41 lines
1.2 KiB
Dart
41 lines
1.2 KiB
Dart
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import 'package:bloc/bloc.dart';
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import 'package:dartz/dartz.dart';
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import 'package:freezed_annotation/freezed_annotation.dart';
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import 'package:injectable/injectable.dart';
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import '../../../domain/wallet/wallet.dart';
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part 'voucher_loader_event.dart';
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part 'voucher_loader_state.dart';
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part 'voucher_loader_bloc.freezed.dart';
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/// Katalog voucher yang bisa ditukar (ยง9.1).
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@injectable
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class VoucherLoaderBloc extends Bloc<VoucherLoaderEvent, VoucherLoaderState> {
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final IVoucherRepository _repository;
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VoucherLoaderBloc(this._repository) : super(VoucherLoaderState.initial()) {
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on<VoucherLoaderEvent>(_onVoucherLoaderEvent);
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}
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Future<void> _onVoucherLoaderEvent(
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VoucherLoaderEvent event,
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Emitter<VoucherLoaderState> emit,
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) {
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return event.map(
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fetched: (e) async {
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emit(state.copyWith(isFetching: true, failureOption: none()));
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final result = await _repository.getVouchers();
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final data = result.fold(
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(f) => state.copyWith(failureOption: optionOf(f)),
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(vouchers) => state.copyWith(vouchers: vouchers, hasLoaded: true),
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);
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emit(data.copyWith(isFetching: false));
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},
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);
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}
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}
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