Add option to reset viewer flags (#7062)

* Add option to reset viewer flags

* Review Changes

* Run `resetViewerFlags()` content with `launchIO`

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

@@ -3,7 +3,9 @@ package eu.kanade.data.manga
 import eu.kanade.data.DatabaseHandler
 import eu.kanade.domain.manga.model.Manga
 import eu.kanade.domain.manga.repository.MangaRepository
+import eu.kanade.tachiyomi.util.system.logcat
 import kotlinx.coroutines.flow.Flow
+import logcat.LogPriority
 
 class MangaRepositoryImpl(
     private val databaseHandler: DatabaseHandler,
@@ -12,4 +14,14 @@ class MangaRepositoryImpl(
     override fun getFavoritesBySourceId(sourceId: Long): Flow<List<Manga>> {
         return databaseHandler.subscribeToList { mangasQueries.getFavoriteBySourceId(sourceId, mangaMapper) }
     }
+
+    override suspend fun resetViewerFlags(): Boolean {
+        return try {
+            databaseHandler.await { mangasQueries.resetViewerFlags() }
+            true
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            false
+        }
+    }
 }