public ActionResult UpdateChat(int id, int lastChatId)
        {
            var member = GetAuthorizedMember();

            using (var sl = new SystemLogic())
            {
                if (!sl.IsMemberOfDraft(member.Id, id))
                {
                    if (Request.IsAjaxRequest())
                    {
                        return(Json(new { success = false }));
                    }
                    return(RedirectToAction("Index"));
                }

                var newChats = ConvertToChatViewModelList(sl.GetUpdatedChatList(id, lastChatId), member.Id);

                if (Request.IsAjaxRequest())
                {
                    return(Json(new { success = true, chats = newChats }));
                }
                return(RedirectToAction("Details", new { id = id }));
            }
        }