public ActionResult Index(StudentViewModel viewModel)
{
try
{
// Popupate
viewModel = PopulateViewModel(viewModel);
// Validate
if (!ModelState.IsValid)
return View(viewModel);
// Create the Student (Bind)
var student = new StudentFromViewModelFactory(viewModel).GetStudent();
// Add the student to the student table
_courseService.AddStudentToCourseOffering(student,
viewModel.SelectedCourseOffering);
Success($"{student.StudentName} has been added", true);
}
catch (CourseOfferingDoesNotExistException)
{
Danger("Course Offering Does not exist.");
return View(viewModel);
}
catch (StudentAlreadyInCourseOfferingException)
{
Danger("Student is already in this Course Offering");
return View(viewModel);
}
// Return with success
return RedirectToAction("Index");
}
/// <summary>
/// Populates the view model.
/// </summary>
/// <param name="viewModel">The view model.</param>
/// <returns></returns>
public StudentViewModel PopulateViewModel(StudentViewModel viewModel)
{
// Format for Select list
var options =
_courseService.GetCourseOfferings.OrderBy(offering => offering.Course.CourseName).Select(offering => new
{
offering.CourseOfferingId,
CourseOfferingTitle =
$"{offering.Course.CourseNumber} {offering.Course.CourseName} ({offering.Semester} {offering.Year})"
});
// Populate Select List
viewModel.CourseOfferingSelection = new SelectList(options, "CourseOfferingId", "CourseOfferingTitle",
viewModel.SelectedCourseOffering);
// Return view Modal
return viewModel;
}
/// <summary>
/// Initializes a new instance of the <see cref="StudentFromViewModelFactory"/> class.
/// </summary>
/// <param name="viewModel">The view model.</param>
public StudentFromViewModelFactory(StudentViewModel viewModel)
{
_viewModel = viewModel;
}