public RedirectToRouteResult AddRequestToCart(CartRequest cart, int requestId, string returnUrl)
        {
            Request request = unitOfWork.Requests.Requests
                              .FirstOrDefault(g => g.RequestId == requestId);

            if (request != null)
            {
                cart.AddItem(request, 1);
                //request. = Domain.Enums.State.Booked;
                //unitOfWork.Rooms.Update(room);
            }
            return(RedirectToAction("IndexRequest", new { returnUrl }));
        }