rsvp.js

import Ember from 'ember';

export default Ember.Route.extend({
  actions: {
    saveModel: function() {
      Ember.RSVP.all([
        this.currentModel.save(),
        this.currentModel.get('notifications').save()
      ]).then( () => {
        this.showFlashNow('Saved Successfully!', 'success');
      }).catch( () => {
        this.showFlashNow('Saved Successfully!', 'alert');
      });
    }
  },
  deactivate: function() {
    this.currentModel.rollback();
  }
});