public ActionResult AddSubject(string subjectName) { User user = CheckAuthentication(Request.Cookies[id]); if (user == null) { return(RedirectToAction("Authorize")); } else { if (!string.IsNullOrWhiteSpace(subjectName)) { Subject subj = new Subject(subjectName); subjectRepo.AddSubject(subj); return(new EmptyResult()); } else { return(new HttpStatusCodeResult(HttpStatusCode.BadRequest)); } } }