Is there a standard practice for providing a UI into HBTM relationships?
I have a model User, and a model Training, and I need to manage both
relationships – show me all the people that have training X, but also
show me all trainings user U has. And, of course, “Lookup this user and
then add/remove trainings for this person” or “Lookup this training and
Before I go creating something from scratch I thought I’d check and see
if there’s a standard way that people have been doing it.