fp5.js

// index/controller.js
import Ember from 'ember';

const { Controller, set } = Ember;

export default Controller.extend({
  actions: {
    setIsBirthday(isBirthday) {
      set(this, 'user.isBirthday', isBirthday);
      user.save();
    },

    setBirthDate(birthDate) {
      set(this, 'user.birthDate', birthDate);
      user.save();
    }
  }
});