New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

models.user.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";
import { buildValidations, validator } from 'ember-cp-validations';

const Validations = buildValidations({
  promise: validator('number', {
      dependentKeys: ['model.promise.content'],
      value(model) {
        console.log(model.get('promise.isFulfilled'));
        return model.get('promise.content');
      },
      allowString: false,
      integer: true,
      gt: 500
    })
});

export default DS.Model.extend(Validations, {
  value: attr('string'),
  promise: Ember.computed('value', function() {
    let promise = new Ember.RSVP.Promise((resolve) => {
      Ember.run.later(() => resolve(getRandomInt(1, 1000)), 500);
    });

    return DS.PromiseObject.create({ promise });
  })
});

function getRandomInt(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min)) + min;
}

routes.application.js

import Ember from 'ember';

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

templates.application.hbs

<p>
 Type in the input to update the PromiseObject CP.
 <br>
 <br>
 If the resolved value is less than 500, the validation should fail and should return false.
</p>

{{input value=(mut model.value) placeholder="Type here to update the promise"}}

<div>
	{{model.promise.content}} {{model.validations.attrs.promise.isValid}}
</div>

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0",
    "ember-data": "2.10.0",
    "ember-template-compiler": "2.10.0",
    "ember-testing": "2.10.0"
  },
  "addons": {
  	"ember-cp-validations": "3.1.5"
  }
}