http://stackoverflow.com/questions/38333523/how-to-store-emberjs-input-value-in-object-or-array-on-the-controller

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  inputData:{'1000': "data from first input", '1001': "data from second input",'1002': "data from third input"},  
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    return [{id:'1000'},{id:'1001'},{id:'1002'}];
  },
  setupController(controller,model){
    this._super(...arguments);
    controller.set('solutionTypes',model);
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<h1> One way binding </h1>
{{#each solutionTypes as |solutionType|}}
 {{input value=(get inputData (get solutionType 'id')) }}
{{/each}}
<h2> Two way binding </h2>
{{#each solutionTypes as |solutionType|}}
 {{input value=(mut (get inputData (get solutionType 'id'))) }}
{{/each}}
<br>
{{#each solutionTypes as |solutionType|}}
<br />
 <span> {{get inputData (get solutionType 'id')}} </span>
 {{/each}}
 <br />
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.0",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.0"
  },
  "addons": {}
}