public async Task <GetOfferBasicInfoResponse> GetOfferBasicInfo(
GetOfferBasicInfoRequest request, CallContext context = default)
{
var offer = await _offerRepository.GetByIdAsync(request.OfferId);
if (offer == null)
{
return(new GetOfferBasicInfoResponse());
}
var offerDto = new OfferDto
{
Id = offer.Id,
Name = offer.Name,
OwnerId = offer.OwnerId,
AvailableStock = offer.AvailableStock,
Price = offer.Price,
Images = offer.Images?.Select(img => new ImageDto
{
Id = img.Id,
Uri = img.Uri,
IsMain = img.IsMain
}) ?? new List <ImageDto>(),
IsActive = offer.IsActive
};
return(new GetOfferBasicInfoResponse {
Offer = offerDto
});
}
public async Task <CartItemDto> Handle(AddToCartCommand request, CancellationToken cancellationToken)
{
var offerId = Guid.Parse(request.OfferId);
var offersServiceClient = _offersServiceClientFactory.Create(_endpointsConfig.Offers.Grpc.ToString());
var grpcRequest = new GetOfferBasicInfoRequest {
OfferId = offerId
};
var grpcResponse = await offersServiceClient.GetOfferBasicInfo(grpcRequest);
var offer = grpcResponse.Offer;
if (!offer.IsActive)
{
throw new CartsDomainException("Offer is not active");
}
if (request.Quantity > offer.AvailableStock)
{
throw new CartsDomainException($"Quantity out of range. AvailableStock for offer {offer.Id} is {offer.AvailableStock}");
}
var userId = _httpContext.User.Claims.ToTokenPayload().UserClaims.Id;
if (userId == offer.OwnerId)
{
throw new CartsDomainException("Buying from himself/herself is illegal");
}
var cart = await _cartRepository.GetOrCreateByUserIdAsync(userId);
var imageUri = offer.Images.FirstOrDefault(x => x.IsMain)?.Uri;
var cartItem = new CartItem(cart.Id, cart.UserId, Guid.Parse(request.OfferId), offer.OwnerId,
offer.Name, offer.Price, request.Quantity, offer.AvailableStock, imageUri);
cart.AddCartItem(cartItem);
_cartRepository.Update(cart);
await _cartRepository.UnitOfWork.SaveChangesAndDispatchDomainEventsAsync(cancellationToken);
_logger.LogWithProps(LogLevel.Debug, "Offer added to cart",
"OfferId".ToKvp(request.OfferId),
"CartId".ToKvp(cart.Id),
"CartItemId".ToKvp(cartItem.Id));
return(cartItem.ToDto());
}