New Twiddle

adapters.application.js

import DS from 'ember-data';

export default DS.RESTAdapter;

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  saveUser(user) {
    Ember.run.debounce(user, 'save', 250);
  },
  
  actions: {
    saveName(user, event) {
      user.set('name', event.target.value);
      this.saveUser(user);
    },

    saveCoolness(user, event) {
      user.set('isCool', event.target.checked);
      this.saveUser(user);
    },

    saveDescription(user, event) {
      user.set('description', event.target.value);
      this.saveUser(user);
    }
  }
});

application.route.js

import Ember from 'ember';

$.mockjax({
  type: 'GET',
  url: '/users/314',
  status: '200',
  dataType: 'json',
  responseText: {
    user: {
      id: '314',
      isCool: true,
      name: "Bob",
      description: "He's a great guy."
    }
  }
});

$.mockjax({
  type: 'PUT',
  url: '/users/314',
  status: '200',
  dataType: 'json',
  responseText: {}
});

export default Ember.Route.extend({
  model() {
    return this.store.findRecord('user', '314');
  }
});

application.template.hbs

<h1>
	Editing user
  {{#if model.isSaving}}
    <span style="font-size: 0.5em">(Saving...)</span>
  {{/if}}
</h1>

<hr>

<p>
  Name:
  <input value={{model.name}}
         oninput={{action 'saveName' model}}>
</p>

<p>
  Are they cool?
  <input type="checkbox"
         checked={{model.isCool}}
         onchange={{action 'saveCoolness' model}}>
</p>

<p>
  Description:
  <textarea value={{model.description}}
            oninput={{action 'saveDescription' model}}>
  </textarea>
</p>

models.user.js

import DS from 'ember-data';

export default DS.Model.extend({
  isCool: DS.attr(),
  name: DS.attr(),
  description: DS.attr()
});

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "jquery-mockjack": "https://cdnjs.cloudflare.com/ajax/libs/jquery-mockjax/1.5.3/jquery.mockjax.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}