I have a many to one relationship I'm trying to model with Backbone-Forms that I can't get to work. The idea is that there are many foos that are attached to a single bar. The catch is every bar ...

The project uses marionette-rails, backbone-on-rails, select2-rails and this port to BackboneForms to provide a multiselect form field. The select options are available to the user. They are retrie...