/// <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;
}
public JsonResult Index(StudentViewModel viewModel)
{
try
{
// Popupate
viewModel = PopulateViewModel(viewModel);
// Validate
if (!ModelState.IsValid)
return Json(new {status = "error", message = "Validation Errors"});
// Create the Student (Bind)
var student = new StudentFromViewModelFactory(viewModel).GetStudent();
// Add the student to the student table
_courseService.AddStudentToCourseOffering(student,
viewModel.SelectedCourseOffering);
// Return success and pass along a message and the course offering ID
return
Json(
new
{
status = "success",
message = $"{student.StudentName} has been added",
id = viewModel.SelectedCourseOffering
});
}
catch (CourseOfferingDoesNotExistException)
{
return Json(new {status = "error", message = "Course Offering Does not exist."});
}
catch (StudentAlreadyInCourseOfferingException)
{
return Json(new {status = "error", message = "Student is already in this Course Offering"});
}
}
/// <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;
}