public TopicController()
{
this.ExerciseService = new ExerciseServices();
this.TopicService = new TopicsService();
}
public ActionResult ExercisesTree(string topicName)
{
var tree = new ExerciseServices().GetExercisesResolved(User.Identity.GetUserId(), topicName);
return(Json(tree, JsonRequestBehavior.AllowGet));
}