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be_happy_public/lib/presentation/viewmodel/susbcription_details_bloc.dart
2026-05-29 11:40:55 +03:00

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import 'package:be_happy/core/result.dart';
import 'package:be_happy/domain/entities/subscription.dart';
import 'package:be_happy/domain/usecase/activate_subscription_usecase.dart';
import 'package:be_happy/domain/usecase/get_subscription_by_id_usecase.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../domain/entities/client_subscription.dart';
import '../../domain/usecase/get_client_subscriptions_usecase.dart';
import '../event/subscription_details_event.dart';
import '../state/susbcription_details_state.dart';
class SubscriptionDetailsBloc
extends Bloc<SubscriptionDetailsEvent, SubscriptionDetailsState> {
final GetSubscriptionByIdUsecase getSubscriptionByIdUsecase;
final ActivateSubscriptionUsecase activateSubscriptionUsecase;
final GetClientSubscriptionsUsecase getClientSubscriptionsUsecase;
SubscriptionDetailsBloc(
this.getSubscriptionByIdUsecase,
this.activateSubscriptionUsecase,
this.getClientSubscriptionsUsecase,
) : super(DetailsLoading()) {
on<LoadDetailsEvent>((event, emit) async {
emit(DetailsLoading());
try {
final result = await getSubscriptionByIdUsecase(event.subscriptionId);
final clientSubsResult = await getClientSubscriptionsUsecase();
bool isPurchased = false;
switch (clientSubsResult) {
case Success<List<ClientSubscription>>():
isPurchased = clientSubsResult.data?.any(
(element) => element.subscriptionId == event.subscriptionId,
) ?? false;
break;
case Failure<List<ClientSubscription>>():
isPurchased = false;
break;
}
switch (result) {
case Success<Subscription>():
final sub = result.data;
if (sub == null) return;
emit(
DetailsContentState(
subscription: sub,
selectedPeriod: sub.options.first,
isAlreadyPurchased: isPurchased,
),
);
break;
case Failure<Subscription>():
emit(DetailsError("Ошибка при запросе данных"));
break;
}
} catch (e) {
emit(DetailsError("Не удалось загрузить данные"));
}
});
on<SelectPeriodEvent>((event, emit) {
if (state is DetailsContentState) {
emit(
(state as DetailsContentState).copyWith(selectedPeriod: event.period),
);
}
});
on<ToggleAgreementEvent>((event, emit) {
if (state is DetailsContentState) {
emit((state as DetailsContentState).copyWith(isAgreed: event.value));
}
});
on<ActivateSubscriptionPressed>((event, emit) async {
switch (state) {
case DetailsContentState contentState:
if (!contentState.isAgreed) {
return;
}
final result = await activateSubscriptionUsecase(contentState.selectedPeriod.id);
if (result is Success) {
emit(contentState.copyWith(isSuccess: true));
} else {
}
break;
default:
break;
}
});
}
}