public IActionResult Index() { var users = UserBL.GetAllUsersSync(_userRepository); if (users.Any()) { return(View(new UsersViewModel { Users = users.ToList() })); } List <User> usersFromJson = new GetUsersFromJson("users.json").Execute(); UserBL.AddManyUsersSync(usersFromJson, _userRepository); users = usersFromJson.ToList(); return(View(new UsersViewModel { Users = users.ToList() })); }