initial

lib/core/locale/locale_controller.dart

@@ -0,0 +1,24 @@
+import 'package:hiddify/core/locale/locale_pref.dart';
+import 'package:hiddify/data/data_providers.dart';
+import 'package:hiddify/utils/utils.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+part 'locale_controller.g.dart';
+
+@Riverpod(keepAlive: true)
+class LocaleController extends _$LocaleController with AppLogger {
+  @override
+  LocalePref build() {
+    return LocalePref.values[_prefs.getInt(_localeKey) ?? 0];
+  }
+
+  static const _localeKey = 'locale';
+  SharedPreferences get _prefs => ref.read(sharedPreferencesProvider);
+
+  Future<void> change(LocalePref locale) async {
+    loggy.debug('changing locale to [$locale]');
+    await _prefs.setInt(_localeKey, locale.index);
+    state = locale;
+  }
+}