private static List <IDiscountPrice> getDiscountList()
{
List <IDiscountPrice> list = new List <IDiscountPrice>();
IEnumerable <Type> theList = Assembly.GetExecutingAssembly().GetTypes()
.Where(t => t.Namespace == typeof(IDiscountPrice).Namespace && !t.IsAbstract &&
t.GetInterfaces().Contains(typeof(IDiscountPrice)));
foreach (var item in theList)
{
IDiscountPrice obj = Activator.CreateInstance(item) as IDiscountPrice;
if (obj != null)
{
list.Add(obj);
}
}
return(list);
}
public OrderDTO procOrder(OrderDTO orderinfo)
{
int totalAmount = orderinfo.items
.Select(item => item.quanity * item.unitPrice)
.Sum();
IDiscountPrice d = DiscountFactory.getDiscount(orderinfo.discount, totalAmount);
if (d != null)
{
orderinfo.TotalPrice = d.calcTotalAmountbyDiscount(orderinfo.discount, totalAmount);
}
else
{
orderinfo.TotalPrice = totalAmount;
}
return(orderinfo);
}
