public JsonResult Add(CourseViewModel input)
{
// Validate model state
if (!ModelState.IsValid)
return Json(new { error = true, message = "There were errors in the submission" });
// Attempt to add the course
try
{
// Build the course object
var course = new Course()
{
CourseID = input.Number,
CourseTitle = input.Name,
HoursPerWeek = input.WeeklyHours
};
// Add the course
_courseService.AddCourse(course);
}
catch (CourseExistsException)
{
// If the course already exists, display error
return Json(new { error = true, message = "Course already exists" });
}
return Json(new { error = false, message = "Course successfully created!" });
}
public PartialViewResult List()
{
// Get the selected course offerings
var courses = _courseService.GetAllCourses().OrderBy(m => m.CourseTitle).ToList();
// Update view model with the list of offerings and selected course description
var viewModel = new CourseViewModel()
{
RegisteredCourses = courses,
};
// Return a Json object with the course description and the partial view
return PartialView("_DisplayCourses", viewModel);
}
// Populate Course View Model
public CourseViewModel PopulateViewModel(CourseViewModel viewModel)
{
viewModel.RegisteredCourses = _courseService.GetAllCourses();
return viewModel;
}
