51 lines
1.4 KiB
Dart
51 lines
1.4 KiB
Dart
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:freezed_annotation/freezed_annotation.dart';
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import 'package:injectable/injectable.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../common/constant/local_storage_key.dart';
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import '../../domain/language/language.dart';
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import '../../infrastructure/language/language.dart';
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part 'language_event.dart';
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part 'language_state.dart';
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part 'language_bloc.freezed.dart';
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@injectable
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class LanguageBloc extends Bloc<LanguageEvent, LanguageState> {
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final SharedPreferences _prefs;
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LanguageBloc(this._prefs) : super(LanguageState.initial()) {
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on<LanguageEvent>(_onLanguageEvent);
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}
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Future<void> _onLanguageEvent(
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LanguageEvent event,
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Emitter<LanguageState> emit,
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) async {
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switch (event) {
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case _ChangeLanguage(:final language):
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await _prefs.setString(
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LocalStorageKey.lang,
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language.locale.languageCode,
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);
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emit(state.copyWith(language: language));
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break;
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case _LoadLanguage():
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final selectedLanguage = _prefs.getString(LocalStorageKey.lang);
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final lang = languages.firstWhere(
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(item) => item.locale.languageCode == selectedLanguage,
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orElse: () => Language.indonesian(),
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);
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emit(
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state.copyWith(
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language: selectedLanguage != null ? lang : Language.indonesian(),
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),
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);
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break;
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}
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}
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}
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