public IActionResult GetUsersTodoItems(int userId)
        {
            UsersService usersService = new UsersService(_context);
            User         user         = usersService.FindById(userId);

            if (user == null)
            {
                return(NotFound());
            }
            IEnumerable <TodoItem> todoItems = _todoItemService.GetUsersTodoItems(userId);
            var result = new ObjectResult(todoItems);

            return(result);
        }