public ActionResult Pay()
{
OperationResult <string> result = new OperationResult <string>(true);
Stream req = Request.InputStream;
req.Seek(0, System.IO.SeekOrigin.Begin);
string json = new StreamReader(req).ReadToEnd();
Payment payment = null;
try
{
IList <Product> outOfStocks;
var orders = ConvertToOrders(json, out outOfStocks);
if (outOfStocks.Count > 0)
{
result.Succeeded = false;
result.Message = "Some Products are out of stock";
var sb = new StringBuilder("[");
var comma = "";
foreach (var p in outOfStocks)
{
sb.Append(string.Format("{0}{{\"StallName\":\"{1}\",\"ProductName\":\"{2}\",\"Stock\":{3}}}", comma, p.Stall.StallName, p.BaseName, p.Stock));
comma = ",";
}
sb.Append("]");
result.ErrorType = "OutOfStock";
result.Data = sb.ToString();
return(Json(result, JsonRequestBehavior.AllowGet));
}
using (var tran = _db.Database.BeginTransaction())
{
//calc total amnount, orderIds
decimal amount = 0.0M;
foreach (var order in orders)
{
amount += order.ChargeAmount;
}
//create payment
payment = Payment.CreatePayment(_db, amount);
if (payment == null)
{
tran.Rollback();
result.Succeeded = false;
result.Message = "fail to create payment";
return(Json(result, JsonRequestBehavior.AllowGet));
}
//create order
string orderIds = null;
foreach (var order in orders)
{
order.PaymentId = payment.Id;
order.IsPrintOrder = order.Stall.IsPrintOrder;
if (!order.Save(_db))
{
tran.Rollback();
result.Succeeded = false;
result.Message = "fail to create order";
return(Json(result, JsonRequestBehavior.AllowGet));
}
//get order id
if (string.IsNullOrEmpty(orderIds))
{
orderIds = order.Id.ToString();
}
else
{
orderIds += "," + order.Id.ToString();
}
}
//update payment
payment.OrderIds = orderIds;
payment.Save(_db);
//save
tran.Commit();
}
//return payment url
string payUrl = null;
string urlSuccess = string.Format("{0}/Customer/PxPay/{1}?paid=SUCCESS", GreenspotConfiguration.RootUrl, payment.Id);
string urlFail = string.Format("{0}/Customer/PxPay/{1}?paid=FAIL", GreenspotConfiguration.RootUrl, payment.Id);
try
{
payUrl = Accountant.GeneratePayURL(payment, urlFail, urlSuccess);
StallApplication.BizInfoFormat("[PAY]go to payment url:{0}", payUrl);
result.Data = payUrl;
}
catch (Exception ex)
{
StallApplication.SysError("[PAY]", ex);
result.Succeeded = false;
result.Message = "fail to generate payment url";
}
}
catch (Exception ex)
{
// Try and handle malformed POST body
StallApplication.SysError("[PAY]", ex);
result.Succeeded = false;
result.Message = "fail to pay";
}
return(Json(result, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// verify px payment match transaction
/// if pay success set transaction as paid
/// </summary>
/// <param name="resultId"></param>
/// <param name="isSuccess"></param>
/// <returns></returns>
public static bool VerifyPxPayPayment(string resultId, bool isSuccess, out int outPaymentId)
{
outPaymentId = 0;
try
{
//check response
StallApplication.BizInfoFormat("[ACCOUNTANT-PXPAY]start to get pxpay payment result={0}", resultId);
ResponseOutput output = _pxPay.ProcessResponse(resultId);
if (output == null)
{
StallApplication.BizError("[ACCOUNTANT-PXPAY]can not get pxpay payment result - resposne is null");
return(false);
}
if (!(isSuccess ? "1" : "0").Equals(output.Success))
{
StallApplication.BizErrorFormat("[ACCOUNTANT-PXPAY]payment result not match except {0} - actual {1}", output.Success, isSuccess);
StallApplication.BizErrorFormat("[ACCOUNTANT-PXPAY]{0}", output);
return(false);
}
//set payment
int paymentId = int.Parse(output.TxnId.Split('-')[0]);
decimal amount = decimal.Parse(output.AmountSettlement);
using (StallEntities db = new StallEntities())
{
Payment payment = db.Payments.FirstOrDefault(o => o.Id == paymentId);
if (payment == null)
{
StallApplication.BizErrorFormat("[ACCOUNTANT-PXPAY]payment {0} can not mactch payment {1}", resultId, outPaymentId);
StallApplication.BizErrorFormat("[ACCOUNTANT-PXPAY]{0}", output);
return(false);
}
payment.ResponseTime = DateTime.Now;
outPaymentId = paymentId;
bool result = true;
if (!isSuccess)
{
//pay fail
StallApplication.BizErrorFormat("[ACCOUNT-PAPAY]pay failed payment id={0}", payment.Id);
}
else
{
//pay success
if (payment.Amount != amount)
{
StallApplication.BizErrorFormat("[ACCOUNT-PAPAY]pxpay amount {0} <> transaction amount {1}", amount, payment.Amount);
result = false;
}
else
{
payment.HasPaid = true;
}
}
payment.PxPayResponse = output.ToString();
db.SaveChanges();
return(result);
}
}
catch (Exception ex)
{
StallApplication.SysError("can not get pxpay payment result", ex);
return(false);
}
}
