public async Task <string> ProcessCardcomTransaction()
{
#region ### IPN Parameters ###
/*
* GET https://localhost:44373/Purchase/ProcessCardcomTransaction?terminalnumber=1000&lowprofilecode=2467a885-1f97-40d5-8b5f-42222ce64c80&Operation=2&DealRespone=0&DealResponse=0&TokenResponse=0&InvoiceResponseCode=0&OperationResponse=0&OperationResponseText=OK&ReturnValue=39.90%7c3%7c1%7c98F41F8F-6F6C-4A0A-A7D4-D719A41A6BD7
*
* ---
*
* terminalnumber=1000
* lowprofilecode=2467a885-1f97-40d5-8b5f-42222ce64c80
* Operation=2
* DealResponse=0
* TokenResponse=0
* InvoiceResponseCode=0
* OperationResponse=0
* OperationResponseText=OK
* ReturnValue=39.90|3|1|98F41F8F-6F6C-4A0A-A7D4-D719A41A6BD7
*/
#endregion
var step = 0;
var transaction = new Entities.Transaction();
var httpResult = "";
var transactionsBLL = new TransactionsBLL();
var ordersBLL = new OrdersBLL();
try
{
LoggerSingleton.Instance.Info("Cardcom", "Process-Transaction", new List <string> {
$"QueryString: {Request.QueryString}"
});
step = 1;
var cardcomManager = new CardcomManager(ConfigSingleton.Instance.CardcomTerminal, ConfigSingleton.Instance.CardcomUserName);
step = 2;
// Collect basic details
transaction.Raw = Request.QueryString?.ToString();
transaction.Code = Request.QueryString["lowprofilecode"];
transaction.StatusCode = Convert.ToInt32(Request.QueryString["OperationResponse"]);
transaction.StatusCodeCard = Convert.ToInt32(Request.QueryString["DealResponse"]);
step = 3;
if (transaction.StatusCode != 0)
{
throw new Exception($"[StatusCode Error] StatusCode {transaction.StatusCode} ({transaction.Code})");
}
step = 4;
// Collect extra details
var detailsResponse = cardcomManager.GetTransactionDetails(transaction.Code);
transaction.StatusCodeDetails = Convert.ToInt32(detailsResponse.Details["ResponseCode"]);
transaction.RawDetails = detailsResponse.Raw;
step = 5;
// add invoice details
transaction.InvoiceStatusCode = Convert.ToInt32(detailsResponse.Details["InvoiceResponseCode"]);
transaction.InvoiceNumber = detailsResponse.Details["InvoiceNumber"] ?? "";
transaction.InvoiceType = Convert.ToInt32(detailsResponse.Details["InvoiceType"] ?? "0");
step = 6;
if (transaction.StatusCodeDetails != 0)
{
throw new Exception($"[StatusCode Error] StatusCodeDetails {transaction.StatusCodeDetails} ({transaction.Code})");
}
step = 7;
transaction.CardOwnerId = detailsResponse.Details["CardOwnerID"] ?? "";
// fix format > MM (e.g: 7 to 07)
var CardValidityMonth = detailsResponse.Details["CardValidityMonth"] ?? "";
if (CardValidityMonth.Length == 1)
{
CardValidityMonth = $"0{CardValidityMonth}";
}
transaction.CardExpiry = $"{detailsResponse.Details["CardValidityYear"] ?? ""}{CardValidityMonth}";
transaction.CardSuffix = detailsResponse.Details["ExtShvaParams.CardNumber5"] ?? "";
transaction.NumOfPayments = Convert.ToInt32(detailsResponse.Details["NumOfPayments"] ?? "1");
step = 8;
// load ReturnValue field > extract order-id
var returnValue = detailsResponse.Details["ReturnValue"].Trim();
var orderId = Convert.ToInt32(returnValue);
step = 9;
// load related order
var order = await ordersBLL.Get(orderId);
step = 10;
// Collect custom details
transaction.Price = order.Total;
transaction.OrderId = order.Details.Id;
step = 11;
// update Order Status
order.Details.Status = Entities.eOrderStatus.APPROVED;
order.Details.IsPaid = true;
var orderUpdated = await ordersBLL.SaveDetails(order.Details) > 0;
if (!orderUpdated)
{
LoggerSingleton.Instance.Info("Cardcom", "Save Order Details Failed", new List <string> {
$"#{orderId}", "Status: APPROVED", $"Code: {transaction.Code}"
});
}
step = 12;
// send sms
if (orderUpdated)
{
SMSManager.OrderStatusChanged(order);
}
step = 13;
httpResult = "OK";
}
catch (Exception ex)
{
ex.Data.Add("step", step);
ex.Data.Add("Method", "ProcessCardcomTransaction");
LoggerSingleton.Instance.Error("Cardcom", ex);
httpResult = ex.Message;
}
try {
// add a transaction
var transactionId = await transactionsBLL.Create(transaction);
if (transactionId <= 0)
{
throw new Exception($"Error while trying to save an incoming transaction ({transaction.Code})");
}
}
catch (Exception ex)
{
ex.Data.Add("Action", "CreateTransaction");
ex.Data.Add("Method", "ProcessCardcomTransaction");
LoggerSingleton.Instance.Error("Cardcom", ex);
httpResult = ex.Message;
}
Response.StatusCode = httpResult == "OK" ? (int)HttpStatusCode.OK : (int)HttpStatusCode.InternalServerError;
return(httpResult);
}
