notifications_bloc.dart

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import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
 
import '../../../../core/error/failures.dart';
import '../../../../core/services/service_locator.dart';
import '../../domain/entities/notification_entity.dart';
import '../../domain/usecases/get_notifications_usecase.dart';
 
part 'notifications_event.dart';
part 'notifications_state.dart';
 
class NotificationsBloc extends Bloc<NotificationsEvent, NotificationsState> {
  final GetNotificationsUseCase getNotificationsUseCase = sl<GetNotificationsUseCase>();
 
  NotificationsBloc() : super(NotificationsInitial()) {
    on<LoadNotificationsEvent>(_onLoadNotifications);
  }
 
  Future<void> _onLoadNotifications(
    LoadNotificationsEvent event,
    Emitter<NotificationsState> emit,
  ) async {
    emit(NotificationsLoading());
    
    final result = await getNotificationsUseCase(
      GetNotificationsParams(
        userId: event.userId,
      ),
    );
 
    result.fold(
      (failure) => emit(NotificationsError(failure: failure)),
      (notifications) => emit(NotificationsLoaded(notifications: notifications)),
    );
  }
 
}