internal ServiceResult updateAuctionBid(string email, decimal bid)
        {
            ABUser user = _abUserRepository.FindBy(x => x.Email.ToString() == email).FirstOrDefault();

            if (user != null && user.Role.UserRoleName.ToString() == "BIDDER")
            {
                Auction auctionResult = _auctionRepository.FindBy(x => x.AuctionGUID == user.ABUser_AuctionGUID).FirstOrDefault();
                if (auctionResult.Auction_BidGUID == null)
                {
                    if (bid > auctionResult.StartingBid &&
                        bid < user.Money)
                    {
                        Bid b = createNewBid(user, auctionResult, bid);
                        _bidRepository.Add(b);
                        auctionResult.Auction_BidGUID = b.BidGUID;
                        _unitOfWork.Commit();
                        return(new ServiceResult()
                        {
                            Success = true
                        });
                    }
                }
                else
                {
                    if (bid > auctionResult.CurrentBid.BidPlaced &&
                        bid < user.Money)
                    {
                        Bid    pBid    = _bidRepository.FindBy(x => x.Bid_AuctionGUID == auctionResult.AuctionGUID).FirstOrDefault();
                        ABUser pBidder = _abUserRepository.FindBy(x => x.ABUserGUID == pBid.Bid_ABUserGUID).FirstOrDefault();
                        Bid    b       = createNewBid(user, auctionResult, bid);
                        _bidRepository.Add(b);
                        auctionResult.Auction_BidGUID = b.BidGUID;
                        _unitOfWork.Commit();
                        SendEmail(pBidder);

                        return(new ServiceResult()
                        {
                            Success = true
                        });
                    }
                }
            }

            return(new ServiceResult()
            {
                ErrorMessage = "New bid could not be submitted.",
                Success = false
            });
        }