public async Task <IEnumerable <RaiseDto> > GetRaisesForAuction(int id)
        {
            var auction = await AuctionFacade.GetAuctionById(id);

            if (auction == null)
            {
                throw new HttpResponseException(HttpStatusCode.NotFound);
            }
            var raises = await AuctionFacade.GetRaisesForAuction(auction);

            foreach (var raise in raises)
            {
                raise.Id = 0;
            }
            return(raises);
        }
        public async Task <IEnumerable <ItemDto> > GetItemsForAuction(int id)
        {
            var auction = await AuctionFacade.GetAuctionById(id);

            if (auction == null)
            {
                throw new HttpResponseException(HttpStatusCode.NotFound);
            }
            var items = await AuctionFacade.GetItemsForAuction(auction);

            foreach (var item in items)
            {
                item.Id = 0;
            }
            return(items);
        }