public IHttpActionResult DeleteLecture(int lecture_id)
{
var lecture = LectureHelper.GetById(lecture_id);
var deleted = lecture.Delete();
return(Ok(new ApiCallbackMessage(deleted ? "Success" : "Falied", deleted)));
}
// GET: Lectures/courseId
public ActionResult Index(int courseId)
{
var lectures = LectureHelper.GetLecturesForCourse(courseId);
ViewBag.CourseID = courseId;
return(View(lectures));
}
public static DetailedOverviewForStudentVM CreateDetailedOverviewForStudentVM(User user, Course course)
{
var vm = new DetailedOverviewForStudentVM(user, course)
{
AttendedLectures = LectureHelper.GetAllAttendedLecturesForStudent(course.CourseID, user.UserID),
AllLectures = LectureHelper.GetLecturesForCourse(course.CourseID)
};
return(vm);
}
public static DetailedCourseVM CreateDetailedCourseVMW(Course course)
{
var vm = new DetailedCourseVM(course)
{
Supervisors = SupervisorHelper.GetSupervisorsForCourse(course.CourseID),
Lectures = LectureHelper.GetLecturesForCourse(course.CourseID),
Participants = UserHelper.GetParticipantsForCourse(course.CourseID)
};
return(vm);
}
public IHttpActionResult RescheduleLecture(int lecture_id, int times)
{
var lecture = LectureHelper.GetById(lecture_id);
for (int i = 0; i < times; i++)
{
var new_lec = new Lecture(lecture.From.AddDays(7 * (i + 1)), lecture.To.AddDays(7 * (i + 1)),
lecture.CourseID);
new_lec.Insert();
}
return(Ok(new ApiCallbackMessage("Success", true)));
}
public void AddAttendee(int lectureId, string email)
{
var user = UserHelper.GetByEmail(email);
if (user == null)
{
return;
}
var lecture = LectureHelper.GetById(lectureId);
var studentStatus = CourseHelper.GetStudentStatusForCourse(user.UserID, lecture.CourseID);
if (studentStatus == Participant.STATUS_ACTIVE)
{
var attendee = new Attendee(user.UserID, lectureId, "");
attendee.Insert();
}
}
// GET: Lectures/Edit/courseId&lectureId
public ActionResult Edit(int courseId, int?lectureId)
{
if (lectureId == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
Lecture lecture = LectureHelper.GetById((int)lectureId);
if (lecture == null)
{
return(HttpNotFound());
}
ViewBag.Attendees = AttendeeHelper.GetAttendeesForLecture((int)lectureId);
return(View(lecture));
}
// GET: Lectures/Details/courseId&lectureId
public ActionResult Details(int courseId, int?lectureId)
{
if (lectureId == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
// cast the nullable obj to int
int id = (int)lectureId;
Lecture lecture = LectureHelper.GetById(id);
if (lecture == null)
{
return(HttpNotFound());
}
ViewBag.Attendees = AttendeeHelper.GetAttendeesForLecture(id);
return(View(lecture));
}
public ActionResult Delete(int courseId, int?lectureId)
{
if (lectureId == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
Lecture lecture = LectureHelper.GetById((int)lectureId);
if (lecture == null)
{
return(HttpNotFound());
}
var success = lecture.Delete();
ViewBag.Success = success;
ViewBag.CourseID = courseId;
return(View());
}
// 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));
}
public void DeleteLecture(int lectureId)
{
LectureHelper.DeleteLecture(lectureId);
}
