public void UpdateInventory(UpdateInventoryMessage request)
{
try
{
InventoryStore.UpdateInventory(request.Body.ProductName, request.Body.Quantity);
}
catch (InventoryException)
{
InventoryFault fault = new InventoryFault();
fault.Description = "Not enough units in stock";
FaultException<InventoryFault> faultException = new FaultException<InventoryFault>(fault, "Inventory Error");
throw faultException;
}
}
public void PlaceOrder(OrderMessage request)
{
using (TransactionScope scope = new TransactionScope())
using (ChannelWrapper<IPetShopInventoryService> inventory = new ChannelWrapper<IPetShopInventoryService>("Inventory"))
using (ChannelWrapper<IPetShopAccountingService> accounting = new ChannelWrapper<IPetShopAccountingService>("Accounting"))
{
// update account
int total = CalculateTotal(request.Body.ProductName, request.Body.Quantity);
Account account = new Account();
account.Balance = total;
ChargeAccountMessage accountingMsg = new ChargeAccountMessage();
accountingMsg.Body = account;
try
{
accounting.Channel.ChargeAccount(accountingMsg);
}
catch (FaultException<AccountingFault> ex)
{
OrderFault fault = new OrderFault();
fault.Description = ex.Detail.Description;
throw new FaultException<OrderFault>(fault, "Order failed");
}
// update inventory
UpdateInventoryMessage inventoryMsg = new UpdateInventoryMessage();
inventoryMsg.Body = request.Body;
try
{
inventory.Channel.UpdateInventory(inventoryMsg);
}
catch (FaultException<InventoryFault> ex)
{
OrderFault fault = new OrderFault();
fault.Description = ex.Detail.Description;
throw new FaultException<OrderFault>(fault, "Order failed");
}
scope.Complete();
}
}