public IActionResult AddDishToCart(int dishId)
{
if (HttpContext.Session.GetInt32("Cart") == null)
{
var newCart = _cartService.AddDishToNewCart(dishId, HttpContext);
return(PartialView("_Cart", newCart));
}
else
{
var currentCart = _cartService.AddDishToExistingCart(dishId, HttpContext);
return(PartialView("_Cart", currentCart));
}
}