public async Task <ActionResult> UploadComment(string postId)
        {
            if (!(await Authorized()))
            {
                return(AccountLogin());
            }

            var getMentionsResult = await AccountManager.GetUserIdsAndNames();

            if (getMentionsResult.Success)
            {
                ViewBag.Mentions = getMentionsResult.UserIdsAndNames ?? new List <UserIdAndName>();
            }
            else
            {
                ViewBag.Mentions = new List <UserIdAndName>();
            }

            ViewBag.Post = PostsManager.GetPostById(UserToken, postId);
            return(View());
        }