Add option to disable new sources tip

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -201,6 +201,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_SOURCES_GRID, false)
 		set(value) = prefs.edit { putBoolean(KEY_SOURCES_GRID, value) }
 
+	val isNewSourcesTipEnabled: Boolean
+		get() = prefs.getBoolean(KEY_SOURCES_NEW, true)
+
 	val isPagesNumbersEnabled: Boolean
 		get() = prefs.getBoolean(KEY_PAGES_NUMBERS, false)
 
@@ -477,6 +480,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOGGING_ENABLED = "logging"
 		const val KEY_LOGS_SHARE = "logs_share"
 		const val KEY_SOURCES_GRID = "sources_grid"
+		const val KEY_SOURCES_NEW = "sources_new"
 		const val KEY_UPDATES_UNSTABLE = "updates_unstable"
 		const val KEY_TIPS_CLOSED = "tips_closed"
 		const val KEY_SSL_BYPASS = "ssl_bypass"

app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt

@@ -6,6 +6,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.db.MangaDatabase
@@ -92,19 +93,25 @@ class MangaSourcesRepository @Inject constructor(
 		}
 	}
 
-	fun observeNewSources(): Flow<Set<MangaSource>> = combine(
-		dao.observeAll(),
-		observeIsNsfwDisabled(),
-	) { entities, skipNsfw ->
-		val result = EnumSet.copyOf(remoteSources)
-		for (e in entities) {
-			result.remove(MangaSource(e.source))
-		}
-		if (skipNsfw) {
-			result.removeAll { x -> x.isNsfw() }
+	fun observeNewSources(): Flow<Set<MangaSource>> = observeIsNewSourcesEnabled().flatMapLatest {
+		if (it) {
+			combine(
+				dao.observeAll(),
+				observeIsNsfwDisabled(),
+			) { entities, skipNsfw ->
+				val result = EnumSet.copyOf(remoteSources)
+				for (e in entities) {
+					result.remove(MangaSource(e.source))
+				}
+				if (skipNsfw) {
+					result.removeAll { x -> x.isNsfw() }
+				}
+				result
+			}.distinctUntilChanged()
+		} else {
+			flowOf(emptySet())
 		}
-		result
-	}.distinctUntilChanged()
+	}
 
 	suspend fun assimilateNewSources(): Set<MangaSource> {
 		val new = getNewSources()
@@ -156,4 +163,8 @@ class MangaSourcesRepository @Inject constructor(
 	private fun observeIsNsfwDisabled() = settings.observeAsFlow(AppSettings.KEY_DISABLE_NSFW) {
 		isNsfwContentDisabled
 	}
+
+	private fun observeIsNewSourcesEnabled() = settings.observeAsFlow(AppSettings.KEY_SOURCES_NEW) {
+		isNewSourcesTipEnabled
+	}
 }

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

@@ -494,4 +494,6 @@
 	<string name="state_abandoned">Dropped</string>
 	<string name="enhanced_colors_summary">Reduces banding, but may impact performance</string>
 	<string name="enhanced_colors">32-bit color mode</string>
+	<string name="suggest_new_sources">Suggest new sources after app update</string>
+	<string name="suggest_new_sources_summary">Prompt to enable newly added sources after updating the application</string>
 </resources>

app/src/main/res/xml/pref_appearance.xml

@@ -53,6 +53,12 @@
 			android:key="sources_grid"
 			android:title="@string/show_in_grid_view" />
 
+		<SwitchPreferenceCompat
+			android:defaultValue="true"
+			android:key="sources_new"
+			android:summary="@string/suggest_new_sources_summary"
+			android:title="@string/suggest_new_sources" />
+
 	</PreferenceCategory>
 
 	<PreferenceScreen