Notifable polymorphic

gistfile1.txt

App.Notifiable = DS.Model.extend({
  notifications: DS.hasMany('notification', {async: true})
});

App.User = DS.Model.extend({
  userName: DS.attr('string'),
  notifications: DS.hasMany('notification', {async: true})
});

App.Notification = DS.Model.extend({
  notifiables: DS.hasMany('notifiable', {polymorphic: true, async: true})
});

App.Dataset = DS.Model.extend({
  notifications: DS.hasMany('notification', {async: true})
});