public ActionResult ManageCourses()
 {
     CourseServices cs = new CourseServices();
     UserServices us = new UserServices();
     List<CourseModel> courses = new List<CourseModel>();
     HttpCookie loggedStudent = Request.Cookies["LoggedUser"];
     StudentModel student = us.GetStudent(loggedStudent.Values.Get("Login"));
     courses = cs.GetCourses().Where(x => x.ClassId == student.IdKlasy).ToList();
     return View(courses);
 }
 public ActionResult ManageCourses()
 {
     List<CourseModel> courses = new List<CourseModel>();
     CourseServices CourseServ = new CourseServices();
     UserServices UserServ = new UserServices();
     HttpCookie loggedTeacher = Request.Cookies["LoggedUser"];
     TeacherModel teacher = UserServ.GetTeacher(loggedTeacher.Values.Get("Login"));
     courses = CourseServ.GetCourses(teacher.IdNauczyciela);
     return View(courses);
 }