public double calculateDiscount(cart MyShoppingCart)
{
double discount = 0;
foreach (var Discount in MyShoppingCart.Discounts)
{
if (Discount.Type == DiscountType.noDiscount)
{
discount += 0.0;
}
if (Discount.Type == DiscountType.perCart)
{
discount += calTotal.calculateTotal(MyShoppingCart) * Discount.Percentage;
}
foreach (var item in MyShoppingCart.Items)
{
if (Discount.Type == DiscountType.perItem && item.HasDiscount)
{
discount += item.Item.Price * item.Discount * item.Quantity;
}
else if (Discount.Type == DiscountType.perType && item.HasDiscount)
{
discount += item.Item.Price * item.Discount;
}
}
}
return(discount);
}
public double calculateTotal(cart myShoppingCart)
{
double total = 0;
foreach (var item in myShoppingCart.Items)
{
total += item.Item.Price * item.Quantity;
}
return(total);
}
public double calculateTaxes(cart MyShoppingCart)
{
double taxes = 0;
foreach (var item in MyShoppingCart.Items)
{
taxes += item.Item.Price * item.Item.Taxe * item.Quantity;
}
return(taxes);
}
public double calculatePayment(cart MyShoppingCart)
{
double bills = calTotal.calculateTotal(MyShoppingCart) + calTaxes.calculateTaxes(MyShoppingCart) - calDiscount.calculateDiscount(MyShoppingCart);
return(bills * exRate.ExchangeCurrency(MyShoppingCart.Currency));
}
public void AddDiscount(cart MyShoppingCart, discount discount)
{
throw new NotImplementedException();
}
public List <cartItem> GetItems(cart MyShoppingCart)
{
return(MyShoppingCart.Items);
}
public void AddItem(cart MyShoppingCart, cartItem item)
{
MyShoppingCart.Items.Add(item);
}