public void ScanItem(string code)
{
cart.Add(productService.GetProductByProductCode(code));
policy.Apply(cart);
if (ItemScanned != null)
{
ItemScanned(this, new ItemScannedEventHandlerArgs(cart.Total));
}
}
public override void Apply(Cart cart)
{
if (policy != null)
{
policy.Apply(cart);
}
var discount = 0M;
foreach (var rule in RuleCollection)
{
discount += rule.GetDiscount(cart);
}
cart.Total = cart.Total - discount;
}