// GET: Courses/Edit/courseId
// returns edit view where a teacher can modify the course's data
public ActionResult Edit(int?courseId)
{
if (courseId == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
int id = (int)courseId;
Course course = CourseHelper.GetById(id);
if (course == null)
{
return(HttpNotFound());
}
// check if the user trying to access the course is a supervisor
var supervisors = SupervisorHelper.GetSupervisorsForCourse(id);
// if he isn't, then return him => denied
if (!supervisors.Any(x => x.UserID == CurrentWebContext.CurrentUser.UserID))
{
return(new HttpStatusCodeResult(HttpStatusCode.Forbidden));
}
// create the viewmodel
var viewModel = DetailedCourseVM.CreateDetailedCourseVMW(course, supervisors);
ViewBag.CountOfPendingStudents = ParticipantHelper.GetCountOfPendingParticipants(id);
return(View(viewModel));
}
public ActionResult Edit([Bind(Include = "CourseID,CourseName,CourseDescription,CreatorID, Supervisors, Participants, Lectures")] DetailedCourseVM model)
{
if (ModelState.IsValid)
{
var course = new Course()
{
CourseID = model.CourseID, CourseName = model.CourseName, CourseDescription = model.CourseDescription, CreatorID = model.CreatorID, Creator = model.Creator
};
course.Update();
}
return(RedirectToAction("Index", new { userId = CurrentWebContext.CurrentUser.UserID }));
}
// GET: Courses/Details/courseId
// returns details view with all related data depending on the logged in user
public ActionResult Details(int?courseId)
{
if (courseId == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
// cast nullable int
int id = (int)courseId;
Course course = CourseHelper.GetById(id);
if (course == null)
{
return(HttpNotFound());
}
DetailedCourseVM viewModel = null;
// check if the current user is a student and setup accordingly the view model
if (CurrentWebContext.CurrentUser.Type == "student")
{
ViewBag.IsParticipant = false;
viewModel = new DetailedCourseVM(course);
viewModel.Lectures = LectureHelper.GetLecturesForCourse(course.CourseID);
// get the type of student for this course
ViewBag.StatusOfStudent = CourseHelper.GetStudentStatusForCourse(CurrentWebContext.CurrentUser.UserID, course.CourseID);
}
// check if the current user is a teacher and create the view model for him
if (CurrentWebContext.CurrentUser.Type == "teacher")
{
viewModel = DetailedCourseVM.CreateDetailedCourseVMW(course);
ViewBag.CountOfPendingStudents = ParticipantHelper.GetCountOfPendingParticipants(id);
}
return(View(viewModel));
}
