collection_requests_history_bloc.dart

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import 'package:bloc/bloc.dart';
 
import '../../../../../core/errors/failures.dart';
import '../../../../../core/utils/collections_utils.dart';
import '../../../domain/entities/collection_entity.dart';
import '../../../domain/use_cases/load_completed_collections_requests_usecase.dart';
import '../../../domain/use_cases/load_ongoing_collection_requests.dart';
 
part 'collection_requests_history_event.dart';
part 'collection_requests_history_state.dart';
 
class CollectionRequestsHistoryBloc extends Bloc<CollectionRequestsHistoryEvent,
    CollectionRequestsHistoryState> {
  final LoadOnGoingCollectionRequestsUseCase loadOnGoingCollectionUseCase;
  final LoadCompletedCollectionRequestsUseCase loadCompletedCollectionsUseCase;
 
  CollectionRequestsHistoryBloc({
    required this.loadCompletedCollectionsUseCase,
    required this.loadOnGoingCollectionUseCase,
  }) : super(CollectionRequestsHistoryInitial()) {
    on<LoadOnGoingCollectionRequestsEvent>(
      _onLoadOnGoingCollectionRequestsEvent,
    );
    on<LoadCompletedCollectionRequestsEvent>(
      _onLoadCompletedCollectionRequestsEvent,
    );
  }
 
  Future<void> _onLoadOnGoingCollectionRequestsEvent(
    LoadOnGoingCollectionRequestsEvent event,
    Emitter<CollectionRequestsHistoryState> emit,
  ) async {
    emit(LoadingOnGoingCollectionRequestsState());
    final results = await loadOnGoingCollectionUseCase.call(event.partnerId);
    await Future.delayed(const Duration(milliseconds: 300));
    results.fold(
        (failure) =>
            emit(LoadOnGoingCollectionRequestsFailure(failure: failure)),
        (collection) =>
            emit(OnGoingCollectionRequestsLoaded(collections: collection)));
  }
 
  Future<void> _onLoadCompletedCollectionRequestsEvent(
    LoadCompletedCollectionRequestsEvent event,
    Emitter<CollectionRequestsHistoryState> emit,
  ) async {
    emit(LoadingCompletedCollectionRequests());
    final results = await loadCompletedCollectionsUseCase.call(
      event.partnerId!,
    );
    results.fold(
      (failure) => emit(
        LoadCompletedCollectionRequestsFailure(failure: failure),
      ),
      (collections) => emit(
        CompletedCollectionRequestsLoaded(collections: collections),
      ),
    );
  }
}