Languages

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  languages: [
    {
    	"id": 1,
      "code": "en"
    },
    {
    	"id": 2,
      "code": "es"
    },
    {
    	"id": 3,
      "code": "fr"
    },
    {
    	"id": 4,
      "code": "de"
    }
  ],
  userLanguages: [
    {
    	"id": 1,
      "code": "en"
    },
    {
    	"id": 2,
      "code": "es"
    }
  ],
  languagesCodes: Ember.computed.mapBy('languages', 'code'),
  userLanguagesCodes: Ember.computed.mapBy('userLanguages', 'code'),
  diff: Ember.computed.setDiff('languagesCodes', 'userLanguagesCodes'),
  hasAllLanguages: Ember.computed.empty('diff'),
  
});

helpers.language.js

import Ember from 'ember';

export function language(params/*, hash*/) {
   switch (params[0]) {
    case 'en':
      return "English";
    case 'es':
      return "Spanish";
    case 'fr':
      return "French";
    case 'de':
      return "German";
    case 'it':
      return "Italian";
    case 'pt':
      return "Portuguese";
    default:
      return null;
  }
}

export default Ember.Helper.helper(language);

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

{{#each diff as |item|}}
	<li>{{item}}</li>
{{/each}}

{{hasAllLanguages}}

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {}
}