feat: language

lib/application/language/language_bloc.dart

@@ -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;
+    }
+  }
+}

lib/application/language/language_bloc.freezed.dart

@@ -0,0 +1,488 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'language_bloc.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$LanguageEvent {
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(Language language) changeLanguage,
+    required TResult Function() loadLanguage,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(Language language)? changeLanguage,
+    TResult? Function()? loadLanguage,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(Language language)? changeLanguage,
+    TResult Function()? loadLanguage,
+    required TResult orElse(),
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_ChangeLanguage value) changeLanguage,
+    required TResult Function(_LoadLanguage value) loadLanguage,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_ChangeLanguage value)? changeLanguage,
+    TResult? Function(_LoadLanguage value)? loadLanguage,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_ChangeLanguage value)? changeLanguage,
+    TResult Function(_LoadLanguage value)? loadLanguage,
+    required TResult orElse(),
+  }) => throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $LanguageEventCopyWith<$Res> {
+  factory $LanguageEventCopyWith(
+    LanguageEvent value,
+    $Res Function(LanguageEvent) then,
+  ) = _$LanguageEventCopyWithImpl<$Res, LanguageEvent>;
+}
+
+/// @nodoc
+class _$LanguageEventCopyWithImpl<$Res, $Val extends LanguageEvent>
+    implements $LanguageEventCopyWith<$Res> {
+  _$LanguageEventCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of LanguageEvent
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+abstract class _$$ChangeLanguageImplCopyWith<$Res> {
+  factory _$$ChangeLanguageImplCopyWith(
+    _$ChangeLanguageImpl value,
+    $Res Function(_$ChangeLanguageImpl) then,
+  ) = __$$ChangeLanguageImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({Language language});
+
+  $LanguageCopyWith<$Res> get language;
+}
+
+/// @nodoc
+class __$$ChangeLanguageImplCopyWithImpl<$Res>
+    extends _$LanguageEventCopyWithImpl<$Res, _$ChangeLanguageImpl>
+    implements _$$ChangeLanguageImplCopyWith<$Res> {
+  __$$ChangeLanguageImplCopyWithImpl(
+    _$ChangeLanguageImpl _value,
+    $Res Function(_$ChangeLanguageImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of LanguageEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? language = null}) {
+    return _then(
+      _$ChangeLanguageImpl(
+        null == language
+            ? _value.language
+            : language // ignore: cast_nullable_to_non_nullable
+                  as Language,
+      ),
+    );
+  }
+
+  /// Create a copy of LanguageEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $LanguageCopyWith<$Res> get language {
+    return $LanguageCopyWith<$Res>(_value.language, (value) {
+      return _then(_value.copyWith(language: value));
+    });
+  }
+}
+
+/// @nodoc
+
+class _$ChangeLanguageImpl implements _ChangeLanguage {
+  const _$ChangeLanguageImpl(this.language);
+
+  @override
+  final Language language;
+
+  @override
+  String toString() {
+    return 'LanguageEvent.changeLanguage(language: $language)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ChangeLanguageImpl &&
+            (identical(other.language, language) ||
+                other.language == language));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, language);
+
+  /// Create a copy of LanguageEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ChangeLanguageImplCopyWith<_$ChangeLanguageImpl> get copyWith =>
+      __$$ChangeLanguageImplCopyWithImpl<_$ChangeLanguageImpl>(
+        this,
+        _$identity,
+      );
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(Language language) changeLanguage,
+    required TResult Function() loadLanguage,
+  }) {
+    return changeLanguage(language);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(Language language)? changeLanguage,
+    TResult? Function()? loadLanguage,
+  }) {
+    return changeLanguage?.call(language);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(Language language)? changeLanguage,
+    TResult Function()? loadLanguage,
+    required TResult orElse(),
+  }) {
+    if (changeLanguage != null) {
+      return changeLanguage(language);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_ChangeLanguage value) changeLanguage,
+    required TResult Function(_LoadLanguage value) loadLanguage,
+  }) {
+    return changeLanguage(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_ChangeLanguage value)? changeLanguage,
+    TResult? Function(_LoadLanguage value)? loadLanguage,
+  }) {
+    return changeLanguage?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_ChangeLanguage value)? changeLanguage,
+    TResult Function(_LoadLanguage value)? loadLanguage,
+    required TResult orElse(),
+  }) {
+    if (changeLanguage != null) {
+      return changeLanguage(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _ChangeLanguage implements LanguageEvent {
+  const factory _ChangeLanguage(final Language language) = _$ChangeLanguageImpl;
+
+  Language get language;
+
+  /// Create a copy of LanguageEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ChangeLanguageImplCopyWith<_$ChangeLanguageImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class _$$LoadLanguageImplCopyWith<$Res> {
+  factory _$$LoadLanguageImplCopyWith(
+    _$LoadLanguageImpl value,
+    $Res Function(_$LoadLanguageImpl) then,
+  ) = __$$LoadLanguageImplCopyWithImpl<$Res>;
+}
+
+/// @nodoc
+class __$$LoadLanguageImplCopyWithImpl<$Res>
+    extends _$LanguageEventCopyWithImpl<$Res, _$LoadLanguageImpl>
+    implements _$$LoadLanguageImplCopyWith<$Res> {
+  __$$LoadLanguageImplCopyWithImpl(
+    _$LoadLanguageImpl _value,
+    $Res Function(_$LoadLanguageImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of LanguageEvent
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+
+class _$LoadLanguageImpl implements _LoadLanguage {
+  const _$LoadLanguageImpl();
+
+  @override
+  String toString() {
+    return 'LanguageEvent.loadLanguage()';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType && other is _$LoadLanguageImpl);
+  }
+
+  @override
+  int get hashCode => runtimeType.hashCode;
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(Language language) changeLanguage,
+    required TResult Function() loadLanguage,
+  }) {
+    return loadLanguage();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(Language language)? changeLanguage,
+    TResult? Function()? loadLanguage,
+  }) {
+    return loadLanguage?.call();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(Language language)? changeLanguage,
+    TResult Function()? loadLanguage,
+    required TResult orElse(),
+  }) {
+    if (loadLanguage != null) {
+      return loadLanguage();
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_ChangeLanguage value) changeLanguage,
+    required TResult Function(_LoadLanguage value) loadLanguage,
+  }) {
+    return loadLanguage(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_ChangeLanguage value)? changeLanguage,
+    TResult? Function(_LoadLanguage value)? loadLanguage,
+  }) {
+    return loadLanguage?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_ChangeLanguage value)? changeLanguage,
+    TResult Function(_LoadLanguage value)? loadLanguage,
+    required TResult orElse(),
+  }) {
+    if (loadLanguage != null) {
+      return loadLanguage(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _LoadLanguage implements LanguageEvent {
+  const factory _LoadLanguage() = _$LoadLanguageImpl;
+}
+
+/// @nodoc
+mixin _$LanguageState {
+  Language get language => throw _privateConstructorUsedError;
+
+  /// Create a copy of LanguageState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $LanguageStateCopyWith<LanguageState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $LanguageStateCopyWith<$Res> {
+  factory $LanguageStateCopyWith(
+    LanguageState value,
+    $Res Function(LanguageState) then,
+  ) = _$LanguageStateCopyWithImpl<$Res, LanguageState>;
+  @useResult
+  $Res call({Language language});
+
+  $LanguageCopyWith<$Res> get language;
+}
+
+/// @nodoc
+class _$LanguageStateCopyWithImpl<$Res, $Val extends LanguageState>
+    implements $LanguageStateCopyWith<$Res> {
+  _$LanguageStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of LanguageState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? language = null}) {
+    return _then(
+      _value.copyWith(
+            language: null == language
+                ? _value.language
+                : language // ignore: cast_nullable_to_non_nullable
+                      as Language,
+          )
+          as $Val,
+    );
+  }
+
+  /// Create a copy of LanguageState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $LanguageCopyWith<$Res> get language {
+    return $LanguageCopyWith<$Res>(_value.language, (value) {
+      return _then(_value.copyWith(language: value) as $Val);
+    });
+  }
+}
+
+/// @nodoc
+abstract class _$$LanguageStateImplCopyWith<$Res>
+    implements $LanguageStateCopyWith<$Res> {
+  factory _$$LanguageStateImplCopyWith(
+    _$LanguageStateImpl value,
+    $Res Function(_$LanguageStateImpl) then,
+  ) = __$$LanguageStateImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({Language language});
+
+  @override
+  $LanguageCopyWith<$Res> get language;
+}
+
+/// @nodoc
+class __$$LanguageStateImplCopyWithImpl<$Res>
+    extends _$LanguageStateCopyWithImpl<$Res, _$LanguageStateImpl>
+    implements _$$LanguageStateImplCopyWith<$Res> {
+  __$$LanguageStateImplCopyWithImpl(
+    _$LanguageStateImpl _value,
+    $Res Function(_$LanguageStateImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of LanguageState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? language = null}) {
+    return _then(
+      _$LanguageStateImpl(
+        language: null == language
+            ? _value.language
+            : language // ignore: cast_nullable_to_non_nullable
+                  as Language,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$LanguageStateImpl implements _LanguageState {
+  const _$LanguageStateImpl({required this.language});
+
+  @override
+  final Language language;
+
+  @override
+  String toString() {
+    return 'LanguageState(language: $language)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$LanguageStateImpl &&
+            (identical(other.language, language) ||
+                other.language == language));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, language);
+
+  /// Create a copy of LanguageState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$LanguageStateImplCopyWith<_$LanguageStateImpl> get copyWith =>
+      __$$LanguageStateImplCopyWithImpl<_$LanguageStateImpl>(this, _$identity);
+}
+
+abstract class _LanguageState implements LanguageState {
+  const factory _LanguageState({required final Language language}) =
+      _$LanguageStateImpl;
+
+  @override
+  Language get language;
+
+  /// Create a copy of LanguageState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$LanguageStateImplCopyWith<_$LanguageStateImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/application/language/language_event.dart

@@ -0,0 +1,8 @@
+part of 'language_bloc.dart';
+
+@freezed
+class LanguageEvent with _$LanguageEvent {
+  const factory LanguageEvent.changeLanguage(Language language) =
+      _ChangeLanguage;
+  const factory LanguageEvent.loadLanguage() = _LoadLanguage;
+}

lib/application/language/language_state.dart

@@ -0,0 +1,9 @@
+part of 'language_bloc.dart';
+
+@freezed
+abstract class LanguageState with _$LanguageState {
+  const factory LanguageState({required Language language}) = _LanguageState;
+
+  factory LanguageState.initial() =>
+      LanguageState(language: Language.indonesian());
+}