public ActionResult RemoveTrainer(TrainerPostData data)
{
var topicInDb = _context.Topics.SingleOrDefault(p => p.Id == data.topicId);
var trainerInDb = _context.UserInfoes
.OfType <TrainerInfo>()
.Include("Topics")
.SingleOrDefault(p => p.UserId == data.userId);
if (topicInDb == null || trainerInDb == null)
{
return(HttpNotFound());
}
if (trainerInDb.Topics.SingleOrDefault(p => p.Id == topicInDb.Id) != null)
{
trainerInDb.Topics.Remove(topicInDb);
_context.SaveChanges();
this.AddNotification("Trainer removed!", NotificationType.SUCCESS);
}
else
{
this.AddNotification("Trainer not found", NotificationType.ERROR);
}
return(RedirectToAction("Details/" + data.topicId));
}
public ActionResult AddTrainer(TrainerPostData data)
{
var topicInDb = _context.Topics.SingleOrDefault(p => p.Id == data.topicId);
var trainerInDb = _context.UserInfoes
.OfType <TrainerInfo>()
.Include("Topics")
.Include("User")
.SingleOrDefault(p => p.UserId == data.userId);
if (topicInDb == null || trainerInDb == null)
{
return(HttpNotFound());
}
if (trainerInDb.Topics.SingleOrDefault(p => p.Id == topicInDb.Id) != null)
{
this.AddNotification(String.Format("{0} is already added to {1}", trainerInDb.User.UserName, topicInDb.Name), NotificationType.INFO);
}
else
{
trainerInDb.Topics.Add(topicInDb);
_context.SaveChanges();
this.AddNotification("Trainee added!", NotificationType.SUCCESS);
}
return(RedirectToAction("Details/" + data.topicId));
}
