refactor

lib/core/theme/bloc/theme_bloc.dart

@@ -0,0 +1,27 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:flux/data/enums.dart';
+import 'package:get_it/get_it.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+part 'theme_events.dart';
+part 'theme_state.dart';
+
+class ThemeBloc extends Bloc<ThemeEvent, ThemeState> {
+  final SharedPreferences _prefs = GetIt.I.get<SharedPreferences>();
+  ThemeBloc() : super(ThemeState(currentTheme: AppThemeMode.system)) {
+    on<LoadThemeEvent>((event, emit) {
+      emit(
+        state.copyWith(
+          currentTheme: AppThemeMode.fromValue(
+            _prefs.getString(PrefKeys.theme.value),
+          ),
+        ),
+      );
+    });
+    on<ChangeThemeEvent>((event, emit) async {
+      await _prefs.setString(PrefKeys.theme.value, event.appThemeMode.value);
+      emit(state.copyWith(currentTheme: event.appThemeMode));
+    });
+  }
+}

lib/core/theme/bloc/theme_events.dart

@@ -0,0 +1,19 @@
+part of 'theme_bloc.dart';
+
+abstract class ThemeEvent extends Equatable {
+  const ThemeEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+final class LoadThemeEvent extends ThemeEvent {}
+
+final class ChangeThemeEvent extends ThemeEvent {
+  final AppThemeMode appThemeMode;
+
+  const ChangeThemeEvent(this.appThemeMode);
+
+  @override
+  List<Object> get props => [appThemeMode];
+}

lib/core/theme/bloc/theme_state.dart

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+part of 'theme_bloc.dart';
+
+class ThemeState extends Equatable {
+  const ThemeState({required this.currentTheme});
+
+  final AppThemeMode currentTheme;
+
+  @override
+  List<Object?> get props => [currentTheme];
+
+  ThemeState copyWith({AppThemeMode? currentTheme}) {
+    return ThemeState(currentTheme: currentTheme ?? this.currentTheme);
+  }
+}