public async Task <IActionResult> ProcessNextPayment(string id)
{
var payment = await _orderService.GetRecurringPaymentById(id);
if (payment == null)
{
//No recurring payment found with the specified id
return(RedirectToAction("List"));
}
try
{
await _orderRecurringPayment.ProcessNextRecurringPayment(payment);
var model = new RecurringPaymentModel();
await PrepareRecurringPaymentModel(model, payment);
SuccessNotification(_localizationService.GetResource("Admin.RecurringPayments.NextPaymentProcessed"), false);
//selected tab
await SaveSelectedTabIndex(persistForTheNextRequest : false);
return(View(model));
}
catch (Exception exc)
{
//error
var model = new RecurringPaymentModel();
await PrepareRecurringPaymentModel(model, payment);
ErrorNotification(exc, false);
//selected tab
await SaveSelectedTabIndex(persistForTheNextRequest : false);
return(View(model));
}
}
public async Task <IActionResult> IPNHandler()
{
string strRequest = string.Empty;
using (var stream = new StreamReader(Request.Body))
{
strRequest = await stream.ReadToEndAsync();
}
Dictionary <string, string> values;
var processor = _paymentService.LoadPaymentMethodBySystemName("Payments.PayPalStandard") as PayPalStandardPaymentProcessor;
if (processor == null ||
!processor.IsPaymentMethodActive(_paymentSettings) || !processor.PluginDescriptor.Installed)
{
throw new GrandException("PayPal Standard module cannot be loaded");
}
if (processor.VerifyIpn(strRequest, out values))
{
#region values
decimal mc_gross = decimal.Zero;
try
{
mc_gross = decimal.Parse(values["mc_gross"], new CultureInfo("en-US"));
}
catch { }
string payer_status = string.Empty;
values.TryGetValue("payer_status", out payer_status);
string payment_status = string.Empty;
values.TryGetValue("payment_status", out payment_status);
string pending_reason = string.Empty;
values.TryGetValue("pending_reason", out pending_reason);
string mc_currency = string.Empty;
values.TryGetValue("mc_currency", out mc_currency);
string txn_id = string.Empty;
values.TryGetValue("txn_id", out txn_id);
string txn_type = string.Empty;
values.TryGetValue("txn_type", out txn_type);
string rp_invoice_id = string.Empty;
values.TryGetValue("rp_invoice_id", out rp_invoice_id);
string payment_type = string.Empty;
values.TryGetValue("payment_type", out payment_type);
string payer_id = string.Empty;
values.TryGetValue("payer_id", out payer_id);
string receiver_id = string.Empty;
values.TryGetValue("receiver_id", out receiver_id);
string invoice = string.Empty;
values.TryGetValue("invoice", out invoice);
string payment_fee = string.Empty;
values.TryGetValue("payment_fee", out payment_fee);
#endregion
var sb = new StringBuilder();
sb.AppendLine("Paypal IPN:");
foreach (KeyValuePair <string, string> kvp in values)
{
sb.AppendLine(kvp.Key + ": " + kvp.Value);
}
var newPaymentStatus = PaypalHelper.GetPaymentStatus(payment_status, pending_reason);
sb.AppendLine("New payment status: " + newPaymentStatus);
switch (txn_type)
{
case "recurring_payment_profile_created":
//do nothing here
break;
case "recurring_payment":
#region Recurring payment
{
Guid orderNumberGuid = Guid.Empty;
try
{
orderNumberGuid = new Guid(rp_invoice_id);
}
catch
{
}
var initialOrder = await _orderService.GetOrderByGuid(orderNumberGuid);
if (initialOrder != null)
{
var recurringPayments = await _orderService.SearchRecurringPayments(initialOrderId : initialOrder.Id);
foreach (var rp in recurringPayments)
{
switch (newPaymentStatus)
{
case PaymentStatus.Authorized:
case PaymentStatus.Paid:
{
var recurringPaymentHistory = rp.RecurringPaymentHistory;
if (recurringPaymentHistory.Count == 0)
{
//first payment
var rph = new RecurringPaymentHistory {
RecurringPaymentId = rp.Id,
OrderId = initialOrder.Id,
CreatedOnUtc = DateTime.UtcNow
};
rp.RecurringPaymentHistory.Add(rph);
await _orderService.UpdateRecurringPayment(rp);
}
else
{
//next payments
await _orderRecurringPayment.ProcessNextRecurringPayment(rp);
}
}
break;
}
}
_logger.Information("PayPal IPN. Recurring info", new GrandException(sb.ToString()));
}
else
{
_logger.Error("PayPal IPN. Order is not found", new GrandException(sb.ToString()));
}
}
#endregion
break;
default:
#region Standard payment
{
string orderNumber = string.Empty;
values.TryGetValue("custom", out orderNumber);
Guid orderNumberGuid = Guid.Empty;
try
{
orderNumberGuid = new Guid(orderNumber);
}
catch
{
}
var order = await _orderService.GetOrderByGuid(orderNumberGuid);
if (order != null)
{
//order note
await _orderService.InsertOrderNote(new OrderNote {
Note = sb.ToString(),
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow,
OrderId = order.Id,
});
switch (newPaymentStatus)
{
case PaymentStatus.Pending:
{
}
break;
case PaymentStatus.Authorized:
{
//validate order total
if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal * order.CurrencyRate, 2)))
{
//valid
if (_orderProcessingService.CanMarkOrderAsAuthorized(order))
{
await _orderProcessingService.MarkAsAuthorized(order);
}
}
else
{
//not valid
string errorStr = string.Format("PayPal IPN. Returned order total {0} doesn't equal order total {1}. Order# {2}.", mc_gross, order.OrderTotal * order.CurrencyRate, order.Id);
//log
_logger.Error(errorStr);
//order note
await _orderService.InsertOrderNote(new OrderNote {
Note = errorStr,
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow,
OrderId = order.Id,
});
}
}
break;
case PaymentStatus.Paid:
{
//validate order total
if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal * order.CurrencyRate, 2)))
{
//valid
if (await _orderProcessingService.CanMarkOrderAsPaid(order))
{
order.AuthorizationTransactionId = txn_id;
await _orderService.UpdateOrder(order);
await _orderProcessingService.MarkOrderAsPaid(order);
}
}
else
{
//not valid
string errorStr = string.Format("PayPal IPN. Returned order total {0} doesn't equal order total {1}. Order# {2}.", mc_gross, order.OrderTotal * order.CurrencyRate, order.Id);
//log
_logger.Error(errorStr);
//order note
await _orderService.InsertOrderNote(new OrderNote {
Note = errorStr,
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow,
OrderId = order.Id,
});
}
}
break;
case PaymentStatus.Refunded:
{
var totalToRefund = Math.Abs(mc_gross);
if (totalToRefund > 0 && Math.Round(totalToRefund, 2).Equals(Math.Round(order.OrderTotal * order.CurrencyRate, 2)))
{
//refund
if (_orderProcessingService.CanRefundOffline(order))
{
await _orderProcessingService.RefundOffline(order);
}
}
else
{
//partial refund
if (_orderProcessingService.CanPartiallyRefundOffline(order, totalToRefund))
{
await _orderProcessingService.PartiallyRefundOffline(order, totalToRefund);
}
}
}
break;
case PaymentStatus.Voided:
{
if (_orderProcessingService.CanVoidOffline(order))
{
await _orderProcessingService.VoidOffline(order);
}
}
break;
default:
break;
}
}
else
{
_logger.Error("PayPal IPN. Order is not found", new GrandException(sb.ToString()));
}
}
#endregion
break;
}
}
else
{
_logger.Error("PayPal IPN failed.", new GrandException(strRequest));
}
//nothing should be rendered to visitor
return(Content(""));
}