feat: language

2025-08-13 01:17:00 +07:00
parent 3d43d7a934
commit 83edfa61f1
29 changed files with 1539 additions and 156 deletions
@@ -0,0 +1,50 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:injectable/injectable.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../../common/constant/local_storage_key.dart';
+import '../../domain/language/language.dart';
+import '../../infrastructure/language/language.dart';
+
+part 'language_event.dart';
+part 'language_state.dart';
+part 'language_bloc.freezed.dart';
+
+@injectable
+class LanguageBloc extends Bloc<LanguageEvent, LanguageState> {
+  final SharedPreferences _prefs;
+  LanguageBloc(this._prefs) : super(LanguageState.initial()) {
+    on<LanguageEvent>(_onLanguageEvent);
+  }
+
+  Future<void> _onLanguageEvent(
+    LanguageEvent event,
+    Emitter<LanguageState> emit,
+  ) async {
+    switch (event) {
+      case _ChangeLanguage(:final language):
+        await _prefs.setString(
+          LocalStorageKey.lang,
+          language.locale.languageCode,
+        );
+        emit(state.copyWith(language: language));
+        break;
+
+      case _LoadLanguage():
+        final selectedLanguage = _prefs.getString(LocalStorageKey.lang);
+
+        final lang = languages.firstWhere(
+          (item) => item.locale.languageCode == selectedLanguage,
+          orElse: () => Language.indonesian(),
+        );
+
+        emit(
+          state.copyWith(
+            language: selectedLanguage != null ? lang : Language.indonesian(),
+          ),
+        );
+        break;
+    }
+  }
+}