public ResponseMessage ExecuteOperation(RequestMessage request)
{
try
{
Order orderToCancel = OrderRepository.GetOrder(request.OrderId);
switch (orderToCancel.State)
{
case OrderState.Shipped:
// msg cannot cancel shipped order
return(_responseMessageFactory.CreateCancellationResponseMessage(request, orderToCancel,
"Cannot cancel an order that has been shipped."));
case OrderState.Cancelled:
return(_responseMessageFactory.CreateCancellationResponseMessage(request, orderToCancel,
"Order has already been cancelled."));
default:
foreach (OrderItem item in orderToCancel.OrderItems)
{
InventoryItem inventoryItem = InventoryRepository.GetInventoryItem(item.ItemCode);
if (item.State == OrderItemState.Filled)
{
inventoryItem.QuantityOnHand += item.Quantity;
}
item.State = OrderItemState.Cancelled;
}
orderToCancel.State = OrderState.Cancelled;
// save inventory
InventoryRepository.UpdateInventory();
// save order
OrderRepository.UpdateOrders();
return(_responseMessageFactory.CreateCancellationResponseMessage(request, orderToCancel,
"Order has been cancelled and reserved inventory has been released."));
}
}
catch (Exception ex)
{
_loggerService.WriteLine("Exception during operation CancelOrder: " + ex, "CancelOrderError");
return(_responseMessageFactory.CreateErrorResponseMessage(ex));
}
}