public static IEnumerable <KeyValuePair <string, string> > AsEnumerable(this QueryOrderResult model)
{
return(new Dictionary <string, string>
{
["Result"] = model.Result,
["Message"] = model.Message,
["AppId"] = model.AppId,
["OrderId"] = model.OrderId,
["Status"] = model.Status,
["NonceStr"] = model.NonceStr,
["LastUpdated"] = model.LastUpdated
}.AsEnumerable());
}
public async Task <IActionResult> Index(Guid id)
{
System.Console.WriteLine($"Id:{id}");
var order = await context.Orders.SingleOrDefaultAsync(x => x.Id == id);
if (order == null)
{
throw new Exception("No order found.");
}
if (order.Status != OrderStatus.Preparing)
{
//throw new Exception("Order has been processed.");
return(RedirectToAction("Result", "Payment", new { Id = id }));
}
try
{
var receipt = await paymentService.PlaceNativeOrder(order.Description, order.OrderId, order.Amount, "http://pay.gz-eport.com/WxPay/WxPayCallback");
order.Channel = "wxpay";
order.DateIssued = DateTime.Now;
ViewBag.Url = receipt.QRCodeUrl;
ViewBag.Id = id;
await context.SaveChangesAsync();
return(View());
}
catch (WxPayLib.WxPayBusinessException ex)
{
if (ex.ErrorCode == "ORDERPAID")
{
// Order paid, but server hasn't received callback yet.
// So explicitly query order status.
var status = await paymentService.QueryOrder(order.ChannelOrderId, order.OrderId);
UpdateOrderStatus(status, ref order);
await context.SaveChangesAsync();
return(RedirectToAction("Result", "Payment", new { Id = order.Id }));
}
else
{
if (order.NotifyUrl != null)
{
// TODO: 微信报告订单号重复
var result = new GZCDCPay.Models.QueryOrderResult()
{
Result = "FAIL",
Message = ex.ErrorCode,
AppId = order.AppId,
OrderId = order.OrderId,
NonceStr = signatureService.GenerateNonceStr(),
LastUpdated = DateTime.Now.ToUniversalTime().AddHours(8).ToString("yyyyMMddHHmmss")
};
result.Signature = signatureService.CalculateSignature(result.AsEnumerable(), order.AppId);
// ********** this should enqueue, but not send immediately
await notifyService.NotifyAsync(order.NotifyUrl, result);
// *********
}
order.Status = OrderStatus.Errored;
context.SaveChanges();
return(RedirectToAction("Result", "Payment", new { Id = order.Id }));
}
}
}