custom.js

// app/sessions/custom.js

import Session from 'simple-auth/session';
import Ember from 'ember';
import ENV from 'hivebench-web/config/environment';

export default Session.extend({
  currentUser: null,
  setCurrentUser: function() {
    // http://emberjs.com/guides/models/finding-records/
    // GET /users?uid=XqgfssyI447zz
    this.container.lookup('store:main').find('user', { uid: authData.uid }).then(function(user) {
      this.set('currentUser', users.filterBy('uid', authData.uid)[0])
  }
  }.observes('authData.uid')
});

environment.js

// config/environment.js

if (environment === 'development') {
  ENV['simple-auth'] = {
    session: "session:custom"
  }
}

instructions.md

$ ember install:addon ember-cli-simple-auth

usage.hbs

// in a template

{{session.currentUser}}

usage.js

// in a controller method

this.session.currentUser;