/// <summary>
/// Make an order; return true if successful, otherwise return false.
/// </summary>
/// <param name="customerId">The ID of the customer.</param>
/// <param name="stockItemId">The ID of the stock item.</param>
/// <returns>True if the order was made.</returns>
public bool MakeOrder(long customerId, long stockItemId)
{
// this example code not intended to represent a well-designed order system ;)
using (var audit = new AuditlogSystem())
{
var verifier = new CustomerVerifier();
var orderProcesser = new OrderProcessor();
var stockChecker = new StockChecker();
if (verifier.VerifyCustomer(customerId, DateTime.UtcNow))
{
audit.LogStockInterest(customerId, stockItemId);
if (stockChecker.CheckStockAmount(stockItemId) > 0)
{
string orderValidationCode;
bool orderValidationSuccess = orderProcesser.ValidateOrder(customerId, stockItemId, out orderValidationCode);
if (orderValidationSuccess)
{
long orderId = orderProcesser.ConfirmOrder(orderValidationCode);
audit.LogOrderMade(orderId, orderValidationCode);
return(true);
}
else
{
audit.LogOrderFailed(orderValidationCode);
}
audit.LogCustomerInteraction(customerId);
}
}
return(false);
}
}
