public IActionResult GetById(int id)
        {
            if (TokenProvider.Authorized(Context))
            {
                var item = AppDatabase.Establishments.FirstOrDefault(x => x.Id == id);
                if (item == null)
                {
                    return(HttpNotFound());
                }

                return(new ObjectResult(item));
            }
            return(new HttpStatusCodeResult(401));
        }