private Order CreateOrderAndSyncWithKlarna(KlarnaCheckoutEntity klarnaRequest, Customer customer, KlarnaOrder klarnaOrder, Uri resourceUri)
{
var processPaymentRequest = new ProcessPaymentRequest
{
OrderGuid = klarnaRequest.OrderGuid,
CustomerId = customer.Id,
StoreId = _storeContext.CurrentStore.Id,
PaymentMethodSystemName = "Motillo.KlarnaCheckout"
};
var placeOrderResult = _orderProcessingService.PlaceOrder(processPaymentRequest);
// If you tamper with the cart after the klarna widget is rendered nop fails to create the order.
if (!placeOrderResult.Success)
{
var errors = string.Join("; ", placeOrderResult.Errors);
_logger.Error(string.Format(CultureInfo.CurrentCulture, "KlarnaCheckout: Klarna has been processed but order could not be created in Nop! Klarna ID={0}, ResourceURI={1}. Errors: {2}",
klarnaOrder.Id, klarnaRequest.KlarnaResourceUri, errors), customer: customer);
if (!_klarnaCheckoutPaymentService.CancelPayment(klarnaOrder.Reservation, customer))
{
_logger.Error("KlarnaCheckout: Error canceling reservation: " + klarnaOrder.Reservation, customer: customer);
}
throw new KlarnaCheckoutException("Error creating order: " + errors);
}
// Order was successfully created.
var orderId = placeOrderResult.PlacedOrder.Id;
var nopOrder = _orderService.GetOrderById(orderId);
_klarnaCheckoutPaymentService.Acknowledge(resourceUri, nopOrder);
nopOrder.AuthorizationTransactionId = klarnaOrder.Reservation;
_orderService.UpdateOrder(nopOrder);
var orderTotalInCurrentCurrency = _currencyService.ConvertFromPrimaryStoreCurrency(nopOrder.OrderTotal, _workContext.WorkingCurrency);
// We need to ensure the shopping cart wasn't tampered with before the user confirmed the Klarna order.
// If so an order may have been created which doesn't represent the paid items.
// Due to rounding when using prices contains more than 2 decimals (e.g. currency conversion), we allow
// a slight diff in paid price and nop's reported price.
// For example nop rounds the prices after _all_ cart item prices have been summed but when sending
// items to Klarna, each price needs to be rounded separately (Klarna uses 2 decimals).
// Assume a cart with two items.
// 1.114 + 2.114 = 3.228 which nop rounds to 3.23.
// 1.11 + 2.11 is sent to Klarna, which totals 3.22.
var allowedPriceDiff = orderTotalInCurrentCurrency*0.01m;
var diff = Math.Abs(orderTotalInCurrentCurrency - (klarnaOrder.Cart.TotalPriceIncludingTax.Value/100m));
if (diff < allowedPriceDiff)
{
nopOrder.OrderNotes.Add(new OrderNote
{
Note = "KlarnaCheckout: Order acknowledged. Uri: " + resourceUri,
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow
});
_orderService.UpdateOrder(nopOrder);
if (_orderProcessingService.CanMarkOrderAsPaid(nopOrder))
{
_orderProcessingService.MarkOrderAsPaid(nopOrder);
// Sometimes shipping isn't required, e.g. if only ordering virtual gift cards.
// In those cases, make sure the Klarna order is activated.
if (nopOrder.OrderStatus == OrderStatus.Complete)
{
var activationResult = _klarnaCheckoutPaymentService.Activate(klarnaOrder.Reservation, customer);
if (activationResult != null)
{
nopOrder.OrderNotes.Add(new OrderNote
{
Note = string.Format(CultureInfo.CurrentCulture, "KlarnaCheckout: Order complete after payment, activating Klarna order. Reservation: {0}, RiskStatus: {1}, InvoiceNumber: {2}",
klarnaOrder.Reservation, activationResult.RiskStatus, activationResult.InvoiceNumber),
CreatedOnUtc = DateTime.UtcNow,
DisplayToCustomer = false
});
_orderService.UpdateOrder(nopOrder);
klarnaRequest.Status = KlarnaCheckoutStatus.Activated;
_repository.Update(klarnaRequest);
_logger.Information(string.Format(CultureInfo.CurrentCulture, "KlarnaCheckout: Order complete after payment, activating Klarna order. OrderId: {0}, OrderGuid: {1}",
nopOrder.Id, nopOrder.OrderGuid));
}
}
}
}
else
{
var orderTotalInCents = _klarnaCheckoutHelper.ConvertToCents(orderTotalInCurrentCurrency);
nopOrder.OrderNotes.Add(new OrderNote
{
Note = string.Format(CultureInfo.CurrentCulture, "KlarnaCheckout: Order total differs from Klarna order. OrderTotal: {0}, OrderTotalInCents: {1}, KlarnaTotal: {2}, AllowedDiff: {3}, Diff: {4}, Uri: {5}",
orderTotalInCurrentCurrency, orderTotalInCents, klarnaOrder.Cart.TotalPriceIncludingTax, allowedPriceDiff, diff, resourceUri),
DisplayToCustomer = false,
CreatedOnUtc = DateTime.UtcNow
});
nopOrder.OrderNotes.Add(new OrderNote
{
Note = "KlarnaCheckout: Order total differs from paid amount to Klarna. Order has not been marked as paid. Please contact an administrator.",
DisplayToCustomer = true,
CreatedOnUtc = DateTime.UtcNow
});
_orderService.UpdateOrder(nopOrder);
_logger.Warning(string.Format(CultureInfo.CurrentCulture, "KlarnaCheckout: Order total differs. Please verify the sum and mark the order as paid in the administration. See order notes for more details. OrderId: {0}, OrderGuid: {1}",
nopOrder.Id, nopOrder.OrderGuid), customer: customer);
}
return nopOrder;
}
private void SyncKlarnaAndNopOrder(KlarnaCheckoutEntity klarnaRequest, Customer customer, out Order nopOrder, out KlarnaOrder klarnaOrder)
{
nopOrder = _orderService.GetOrderByGuid(klarnaRequest.OrderGuid);
var resourceUri = new Uri(klarnaRequest.KlarnaResourceUri);
var order = _klarnaCheckoutPaymentService.Fetch(resourceUri);
var data = order.Marshal();
var jsonData = JsonConvert.SerializeObject(data);
klarnaOrder = JsonConvert.DeserializeObject<Models.KlarnaOrder>(jsonData);
// Create the order if it doesn't exist in nop. According to the Klarna Checkout
// developer guidelines, one should only create the order if the status is
// 'checkout_complete'.
// https://developers.klarna.com/en/klarna-checkout/acknowledge-an-order
if (nopOrder == null && klarnaOrder.Status == KlarnaOrder.StatusCheckoutComplete)
{
if (klarnaOrder.Status == KlarnaOrder.StatusCheckoutComplete)
{
klarnaRequest.Status = KlarnaCheckoutStatus.Complete;
_repository.Update(klarnaRequest);
}
_klarnaCheckoutPaymentService.SyncBillingAndShippingAddress(customer, klarnaOrder);
nopOrder = CreateOrderAndSyncWithKlarna(klarnaRequest, customer, klarnaOrder, resourceUri);
}
}