示例#1
0
        protected virtual async Task ProcessRefundResponseAsync(WebHookRequest request, RefundResponse refundResponse)
        {
            if (refundResponse.PaymentId == Guid.Empty)
            {
                return;
            }

            // only transferred refunds
            if (request.Type != "payment.refund_transferred")
            {
                return;
            }

            try
            {
                var paymentResponse = await _paymentApi.GetPaymentAsync(refundResponse.PaymentId);

                if (paymentResponse != null)
                {
                    if (!Guid.TryParse(paymentResponse.OrderId, out var orderGuid))
                    {
                        return;
                    }

                    var order = _orderService.GetOrderByGuid(orderGuid);
                    if (order != null)
                    {
                        var refundIds = _genericAttributeService.GetAttribute <List <string> >(order, Defaults.RefundIdAttributeName)
                                        ?? new List <string>();
                        var refundId = refundResponse.Id.ToString();
                        if (!refundIds.Contains(refundId))
                        {
                            if (paymentResponse.Amount == refundResponse.Amount)
                            {
                                if (_orderProcessingService.CanRefundOffline(order))
                                {
                                    _orderProcessingService.RefundOffline(order);
                                }
                            }
                            else
                            {
                                if (_orderProcessingService.CanPartiallyRefundOffline(order, refundResponse.Amount / 100))
                                {
                                    _orderProcessingService.PartiallyRefundOffline(order, refundResponse.Amount / 100);
                                }
                            }

                            refundIds.Add(refundId);
                            _genericAttributeService.SaveAttribute(order, Defaults.RefundIdAttributeName, refundIds);
                        }
                    }
                }
            }
            catch (ApiException exception)
            {
                _logger.Error($"{Defaults.SystemName}: {exception.Message}", exception);
            }
        }
示例#2
0
        public IActionResult RefundWebhook()
        {
            try
            {
                //validate request
                var isValid = _serviceManager.ValidateWebhookRequest(Request.Form);
                if (!isValid)
                {
                    return(BadRequest());
                }

                //try to get an order for this transaction
                var orderGuid = Guid.Parse(Request.Form["transaction_id"]);
                var order     = _orderService.GetOrderByGuid(orderGuid);
                if (order == null)
                {
                    return(Ok());
                }

                //add order note
                var details = Request.Form.Aggregate(string.Empty, (message, parameter) => $"{message}{parameter.Key}: {parameter.Value}; ");
                _orderService.InsertOrderNote(new OrderNote
                {
                    OrderId           = order.Id,
                    Note              = $"Webhook details: {Environment.NewLine}{details}",
                    DisplayToCustomer = false,
                    CreatedOnUtc      = DateTime.UtcNow
                });

                //check transaction status
                switch (Request.Form["status"].ToString().ToLower())
                {
                //refund processed
                case "2":
                    //ensure that this refund has not been processed before
                    var refundGuid = _genericAttributeService.GetAttribute <string>(order, Defaults.RefundGuidAttribute);
                    if (refundGuid?.Equals(Request.Form["refund_guid"], StringComparison.InvariantCultureIgnoreCase) ?? false)
                    {
                        break;
                    }

                    if (decimal.TryParse(Request.Form["mb_amount"], out var refundedAmount) &&
                        _orderProcessingService.CanPartiallyRefundOffline(order, refundedAmount))
                    {
                        _orderProcessingService.PartiallyRefundOffline(order, refundedAmount);
                    }
                    break;
                }
            }
            catch { }

            return(Ok());
        }
        /// <summary>
        /// Partially refund
        /// </summary>
        /// <param name="order">Order</param>
        /// <param name="refund">Refund</param>
        private void MarkOrderAsPartiallyRefunded(Core.Domain.Orders.Order order, PayPalCheckoutSdk.Payments.Refund refund)
        {
            if (!decimal.TryParse(refund.Amount?.Value, out var refundedAmount))
            {
                return;
            }

            if (_orderProcessingService.CanPartiallyRefundOffline(order, refundedAmount))
            {
                _orderProcessingService.PartiallyRefundOffline(order, refundedAmount);
            }
        }
示例#4
0
        /// <remarks>return 503 (HttpStatusCode.ServiceUnavailable) to ask paypal to resend it at later time again</remarks>
        public HttpStatusCode ProcessWebhook(
            PayPalApiSettingsBase settings,
            NameValueCollection headers,
            string rawJson,
            string providerSystemName)
        {
            if (rawJson.IsEmpty())
            {
                return(HttpStatusCode.OK);
            }

            dynamic json      = JObject.Parse(rawJson);
            var     eventType = (string)json.event_type;

            //foreach (var key in headers.AllKeys)"{0}: {1}".FormatInvariant(key, headers[key]).Dump();
            //string data = JsonConvert.SerializeObject(json, Formatting.Indented);data.Dump();


            // validating against PayPal SDK failing using sandbox, so better we do not use it:
            //var apiContext = new global::PayPal.Api.APIContext
            //{
            //	AccessToken = "I do not have one here",
            //	Config = new Dictionary<string, string>
            //		{
            //			{ "mode", settings.UseSandbox ? "sandbox" : "live" },
            //			{ "clientId", settings.ClientId },
            //			{ "clientSecret", settings.Secret },
            //			{ "webhook.id", setting.WebhookId },
            //		}
            //};
            //var result = global::PayPal.Api.WebhookEvent.ValidateReceivedEvent(apiContext, headers, rawJson, webhookId);
            //}

            var paymentId = (string)json.resource.parent_payment;

            if (paymentId.IsEmpty())
            {
                LogError(null, T("Plugins.SmartStore.PayPal.FoundOrderForPayment", 0, "".NaIfEmpty()), JsonConvert.SerializeObject(json, Formatting.Indented), isWarning: true);
                return(HttpStatusCode.OK);
            }

            var orders = _orderRepository.Value.Table
                         .Where(x => x.PaymentMethodSystemName == providerSystemName && x.AuthorizationTransactionCode == paymentId)
                         .ToList();

            if (orders.Count != 1)
            {
                LogError(null, T("Plugins.SmartStore.PayPal.FoundOrderForPayment", orders.Count, paymentId), JsonConvert.SerializeObject(json, Formatting.Indented), isWarning: true);
                return(HttpStatusCode.OK);
            }

            var order = orders.First();
            var store = _services.StoreService.GetStoreById(order.StoreId);

            var total           = decimal.Zero;
            var currency        = (string)json.resource.amount.currency;
            var primaryCurrency = store.PrimaryStoreCurrency.CurrencyCode;

            if (!primaryCurrency.IsCaseInsensitiveEqual(currency))
            {
                LogError(null, T("Plugins.SmartStore.PayPal.CurrencyNotEqual", currency.NaIfEmpty(), primaryCurrency), JsonConvert.SerializeObject(json, Formatting.Indented), isWarning: true);
                return(HttpStatusCode.OK);
            }

            eventType = eventType.Substring(eventType.LastIndexOf('.') + 1);

            var newPaymentStatus = GetPaymentStatus(eventType, "authorization", order.PaymentStatus);

            var isValidTotal = decimal.TryParse((string)json.resource.amount.total, NumberStyles.Currency, CultureInfo.InvariantCulture, out total);

            if (newPaymentStatus == PaymentStatus.Refunded && (Math.Abs(order.OrderTotal) - Math.Abs(total)) > decimal.Zero)
            {
                newPaymentStatus = PaymentStatus.PartiallyRefunded;
            }

            switch (newPaymentStatus)
            {
            case PaymentStatus.Pending:
                break;

            case PaymentStatus.Authorized:
                if (_orderProcessingService.CanMarkOrderAsAuthorized(order))
                {
                    _orderProcessingService.MarkAsAuthorized(order);
                }
                break;

            case PaymentStatus.Paid:
                if (_orderProcessingService.CanMarkOrderAsPaid(order))
                {
                    _orderProcessingService.MarkOrderAsPaid(order);
                }
                break;

            case PaymentStatus.Refunded:
                if (_orderProcessingService.CanRefundOffline(order))
                {
                    _orderProcessingService.RefundOffline(order);
                }
                break;

            case PaymentStatus.PartiallyRefunded:
                if (_orderProcessingService.CanPartiallyRefundOffline(order, Math.Abs(total)))
                {
                    _orderProcessingService.PartiallyRefundOffline(order, Math.Abs(total));
                }
                break;

            case PaymentStatus.Voided:
                if (_orderProcessingService.CanVoidOffline(order))
                {
                    _orderProcessingService.VoidOffline(order);
                }
                break;
            }

            order.HasNewPaymentNotification = true;

            AddOrderNote(settings, order, (string)ToInfoString(json));

            return(HttpStatusCode.OK);
        }
示例#5
0
        public ActionResult IPNHandler()
        {
            byte[] param      = Request.BinaryRead(Request.ContentLength);
            string strRequest = Encoding.ASCII.GetString(param);
            Dictionary <string, string> values;

            var processor = _paymentService.LoadPaymentMethodBySystemName("Payments.PayPalStandard") as PayPalStandardPaymentProcessor;

            if (processor == null ||
                !processor.IsPaymentMethodActive(_paymentSettings) || !processor.PluginDescriptor.Installed)
            {
                throw new NopException("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;

                    #region Recurring payment
                case "recurring_payment":
                {
                    Guid orderNumberGuid = Guid.Empty;
                    try
                    {
                        orderNumberGuid = new Guid(rp_invoice_id);
                    }
                    catch
                    {
                    }

                    var initialOrder = _orderService.GetOrderByGuid(orderNumberGuid);
                    if (initialOrder != null)
                    {
                        var recurringPayments = _orderService.SearchRecurringPayments(initialOrderId: initialOrder.Id);
                        foreach (var rp in recurringPayments)
                        {
                            switch (newPaymentStatus)
                            {
                            case PaymentStatus.Authorized:
                            case PaymentStatus.Paid:
                            {
                                var recurringPaymentHistory = rp.RecurringPaymentHistory;
                                if (!recurringPaymentHistory.Any())
                                {
                                    //first payment
                                    var rph = new RecurringPaymentHistory
                                    {
                                        RecurringPaymentId = rp.Id,
                                        OrderId            = initialOrder.Id,
                                        CreatedOnUtc       = DateTime.UtcNow
                                    };
                                    rp.RecurringPaymentHistory.Add(rph);
                                    _orderService.UpdateRecurringPayment(rp);
                                }
                                else
                                {
                                    //next payments
                                    var processPaymentResult = new ProcessPaymentResult();
                                    processPaymentResult.NewPaymentStatus = newPaymentStatus;
                                    if (newPaymentStatus == PaymentStatus.Authorized)
                                    {
                                        processPaymentResult.AuthorizationTransactionId = txn_id;
                                    }
                                    else
                                    {
                                        processPaymentResult.CaptureTransactionId = txn_id;
                                    }

                                    _orderProcessingService.ProcessNextRecurringPayment(rp, processPaymentResult);
                                }
                            }
                            break;

                            case PaymentStatus.Voided:
                                //failed payment
                                var failedPaymentResult = new ProcessPaymentResult
                                {
                                    Errors = new[] { string.Format("PayPal IPN. Recurring payment is {0} .", payment_status) },
                                    RecurringPaymentFailed = true
                                };
                                _orderProcessingService.ProcessNextRecurringPayment(rp, failedPaymentResult);
                                break;
                            }
                        }

                        //this.OrderService.InsertOrderNote(newOrder.OrderId, sb.ToString(), DateTime.UtcNow);
                        _logger.Information("PayPal IPN. Recurring info", new NopException(sb.ToString()));
                    }
                    else
                    {
                        _logger.Error("PayPal IPN. Order is not found", new NopException(sb.ToString()));
                    }
                }
                break;

                case "recurring_payment_failed":
                    var orderGuid = Guid.Empty;
                    if (Guid.TryParse(rp_invoice_id, out orderGuid))
                    {
                        var initialOrder = _orderService.GetOrderByGuid(orderGuid);
                        if (initialOrder != null)
                        {
                            var recurringPayment = _orderService.SearchRecurringPayments(initialOrderId: initialOrder.Id).FirstOrDefault();
                            //failed payment
                            if (recurringPayment != null)
                            {
                                _orderProcessingService.ProcessNextRecurringPayment(recurringPayment, new ProcessPaymentResult {
                                    Errors = new[] { txn_type }, RecurringPaymentFailed = true
                                });
                            }
                        }
                    }
                    break;

                    #endregion
                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 = _orderService.GetOrderByGuid(orderNumberGuid);
                    if (order != null)
                    {
                        //order note
                        order.OrderNotes.Add(new OrderNote
                            {
                                Note = sb.ToString(),
                                DisplayToCustomer = false,
                                CreatedOnUtc      = DateTime.UtcNow
                            });
                        _orderService.UpdateOrder(order);

                        switch (newPaymentStatus)
                        {
                        case PaymentStatus.Pending:
                        {
                        }
                        break;

                        case PaymentStatus.Authorized:
                        {
                            //validate order total
                            if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal, 2)))
                            {
                                //valid
                                if (_orderProcessingService.CanMarkOrderAsAuthorized(order))
                                {
                                    _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.Id);
                                //log
                                _logger.Error(errorStr);
                                //order note
                                order.OrderNotes.Add(new OrderNote
                                        {
                                            Note = errorStr,
                                            DisplayToCustomer = false,
                                            CreatedOnUtc      = DateTime.UtcNow
                                        });
                                _orderService.UpdateOrder(order);
                            }
                        }
                        break;

                        case PaymentStatus.Paid:
                        {
                            //validate order total
                            if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal, 2)))
                            {
                                //valid
                                if (_orderProcessingService.CanMarkOrderAsPaid(order))
                                {
                                    order.AuthorizationTransactionId = txn_id;
                                    _orderService.UpdateOrder(order);

                                    _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.Id);
                                //log
                                _logger.Error(errorStr);
                                //order note
                                order.OrderNotes.Add(new OrderNote
                                        {
                                            Note = errorStr,
                                            DisplayToCustomer = false,
                                            CreatedOnUtc      = DateTime.UtcNow
                                        });
                                _orderService.UpdateOrder(order);
                            }
                        }
                        break;

                        case PaymentStatus.Refunded:
                        {
                            var totalToRefund = Math.Abs(mc_gross);
                            if (totalToRefund > 0 && Math.Round(totalToRefund, 2).Equals(Math.Round(order.OrderTotal, 2)))
                            {
                                //refund
                                if (_orderProcessingService.CanRefundOffline(order))
                                {
                                    _orderProcessingService.RefundOffline(order);
                                }
                            }
                            else
                            {
                                //partial refund
                                if (_orderProcessingService.CanPartiallyRefundOffline(order, totalToRefund))
                                {
                                    _orderProcessingService.PartiallyRefundOffline(order, totalToRefund);
                                }
                            }
                        }
                        break;

                        case PaymentStatus.Voided:
                        {
                            if (_orderProcessingService.CanVoidOffline(order))
                            {
                                _orderProcessingService.VoidOffline(order);
                            }
                        }
                        break;

                        default:
                            break;
                        }
                    }
                    else
                    {
                        _logger.Error("PayPal IPN. Order is not found", new NopException(sb.ToString()));
                    }
                }
                    #endregion
                    break;
                }
            }
            else
            {
                _logger.Error("PayPal IPN failed.", new NopException(strRequest));
            }

            //nothing should be rendered to visitor
            return(Content(""));
        }
示例#6
0
        public ActionResult IPNHandler(FormCollection form, int?storeId)
        {
            Order order;

            if (!ValidateIPN(form, storeId, out order))
            {
                return(new HttpStatusCodeResult(HttpStatusCode.OK));
            }

            //order note
            var note = new StringBuilder();

            foreach (string key in form.Keys)
            {
                note.AppendFormat("{0}: {1}{2}", key, form[key], Environment.NewLine);
            }

            order.OrderNotes.Add(new OrderNote()
            {
                Note = note.ToString(),
                DisplayToCustomer = false,
                CreatedOnUtc      = DateTime.UtcNow
            });
            _orderService.UpdateOrder(order);

            //change order status
            switch (form["status"].ToLowerInvariant())
            {
            case "complete":
                //paid order
                if (_orderProcessingService.CanMarkOrderAsPaid(order))
                {
                    order.CaptureTransactionId = form["transactionId"];
                    _orderService.UpdateOrder(order);
                    _orderProcessingService.MarkOrderAsPaid(order);
                }
                break;

            case "partial_refunded":
                //partially refund order
                decimal amount;
                if (decimal.TryParse(form["refundedAmount"], out amount) && _orderProcessingService.CanPartiallyRefund(order, amount))
                {
                    _orderProcessingService.PartiallyRefundOffline(order, amount);
                }
                break;

            case "refunded":
                //refund order
                if (_orderProcessingService.CanRefund(order))
                {
                    _orderProcessingService.RefundOffline(order);
                }
                break;

            case "pending":
                //do not logging for pending status
                break;

            default:
                _logger.Error(string.Format("G2A Pay IPN error: transaction is {0}", form["status"]));
                break;
            }

            return(new HttpStatusCodeResult(HttpStatusCode.OK));
        }
示例#7
0
        protected virtual void ProcessPayment(string orderNumber, string ipnInfo, PaymentStatus newPaymentStatus, decimal mcGross, string transactionId)
        {
            Guid orderNumberGuid;

            try
            {
                orderNumberGuid = new Guid(orderNumber);
            }
            catch
            {
                orderNumberGuid = Guid.Empty;
            }

            var order = _orderService.GetOrderByGuid(orderNumberGuid);

            if (order == null)
            {
                _logger.Error("PayPal IPN. Order is not found", new NopException(ipnInfo));
                return;
            }

            //order note
            _orderService.InsertOrderNote(new OrderNote
            {
                OrderId           = order.Id,
                Note              = ipnInfo,
                DisplayToCustomer = false,
                CreatedOnUtc      = DateTime.UtcNow
            });

            //validate order total
            if ((newPaymentStatus == PaymentStatus.Authorized || newPaymentStatus == PaymentStatus.Paid) && !Math.Round(mcGross, 2).Equals(Math.Round(order.OrderTotal, 2)))
            {
                var errorStr = $"PayPal IPN. Returned order total {mcGross} doesn't equal order total {order.OrderTotal}. Order# {order.Id}.";
                //log
                _logger.Error(errorStr);
                //order note
                _orderService.InsertOrderNote(new OrderNote
                {
                    OrderId           = order.Id,
                    Note              = errorStr,
                    DisplayToCustomer = false,
                    CreatedOnUtc      = DateTime.UtcNow
                });

                return;
            }

            switch (newPaymentStatus)
            {
            case PaymentStatus.Authorized:
                if (_orderProcessingService.CanMarkOrderAsAuthorized(order))
                {
                    _orderProcessingService.MarkAsAuthorized(order);
                }
                break;

            case PaymentStatus.Paid:
                if (_orderProcessingService.CanMarkOrderAsPaid(order))
                {
                    order.AuthorizationTransactionId = transactionId;
                    _orderService.UpdateOrder(order);

                    _orderProcessingService.MarkOrderAsPaid(order);
                }

                break;

            case PaymentStatus.Refunded:
                var totalToRefund = Math.Abs(mcGross);
                if (totalToRefund > 0 && Math.Round(totalToRefund, 2).Equals(Math.Round(order.OrderTotal, 2)))
                {
                    //refund
                    if (_orderProcessingService.CanRefundOffline(order))
                    {
                        _orderProcessingService.RefundOffline(order);
                    }
                }
                else
                {
                    //partial refund
                    if (_orderProcessingService.CanPartiallyRefundOffline(order, totalToRefund))
                    {
                        _orderProcessingService.PartiallyRefundOffline(order, totalToRefund);
                    }
                }

                break;

            case PaymentStatus.Voided:
                if (_orderProcessingService.CanVoidOffline(order))
                {
                    _orderProcessingService.VoidOffline(order);
                }

                break;
            }
        }
 /// <summary>
 /// Partially refunds an order (offline)
 /// </summary>
 /// <param name="order">Order</param>
 /// <param name="amountToRefund">Amount to refund</param>
 public void PartiallyRefundOffline(Order order, decimal amountToRefund)
 {
     _orderProcessingService.PartiallyRefundOffline(order, amountToRefund);
 }
        public IActionResult IPNHandler(IFormCollection form)
        {
            //byte[] parameters;
            //using (var stream = new MemoryStream())
            //{
            //    this.Request.Body.CopyTo(stream);
            //    parameters = stream.ToArray();
            //}
            //var strRequest = Encoding.ASCII.GetString(parameters);

            var processor = _paymentService.LoadPaymentMethodBySystemName("Payments.MOLPay") as MOLPayPaymentProcessor;

            if (processor == null ||
                !processor.IsPaymentMethodActive(_paymentSettings) || !processor.PluginDescriptor.Installed)
            {
                throw new NopException("MOLPay module cannot be loaded");
            }

            //if (processor.VerifyIpn(strRequest, out Dictionary<string, string> values))
            //{
            #region values
            var mc_gross = decimal.Zero;
            try
            {
                mc_gross = decimal.Parse(form["mc_gross"], new CultureInfo("en-US"));
            }
            catch { }

            //values.TryGetValue("payer_status", out string payer_status);
            //values.TryGetValue("payment_status", out string payment_status);
            //values.TryGetValue("pending_reason", out string pending_reason);
            //values.TryGetValue("mc_currency", out string mc_currency);
            //values.TryGetValue("txn_id", out string txn_id);
            //values.TryGetValue("txn_type", out string txn_type);
            //values.TryGetValue("rp_invoice_id", out string rp_invoice_id);
            //values.TryGetValue("payment_type", out string payment_type);
            //values.TryGetValue("payer_id", out string payer_id);
            //values.TryGetValue("receiver_id", out string receiver_id);
            //values.TryGetValue("invoice", out string _);
            //values.TryGetValue("payment_fee", out string payment_fee);

            #endregion

            var    skey          = form["skey"];
            var    tranID        = form["tranID"];
            var    domain        = form["domain"];
            var    status        = form["status"];
            var    amount        = form["amount"];
            var    currency      = form["currency"];
            var    paydate       = form["paydate"];
            int    orderid       = Int32.Parse(form["orderid"]);
            var    appcode       = form["appcode"];
            var    error_code    = form["error_code"];
            var    error_desc    = form["error_desc"];
            string txn_type      = form["txn_type"];
            var    rp_invoice_id = form["rp_invoice_id"];
            var    txn_id        = form["txn_id"];
            var    channel       = form["channel"];

            var sb = new StringBuilder();
            sb.AppendLine("MOLPay IPN:");
            foreach (var kvp in form)
            {
                sb.AppendLine(kvp.Key + ": " + kvp.Value);
            }

            var captured = _molPayPaymentSettings.CapturedMode;
            var failed   = _molPayPaymentSettings.FailedMode;
            var pending  = _molPayPaymentSettings.PendingMode;
            var result   = pending;
            switch (status)
            {
            case "00":
                result = captured;
                break;

            case "11":
                result = failed;
                break;

            case "22":
                result = pending;
                break;

            default:
                break;
            }

            //var newPaymentStatus = MOLPayHelper.GetPaymentStatus(payment_status);
            var newPaymentStatus = result;
            sb.AppendLine("New payment status: " + newPaymentStatus);

            switch (txn_type)
            {
            case "recurring_payment_profile_created":
                //do nothing here
                break;

                #region Recurring payment
            case "recurring_payment":
            {
                var orderNumberGuid = Guid.Empty;
                try
                {
                    orderNumberGuid = new Guid(rp_invoice_id);
                }
                catch
                {
                }

                var initialOrder = _orderService.GetOrderByGuid(orderNumberGuid);
                if (initialOrder != null)
                {
                    var recurringPayments = _orderService.SearchRecurringPayments(initialOrderId: initialOrder.Id);
                    foreach (var rp in recurringPayments)
                    {
                        switch (newPaymentStatus)
                        {
                        case PaymentStatus.Authorized:
                        case PaymentStatus.Paid:
                        {
                            var recurringPaymentHistory = rp.RecurringPaymentHistory;
                            if (!recurringPaymentHistory.Any())
                            {
                                //first payment
                                var rph = new RecurringPaymentHistory
                                {
                                    RecurringPaymentId = rp.Id,
                                    OrderId            = initialOrder.Id,
                                    CreatedOnUtc       = DateTime.UtcNow
                                };
                                rp.RecurringPaymentHistory.Add(rph);
                                _orderService.UpdateRecurringPayment(rp);
                            }
                            else
                            {
                                //next payments
                                var processPaymentResult = new ProcessPaymentResult
                                {
                                    NewPaymentStatus = newPaymentStatus
                                };
                                if (newPaymentStatus == PaymentStatus.Authorized)
                                {
                                    processPaymentResult.AuthorizationTransactionId = txn_id;
                                }
                                else
                                {
                                    processPaymentResult.CaptureTransactionId = txn_id;
                                }

                                _orderProcessingService.ProcessNextRecurringPayment(rp, processPaymentResult);
                            }
                        }
                        break;

                        case PaymentStatus.Voided:
                            //failed payment
                            var failedPaymentResult = new ProcessPaymentResult
                            {
                                Errors = new[] { $"MOLPay IPN. Recurring payment is {newPaymentStatus} ." },
                                RecurringPaymentFailed = true
                            };
                            _orderProcessingService.ProcessNextRecurringPayment(rp, failedPaymentResult);
                            break;
                        }
                    }

                    //this.OrderService.InsertOrderNote(newOrder.OrderId, sb.ToString(), DateTime.UtcNow);
                    _logger.Information("MOLPay IPN. Recurring info", new NopException(sb.ToString()));
                }
                else
                {
                    _logger.Error("MOLPay IPN. Order is not found", new NopException(sb.ToString()));
                }
            }
            break;

            case "recurring_payment_failed":
                if (Guid.TryParse(rp_invoice_id, out Guid orderGuid))
                {
                    var initialOrder = _orderService.GetOrderByGuid(orderGuid);
                    if (initialOrder != null)
                    {
                        var recurringPayment = _orderService.SearchRecurringPayments(initialOrderId: initialOrder.Id).FirstOrDefault();
                        //failed payment
                        if (recurringPayment != null)
                        {
                            _orderProcessingService.ProcessNextRecurringPayment(recurringPayment, new ProcessPaymentResult {
                                Errors = new[] { txn_type }, RecurringPaymentFailed = true
                            });
                        }
                    }
                }
                break;

                #endregion
            default:
                #region Standard payment
            {
                //values.TryGetValue("custom", out string orderNumber);
                var orderNumber     = form["custom"];
                var orderNumberGuid = Guid.Empty;
                try
                {
                    orderNumberGuid = new Guid(orderNumber);
                }
                catch
                {
                }

                var order = _orderService.GetOrderByGuid(orderNumberGuid);
                if (order != null)
                {
                    //order note
                    order.OrderNotes.Add(new OrderNote
                        {
                            Note = sb.ToString(),
                            DisplayToCustomer = false,
                            CreatedOnUtc      = DateTime.UtcNow
                        });
                    _orderService.UpdateOrder(order);

                    switch (newPaymentStatus)
                    {
                    case PaymentStatus.Pending:
                    {
                    }
                    break;

                    case PaymentStatus.Authorized:
                    {
                        //validate order total
                        if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal, 2)))
                        {
                            //valid
                            if (_orderProcessingService.CanMarkOrderAsAuthorized(order))
                            {
                                _orderProcessingService.MarkAsAuthorized(order);
                            }
                        }
                        else
                        {
                            //not valid
                            var errorStr =
                                $"MOLPay IPN. Returned order total {mc_gross} doesn't equal order total {order.OrderTotal}. Order# {order.Id}.";
                            //log
                            _logger.Error(errorStr);
                            //order note
                            order.OrderNotes.Add(new OrderNote
                                    {
                                        Note = errorStr,
                                        DisplayToCustomer = false,
                                        CreatedOnUtc      = DateTime.UtcNow
                                    });
                            _orderService.UpdateOrder(order);
                        }
                    }
                    break;

                    case PaymentStatus.Paid:
                    {
                        //validate order total
                        if (Math.Round(mc_gross, 2).Equals(Math.Round(order.OrderTotal, 2)))
                        {
                            //valid
                            if (_orderProcessingService.CanMarkOrderAsPaid(order))
                            {
                                order.AuthorizationTransactionId = txn_id;
                                _orderService.UpdateOrder(order);

                                _orderProcessingService.MarkOrderAsPaid(order);
                            }
                        }
                        else
                        {
                            //not valid
                            var errorStr =
                                $"MOLPay IPN. Returned order total {mc_gross} doesn't equal order total {order.OrderTotal}. Order# {order.Id}.";
                            //log
                            _logger.Error(errorStr);
                            //order note
                            order.OrderNotes.Add(new OrderNote
                                    {
                                        Note = errorStr,
                                        DisplayToCustomer = false,
                                        CreatedOnUtc      = DateTime.UtcNow
                                    });
                            _orderService.UpdateOrder(order);
                        }
                    }
                    break;

                    case PaymentStatus.Refunded:
                    {
                        var totalToRefund = Math.Abs(mc_gross);
                        if (totalToRefund > 0 && Math.Round(totalToRefund, 2).Equals(Math.Round(order.OrderTotal, 2)))
                        {
                            //refund
                            if (_orderProcessingService.CanRefundOffline(order))
                            {
                                _orderProcessingService.RefundOffline(order);
                            }
                        }
                        else
                        {
                            //partial refund
                            if (_orderProcessingService.CanPartiallyRefundOffline(order, totalToRefund))
                            {
                                _orderProcessingService.PartiallyRefundOffline(order, totalToRefund);
                            }
                        }
                    }
                    break;

                    case PaymentStatus.Voided:
                    {
                        if (_orderProcessingService.CanVoidOffline(order))
                        {
                            _orderProcessingService.VoidOffline(order);
                        }
                    }
                    break;

                    default:
                        break;
                    }
                }
                else
                {
                    _logger.Error("MOLPay IPN. Order is not found", new NopException(sb.ToString()));
                }
            }
                #endregion
                break;
            }
            //}
            //else
            //{
            //    _logger.Error("MOLPay IPN failed.", new NopException(strRequest));
            //}

            //nothing should be rendered to visitor
            return(Content(""));
        }