public async Task <ActionResult <object> > GetCommentByUserId(int page, int size)
        {
            bool   user_state = false;
            object comments   = null;

            if (CheckUserState() > 0)
            {
                user_state = true;
                comments   = dao.GetCommentsByUserId(long.Parse(Request.Cookies["user"]), page, size);
            }
            Dictionary <string, object> result = new Dictionary <string, object>();

            result.Add("user_state", user_state);
            result.Add("comments", comments);
            return(result);
        }