public ActionResult Edit(ManagerViewModel viewModel)
        {
            if (!ModelState.IsValid)
            {
                return View(viewModel);
            }

            var manager = new Manager()
            {
                Id = Guid.Parse(User.Identity.GetUserId()),
                Login = viewModel.Login,
                Name = viewModel.Name,
                Position = viewModel.Position
            };

            var result = _managerService.Create(manager);
            if (result)
            {
                ViewBag.Result = true;
                ViewBag.ResultMsg = "suc";
            }
            else
            {
                ViewBag.Result = false;
                ViewBag.ResultMsg = "error update your info";
            }

            return View(viewModel);
        }
        public ActionResult Edit()
        {
            var userId = Guid.Parse(User.Identity.GetUserId());
            var user = _managerService.Get(userId);

            var model = new ManagerViewModel()
            {
                Login = user?.Login ?? User.Identity.Name,
                Name = user?.Name ?? "",
                Position = user ?.Position ?? "1"
            };

            return View(model);
        }