public Attempt AddAttemption(User user, Problem problem)
{
var t = new Attempt(user, problem);
user.Attempts.Add(t);
AppContext.Update(user);
AppContext.Update(t);
// AppContext.SaveChanges();
return(t);
}
public void AddProblem(Teacher teacher, Problem problem)
{
teacher.MyProblems.Add(problem);
AppContext.Update(teacher);
}