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));
+    });
+  }
+}