Remember search mode

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

@@ -150,6 +150,10 @@ class AppSettings(context: Context) {
 	val isSuggestionsExcludeNsfw: Boolean
 		get() = prefs.getBoolean(KEY_SUGGESTIONS_EXCLUDE_NSFW, false)
 
+	var isSearchSingleSource: Boolean
+		get() = prefs.getBoolean(KEY_SEARCH_SINGLE_SOURCE, false)
+		set(value) = prefs.edit { putBoolean(KEY_SEARCH_SINGLE_SOURCE, value) }
+
 	fun isPagesPreloadAllowed(cm: ConnectivityManager): Boolean {
 		return when (prefs.getString(KEY_PAGES_PRELOAD, null)?.toIntOrNull()) {
 			NETWORK_ALWAYS -> true
@@ -247,6 +251,7 @@ class AppSettings(context: Context) {
 		const val KEY_PAGES_PRELOAD = "pages_preload"
 		const val KEY_SUGGESTIONS = "suggestions"
 		const val KEY_SUGGESTIONS_EXCLUDE_NSFW = "suggestions_exclude_nsfw"
+		const val KEY_SEARCH_SINGLE_SOURCE = "search_single_source"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

app/src/main/java/org/koitharu/kotatsu/search/SearchModule.kt

@@ -23,5 +23,5 @@ val searchModule
 		viewModel { query ->
 			GlobalSearchViewModel(query.get(), get(), get())
 		}
-		viewModel { SearchSuggestionViewModel(get()) }
+		viewModel { SearchSuggestionViewModel(get(), get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/search/ui/suggestion/SearchSuggestionViewModel.kt

@@ -6,6 +6,7 @@ import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.*
 import org.koitharu.kotatsu.base.ui.BaseViewModel
 import org.koitharu.kotatsu.base.ui.widgets.ChipsView
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.search.domain.MangaSearchRepository
@@ -18,17 +19,21 @@ private const val MAX_TAGS_ITEMS = 8
 
 class SearchSuggestionViewModel(
 	private val repository: MangaSearchRepository,
+	private val settings: AppSettings,
 ) : BaseViewModel() {
 
 	private val query = MutableStateFlow("")
 	private val source = MutableStateFlow<MangaSource?>(null)
-	private val isLocalSearch = MutableStateFlow(false)
+	private val isLocalSearch = MutableStateFlow(settings.isSearchSingleSource)
 	private var suggestionJob: Job? = null
 
 	val suggestion = MutableLiveData<List<SearchSuggestionItem>>()
 
 	init {
 		setupSuggestion()
+		isLocalSearch.onEach {
+			settings.isSearchSingleSource = it
+		}.launchIn(viewModelScope)
 	}
 
 	fun onQueryChanged(newQuery: String) {