public IActionResult SendTransfer(TransferToSend transfer)
        {
            //Step 1 Get user id
            int userId = (int)GetCurrentUserId();

            //Step 2 Subtract from Sender
            bool subtractSuccess = transferDAO.SubtractBalance(userId, transfer.Amount);

            if (!subtractSuccess)
            {
                return(StatusCode(500, "Server error subtracting balance"));
            }

            //Step 3 Add to Receiver
            bool addSuccess = transferDAO.AddBalance(transfer.To, transfer.Amount);

            if (!addSuccess)
            {
                return(StatusCode(500, "Server error adding balance"));
            }

            Transfer returnTransfer = transferDAO.LogTransfer(userId, transfer.To, transfer.Amount, transfer.Type, transfer.Status);

            if (returnTransfer == null) //if return transfer is null, the funds were exchanged, but the transfer was not added to the transfers table
            {
                return(StatusCode(500, "Server error logging transfer"));
            }

            return(Ok(returnTransfer));
        }