public ActionResult ListMore(int newsId = 0, int total = 0, int page = 1)
        {
            var pageInfo = new PageInfo(AppConfigs.CommentsPageSize, page);
            var vm = new ListNewsCommentViewModel { NewsId = newsId, Total = total };

            var feedback = _commentRepository.GetNewsComments(newsId, pageInfo);
            if (feedback.Success)
            {
                vm.Comments = feedback.Data;
                vm.CurrentUserId = CurrentUser != null ? CurrentUser.UserInfo.Id : 0;
                vm.HasMore = vm.Total > pageInfo.PageSize * pageInfo.PageNo;
            }
            return View(vm);
        }
        public ActionResult List(int newsId = 0, int total = 0)
        {
            var pageInfo = new PageInfo(AppConfigs.CommentsPageSize, 1);
            var vm = new ListNewsCommentViewModel { NewsId = newsId, Total = total, HighlightComments = new List<NewsComment>() };

            var feedback = _commentRepository.GetNewsComments(newsId, pageInfo);
            var feedback2 = _commentRepository.GetHighlightNewsComments(newsId, AppConfigs.HighlightCommentNumber);
            if (feedback.Success && feedback2.Success)
            {
                vm.Comments = feedback.Data;
                vm.HighlightComments = feedback2.Data;
                vm.CurrentUserId = CurrentUser != null ? CurrentUser.UserInfo.Id : 0;
                vm.HasMore = vm.Total > pageInfo.PageSize * pageInfo.PageNo;
            }
            return View(vm);
        }
        public ActionResult Comment(NewsComment pc)
        {
            var vm = new ListNewsCommentViewModel { Comments = new List<NewsComment>(), CurrentUserId = CurrentUser.UserInfo.Id };
            if (ModelState.IsValid)
            {
                pc.PostedById = CurrentUser.UserInfo.Id;

                // Call Repository to perform insert
                var feedback = _commentRepository.InsertNewsComment(pc);
                if (feedback.Success)
                {
                    vm.Comments.Add(feedback.Data);
                    return View(vm);
                }
            }
            return View(vm);
        }