//GET: /Thread/Index
        public ActionResult Index()
        {
            var  service = new ThreadService();
            var  model   = service.GetAllThreads();
            Guid userID;

            if (User.Identity.IsAuthenticated)
            {
                userID = Guid.Parse(User.Identity.GetUserId());
            }
            else
            {
                userID = Guid.Parse("00000000-0000-0000-0000-000000000000");
            }

            ViewData["userID"] = userID;
            return(View(model));
        }