public virtual void AddProduct(Product product, double quantity, double discount = 0)
{
var orderDetails = new OrderDetails {Orders = this};
orderDetails.SetProduct(product, quantity, discount);
TotalValue += orderDetails.TotalPrice;
OrderDetails.Add(orderDetails);
}
public virtual void SetProduct(Product product, double quantity, double discount = 0)
{
Product = product;
Quantity = quantity;
Discount = discount;
TotalPrice = product.Price*quantity - discount;
}
public virtual bool RemoveProduct(Product product)
{
var orderDetails = OrderDetails.First(c => c.Product == product);
if (orderDetails == null)
{
return false;
}
OrderDetails.Remove(orderDetails);
TotalValue -= orderDetails.TotalPrice;
return true;
}