auth-test

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  myService: Ember.inject.service(),
  
  actions:{
    login(){
      this.get('myService').set('_isAuthenticated', true)
      let lastTransition = this.get('myService.lastTransition')
      if(!Ember.isBlank(lastTransition)){
        lastTransition.retry();
        this.set('myService.lastTransition', undefined)
      }
    },
    logout(){
      this.get('myService').set('_isAuthenticated', false)
      this.transitionToRoute('index')
    }
  }
});

mixins.auth.js

import Ember from 'ember';

export default Ember.Mixin.create({
  myService: Ember.inject.service(),
  
  beforeModel(transition){
    if(!this.get('myService').isAuthenticated()){
      this.get('myService').set('lastTransition', transition);
      this.transitionTo('index')
      return
    }
  }
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('my-route');
  this.route('my-route1');
  this.route('my-route2');
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({

});

routes.my-route.js

import Ember from 'ember';
import Auth from '../mixins/auth';

export default Ember.Route.extend(Auth, {
 
});

routes.my-route1.js

import Ember from 'ember';
import Auth from '../mixins/auth';

export default Ember.Route.extend(Auth, {
});

routes.my-route2.js

import Ember from 'ember';
import Auth from '../mixins/auth';

export default Ember.Route.extend(Auth, {
});

services.my-service.js

import Ember from 'ember';

export default Ember.Service.extend({
  _isAuthenticated: false, 
  
  isAuthenticated(){
   return this.get('_isAuthenticated') 
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<button onclick={{action 'login'}}/>Login</button>
<button onclick={{action 'logout'}}/>Logout</button>
<hr>
<h4>{{if myService._isAuthenticated 'Logged In' 'Not Logged In'}}</h4>
<br>
<br>
{{outlet}}
<br>
<br>
{{link-to 'my-route' 'my-route'}}
{{link-to 'my-route1' 'my-route1'}}
{{link-to 'my-route2' 'my-route2'}}

templates.index.hbs

Index

templates.my-route.hbs

my route 

templates.my-route1.hbs

my route 1

templates.my-route2.hbs

my route 2

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}