public async Task <bool> AcceptAuction(string auctionId, string offerId)
{
var currentUserId = httpContextReader.CurrentUserId ??
throw new AuthException(ErrorMessages.NotAuthenticatedMessage);
var offerAuction =
await unitOfWork.OfferAuctionRepository.Find(a => a.Id == auctionId && a.OfferId == offerId)
?? throw new EntityNotFoundException("Auction not found");
if (!OfferAllowBiddingSpecification.Create().IsSatisfied(offerAuction.Offer))
{
throw new NoPermissionsException("You are not allowed to perform this action");
}
if (OfferBookedSpecification.Create().IsSatisfied(offerAuction.Offer))
{
throw new ServerException("Offer is currently booked");
}
if (OfferAuctionAcceptedSpecification.Create().IsSatisfied(offerAuction))
{
throw new ServerException("Offer auction is already accepted");
}
offerAuctionValidationService.ValidateOwnerPermissions(offerAuction.Offer.OwnerId, currentUserId);
offerAuction.Update(isAccepted: true);
offerAuction.Offer.SetPrice(offerAuction.NewPrice);
unitOfWork.OfferAuctionRepository.Update(offerAuction);
unitOfWork.OfferRepository.Update(offerAuction.Offer);
return(await unitOfWork.Complete());
}
public async Task <OfferAuction> CreateAuction(decimal newPrice, string offerId)
{
var currentUserId = httpContextReader.CurrentUserId ??
throw new AuthException(ErrorMessages.NotAuthenticatedMessage);
var offer = await unitOfWork.OfferRepository.Get(offerId) ??
throw new EntityNotFoundException("Offer not found");
if (!OfferAllowBiddingSpecification.Create().IsSatisfied(offer))
{
throw new NoPermissionsException("You are not allowed to perform this action");
}
if (OfferBookedSpecification.Create().IsSatisfied(offer))
{
throw new ServerException("Offer is currently booked");
}
if (OfferTheLowestPriceSpecification.Create().IsSatisfied(offer))
{
throw new ServerException("Current price is minimum allowed price");
}
if (currentUserId == offer.OwnerId)
{
throw new NoPermissionsException(ErrorMessages.NotAllowedMessage);
}
offerAuctionValidationService.ValidateNewPrice(newPrice, offer.Price);
if (offer.OfferAuction != null)
{
if (!OfferAuctionAcceptedSpecification.Create().IsSatisfied(offer.OfferAuction))
{
throw new ServerException("Auction is currently waiting for offer owner response");
}
offer.OfferAuction.Update(newPrice: newPrice);
unitOfWork.OfferAuctionRepository.Update(offer.OfferAuction);
return(await unitOfWork.Complete()
? offer.OfferAuction
: throw new ServerException("Updating offer auction failed"));
}
var offerAuction = OfferAuction.Create(newPrice, offer.Id);
unitOfWork.OfferAuctionRepository.Add(offerAuction);
return(await unitOfWork.Complete()
? offerAuction
: throw new ServerException("Creating offer auction failed"));
}