public IActionResult OnceOff()
{
TempData["Product"] = TempData["Product"];
TempData["Price"] = TempData["Price"];
TempData["NoxID"] = TempData["NoxID"];
TempData["Name"] = TempData["Name"];
TempData.Keep();
var onceOffRequest = new PayFastRequest(this.payFastSettings.PassPhrase);
// Merchant Details
onceOffRequest.merchant_id = this.payFastSettings.MerchantId;
onceOffRequest.merchant_key = this.payFastSettings.MerchantKey;
onceOffRequest.return_url = this.payFastSettings.ReturnUrl;
onceOffRequest.cancel_url = this.payFastSettings.CancelUrl;
onceOffRequest.notify_url = this.payFastSettings.NotifyUrl;
// Buyer Details
//onceOffRequest.email_address = "*****@*****.**";
// Transaction Details
onceOffRequest.m_payment_id = repo.GenerateCustomerPaymentID((int)TempData["CustomerID"]);
onceOffRequest.amount = Convert.ToDouble(TempData["Price"]);
onceOffRequest.item_name = TempData["Product"].ToString();
onceOffRequest.item_description = "Once off payment for " + TempData["Name"] + TempData["Product"];
// Transaction Options
//onceOffRequest.email_confirmation = true;
//onceOffRequest.confirmation_address = "*****@*****.**";
StringBuilder str = new StringBuilder();
str.Append("merchant_id=" + HttpUtility.UrlEncode(onceOffRequest.merchant_id));
str.Append("&merchant_key=" + HttpUtility.UrlEncode(onceOffRequest.merchant_key));
str.Append("&return_url=" + HttpUtility.UrlEncode(onceOffRequest.return_url));
str.Append("&cancel_url=" + HttpUtility.UrlEncode(onceOffRequest.cancel_url));
str.Append("¬ify_url=" + HttpUtility.UrlEncode(onceOffRequest.notify_url));
str.Append("&m_payment_id=" + HttpUtility.UrlEncode(onceOffRequest.m_payment_id));
str.Append("&amount=" + HttpUtility.UrlEncode(onceOffRequest.amount.ToString("G", CultureInfo.InvariantCulture)));
str.Append("&item_name=" + HttpUtility.UrlEncode(onceOffRequest.item_name));
str.Append("&item_description=" + HttpUtility.UrlEncode(onceOffRequest.item_description));
var redirectUrl = $"{this.payFastSettings.ProcessUrl}{str.ToString()}";
return(Redirect(redirectUrl));
}