Ember Array CP

controllers.application.js

import Ember from 'ember';

const STATES = ['REJECTED', 'APPROVED', 'REQUESTED'];

function getRandomState() {
  return STATES[Math.floor(Math.random() * STATES.length)];
}

export default Ember.Controller.extend({
  appName: 'Ember Array CP',
  
  items: Ember.A([
    { id: 1, data: {}, permission: { state: getRandomState() } },
    { id: 2, data: {}, permission: { state: getRandomState() } },
    { id: 3, data: { owner: true }, permission: { state: 'APPROVED' } },
    { id: 4, data: {}, permission: { state: getRandomState() } },
    { id: 5, data: {}, permission: { state: getRandomState() } },
    { id: 6, data: {}, permission: { state: getRandomState() } },
    { id: 7, data: {}, permission: { state: getRandomState() } },
    { id: 8, data: {}, permission: { state: getRandomState() } },
    { id: 9, data: {}, permission: { state: getRandomState() } },
    { id: 10, data: {}, permission: { state: getRandomState() } },
  ]),
  
  sortedItems: Ember.computed('items.[]', function() {
    const owner = [];
    const approved = [];
    const requested = [];
    
    this.get('items').forEach(item => {      
      if (item.data.owner && item.permission.state !== 'REJECTED') {
        owner.push(item);
      } else if (item.permission.state === 'APPROVED') {
        approved.push(item);
      } else if (item.permission.state === 'REQUESTED') {
        requested.push(item);
      }
    });

    return owner.concat(approved, requested);
  }),
  
  actions: {
    addNewItem() {
      this.get('items').pushObject({
        id: Math.floor(Math.random() * 100),
        data: { owner: false },
        permission: { state: getRandomState() },
      });
    }
  }
});

templates.application.hbs

<h1>{{appName}}</h1>

<ul>
{{#each sortedItems as |item|}}
  <li>{{item.id}} = {{item.permission.state}}</li>
{{/each}}
</ul>

<button {{action "addNewItem"}}>Add new</button>

twiddle.json

{
  "version": "0.13.1",
  "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"
  }
}