public ActionResult Index() { if (Session["userId"] == null) { return(RedirectToAction("Index", "Home")); } ViewBag.Email = Session["email"]; ViewBag.Title = "Predmeti"; int userId = (int)Session["userId"]; List <LecturerCourseViewModel> courseList = new List <LecturerCourseViewModel>(); var courseServices = new CourseServices(_courseRepository, _userRepository, _componentRepository); var courses = courseServices.GetCoursesByLecturerId(userId); if (courses != null) { foreach (var course in courses) { courseList.Add(new LecturerCourseViewModel(course)); } } return(View(courseList)); }