public decimal GetSum(IDiscountProduct discount, List <IProduct> products)
{
var allowProductTypes = discount.GetAllowProductTypes();
var denyProductTypes = discount.GetDenyProductTypes();
List <IProduct> discountProducts = new List <IProduct>();
_allowProductTypes = new List <ProductType>(allowProductTypes);
decimal sum = 0;
foreach (var product in products)
{
if (_allowProductTypes.Contains(product.Type) && !denyProductTypes.Contains(product.Type) && !product.IsCalculate)
{
_allowProductTypes.Remove(product.Type);
sum += product.Price;
discountProducts.Add(product);
if (_allowProductTypes.Count == 0)
{
break;
}
}
}
if (_allowProductTypes.Count == 0)
{
foreach (var product in discountProducts)
{
product.IsCalculate = true;
}
return(sum * (1 - discount.GetDiscount() / 100));
}
return(0);
}
public decimal GetSum(IDiscountProduct discount, List <IProduct> products)
{
var denyProductTypes = discount.GetDenyProductTypes();
decimal sum = 0;
List <IProduct> discountProducts = new List <IProduct>();
foreach (var product in products)
{
if (!denyProductTypes.Contains(product.Type) && !product.IsCalculate)
{
sum += product.Price;
discountProducts.Add(product);
}
}
if (discountProducts.Count == COUNT)
{
foreach (var product in discountProducts)
{
product.IsCalculate = true;
}
return(sum * (1 - discount.GetDiscount() / 100));
}
return(0);
}
public decimal GetSum(IDiscountProduct discount, List <IProduct> products)
{
var denyProductTypes = discount.GetDenyProductTypes();
List <IProduct> discountProducts = new List <IProduct>();
decimal sum = 0;
var thisDay = DateTime.Today;
foreach (var product in products)
{
if (discount.GetBirthdayOfBuyer() == thisDay && (!denyProductTypes.Contains(product.Type) && !product.IsCalculate))
{
sum += product.Price;
discountProducts.Add(product);
}
}
foreach (var product in discountProducts)
{
product.IsCalculate = true;
}
return(sum * (1 - discount.GetDiscount() / 100));
}