public ActionResult RemoveTopic(TopicPostData data)
{
var courseInDb = _context.Courses.SingleOrDefault(p => p.Id == data.courseId);
var topicInDb = _context.Topics.Include("Course").SingleOrDefault(p => p.Id == data.topicId);
if (courseInDb == null || topicInDb == null)
{
return(HttpNotFound());
}
if (topicInDb.Course == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
else
{
topicInDb.Course = null;
_context.SaveChanges();
this.AddNotification("Topic removed!", NotificationType.SUCCESS);
}
return(RedirectToAction("Details/" + data.courseId));
}
public ActionResult AddTopic(TopicPostData data)
{
var courseInDb = _context.Courses.SingleOrDefault(p => p.Id == data.courseId);
var topicInDb = _context.Topics.Include("Course").SingleOrDefault(p => p.Id == data.topicId);
if (courseInDb == null || topicInDb == null)
{
return(HttpNotFound());
}
if (topicInDb.Course == null)
{
topicInDb.Course = courseInDb;
_context.SaveChanges();
this.AddNotification("Topic added!", NotificationType.SUCCESS);
}
else
{
this.AddNotification(String.Format("{0} is already added to {1}", topicInDb.Name, topicInDb.Course.Name), NotificationType.INFO);
}
return(RedirectToAction("Details/" + data.courseId));
}