public double Calculate(Purchase purchase)
{
var discount = _priceTable.DiscountTo(purchase.Value);
var shipping = _deliveryService.Calculate(purchase.City);
return(purchase.Value * (1 - discount) + shipping);
}
private double CalculateDelivery(CartDto cart)
{
return(_deliveryService.Calculate(cart, _costPerDelivery, _costPerProduct, _fixedCost));
}