public IDataResult <CartDtoForPage> GetList()
{
var result = _cartDal.GetCartProducts();
if (result.Count == 0)
{
return(new ErrorDataResult <CartDtoForPage>(Messages.CartProductNotExists));
}
return(new SuccessDataResult <CartDtoForPage>(new CartDtoForPage {
Cart = result, TotalPrice = result.Select(x => x.ProductTotalPrice).Sum(x => x)
}));
}