validator ember-data

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions: {
  	validate(){
			return this.get('model').validate();
		}
	}
});

models.invoice.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

import { validator, buildValidations } from 'ember-cp-validations';

const Validations = buildValidations({
  system: validator('belongs-to'),
  lines: validator('has-many')
});

export default Model.extend(
  Validations, {
  system: belongsTo('system'),
  lines: hasMany('line')
});

models.line.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

import { validator, buildValidations } from 'ember-cp-validations';

const Validations = buildValidations({
  name: validator('presence', true)
});


export default Model.extend(
  Validations, {
  name: attr('string')
});

models.system.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

import { validator, buildValidations } from 'ember-cp-validations';

const Validations = buildValidations({
  name: validator('length', {
    max: 10
  })
});

export default Model.extend(
  Validations, {
  name: attr('string')
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  
  model() {
    let line = this.store.createRecord('line'),
    	system = this.store.createRecord('system'),
      invoice = this.store.createRecord('invoice');
    invoice.set('system', system);
    line.set('name', 'An invoice line');
    invoice.get('system').set('name', 'foooo');
    invoice.get('lines').pushObject(line);
    return invoice;
  }
});

templates.application.hbs

System Name: <input value = {{model.system.name}}/>
<br>
=======================================================

<div>
Lines:
  {{#each model.lines as |line|}}
    <div> 
      name: <input value={{line.name}}/>
    </div>
  {{/each}}
</div>

<button {{action 'validate'}}>Validate</button>


<table>
	<tr>
		<th> Property </th>
    <th> Value </th>
  </tr>
	<tr>
  	<td><pre>model.lines.firstObject.validations.isValid</pre></td>
    <td>{{model.lines.firstObject.validations.isValid}}</td>
  </tr>
  <tr>
  	<td><pre>model.system.validations.isValid</pre></td>
    <td>{{model.system.validations.isValid}}</td>
  </tr>
  <tr>
  	<td><pre>model.validations.isValid</pre></td>
    <td>{{model.validations.isValid}}</td>
  </tr>
</table>

{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1",
    "ember-cp-validations": "3.3.2"
  }
}