public JsonResult Index(CourseViewModel selection)
{
// Save the course
try
{
// Populate
selection = PopulateViewModel(selection);
// Validate
if (!ModelState.IsValid)
return Json(new {status = "error", message = "Validation Errors"});
// Map
var course = Mapper.Map<CourseViewModel, Course>(selection);
// Add
_courseService.AddCourse(course);
// Respond
return Json(new
{
status = "success",
message = $"{course.CourseNumber} {course.CourseName} has been created",
id = course.CourseNumber
});
}
// The course name or number already exists
catch (Exception ex) when (ex is CourseNumberNotUniqueException || ex is CourseNameNotUniqueException)
{
return Json(
new
{
status = "error",
message = "This Course Name or Number already exists"
});
}
}
public JsonResult Edit(CourseViewModel selection)
{
try
{
_courseService.EditCourse(selection.CourseNumber, selection.CourseName, selection.CourseDescription,
selection.WeeklyHours);
// Respond
return Json(new
{
status = "success",
message = $"{selection.CourseNumber} {selection.CourseName} has been edited",
id = selection.CourseNumber
});
}
catch (CourseDoesNotExistException)
{
return Json(new {status = "error", message = "Course Does not exist"});
}
catch (CourseNameNotUniqueException)
{
return Json(new {status = "error", message = "The Course Name must be Unique"});
}
}
/// <summary>
/// Populates the view model.
/// </summary>
/// <param name="courseViewModel">The course view model.</param>
/// <returns></returns>
private CourseViewModel PopulateViewModel(CourseViewModel courseViewModel)
{
courseViewModel.Courses = _courseService.GetCourses;
return courseViewModel;
}
/// <summary>
/// Return a partial view for the Add Course form
/// </summary>
/// <param name="courseNumber">The course number.</param>
/// <returns></returns>
public PartialViewResult Add(string courseNumber = null)
{
var course = _courseService.GetCourses.SingleOrDefault(c => c.CourseNumber == courseNumber);
if (course == null) return PartialView("_addCourseContent", new CourseViewModel());
var vm = new CourseViewModel
{
CourseDescription = course.CourseDescription,
WeeklyHours = course.WeeklyHours,
CourseNumber = course.CourseNumber,
CourseName = course.CourseName,
IsEdit = true
};
return PartialView("_addCourseContent", vm);
}