public bool CanPlaceOrder(decimal expectedTotalCost, decimal expectedShippingCost)
{
//An order must have at least one line
if (!OrderLines.Any())
{
return(false);
}
//All products must be available to order
foreach (var line in OrderLines)
{
if (!_productAvailabilityService.CheckProductAvailability(line.Product.Stockcode, line.Quantity))
{
return(false);
}
}
//The calculated costs must match the expected ones
CalculateShippingCost();
CalculateTotalCost();
if (TotalCost != expectedTotalCost || ShippingCost != expectedShippingCost)
{
return(false);
}
//if all checks succeeded, return true
return(true);
}
private bool CanPlaceOrder(PlaceOrderRequest request)
{
//An order must have at least one line
if (!request.Order.OrderLines.Any())
{
return(false);
}
//All products must be available to order
foreach (var line in request.Order.OrderLines)
{
if (!_productAvailabilityService.CheckProductAvailability(line.Product.Stockcode, line.Quantity))
{
return(false);
}
}
//The calculated costs must match the expected ones
var shippingCost = _costCalculatorService.CalculateShippingPrice(request.Order.OrderLines.Select(x => x.Product).ToList(),
request.Order.ShippingAddress);
var totalCost = _costCalculatorService.CalculateTotalPrice(request.Order.OrderLines.ToList(), request.Order.PromotionCode);
if (totalCost != request.ExpectedTotalCost || shippingCost != request.ExpectedShippingCost)
{
return(false);
}
//if all checks succeeded, return true
return(true);
}
