mapEventToState method

Implementation

@override
Stream<FastStoreBlocState> mapEventToState(
  FastStoreBlocEvent event,
) async* {
  final payload = event.payload;
  final type = event.type;
  final error = event.error;

  if (type == FastStoreBlocEventType.init) {
    if (payload is FastStoreBlocPayload) {
      yield* handleInitEvent(payload);
    }
  } else if (type == FastStoreBlocEventType.initialized) {
    yield* handleInitializedEvent();
  } else if (isInitialized) {
    if (_isStoreAvailable) {
      switch (type) {
        // Restore purchases
        case FastStoreBlocEventType.restorePurchases:
          yield* handleRestorePurchasesEvent();
        case FastStoreBlocEventType.purchaseRestored:
          if (payload is FastStoreBlocPayload) {
            yield* handlePurchasesRestoredEvent(payload);
          }
        case FastStoreBlocEventType.restorePurchasesFailed:
          yield* handleRestorePurchasesFailedEvent(error);

        // Load products
        case FastStoreBlocEventType.loadProducts:
          yield* handleLoadProductsEvent();
        case FastStoreBlocEventType.productsLoaded:
          if (payload is FastStoreBlocPayload) {
            yield* handleProductsLoadedEvent(payload);
          }
        case FastStoreBlocEventType.loadProductsFailed:
          yield* handleLoadProductsFailedEvent(error);

        // Purchase product
        case FastStoreBlocEventType.purchaseProduct:
          if (payload is FastStoreBlocPayload) {
            yield* handlePurchaseProductEvent(payload);
          }
        case FastStoreBlocEventType.purchaseProductFailed:
          yield* handlePurchaseProductFailedEvent(error);
        case FastStoreBlocEventType.productPurchased:
          if (payload is FastStoreBlocPayload) {
            yield* handleProductPurchasedEvent(payload);
          }
        case FastStoreBlocEventType.purchaseProductCanceled:
          yield* handlePurchaseProductCanceledEvent();
        default:
          assert(false, 'FastStoreBloc is not initialized yet.');
      }
    }
  } else {
    assert(false, 'FastAppInfoBloc is not initialized yet.');
  }
}