public ActionResult Index(RegistrationModel registrationModel)
{
if (!String.IsNullOrWhiteSpace(registrationModel.UserIdText))
{
viewModel.CourseListItems = new List <SelectListItem>();
if (registrationModel.SelectedCourseNumber != null)
{
viewModel.SelectedCourseNumber = registrationModel.SelectedCourseNumber;
viewModel.UserIdText = registrationModel.UserIdText;
Course selectedCourse = viewModel.Courses.Where(c => c.CourseNumber == viewModel.SelectedCourseNumber).Single();
generateCourseList();
if (!(viewModel.TotalCredits + selectedCourse.Credits > 9))
{
if (!viewModel.RegisteredCourses.Select(c => c.CourseNumber).Contains(selectedCourse.CourseNumber))
{
viewModel.RegisteredCourses.Add(new RegisteredCourse(viewModel.UserIdText, viewModel.SelectedCourseNumber));
viewModel.SaveChanges();
viewModel.UserMessage = $"{selectedCourse.CourseNumber} registered!";
}
else
{
viewModel.UserMessage = "Cannot select same course more than once.";
}
}
else
{
viewModel.UserMessage = "Cannot register for more than 9 credits!";
}
}
else
{
viewModel.UserMessage = "Please select a course";
}
generateCourseList();
return(View(viewModel));
}
else
{
viewModel.UserMessage = "Please enter user id.";
generateCourseList();
return(View(viewModel));
}
}