update, formattedChapterNumber),
+                actionLabel = context.stringResource(MR.strings.action_ok),
+                duration = SnackbarDuration.Short,
+                withDismissAction = true,
+            )
+
+            if (result == SnackbarResult.ActionPerformed) {
+                trackChapter.await(context, mangaId, maxChapterNumber)
+            }
         }
         toggleAllSelection(false)
     }

i18n/src/commonMain/moko-resources/base/strings.xml

@@ -726,6 +726,7 @@
     <string name="are_you_sure">Are you sure?</string>
     <string name="exclude_scanlators">Exclude scanlators</string>
     <string name="no_scanlators_found">No scanlators found</string>
+    <string name="confirm_tracker_update">Update trackers to chapter %d?</string>
 
     <!-- Tracking Screen -->
     <string name="manga_tracking_tab">Tracking</string>