ember-data-partial-model

Ember-data-partial-model

This addon adds support for partial records to Ember Data. Lets say your api for /users returns a shallow model like:

[ { id:1, name: 'BMac'}, {id:2, name:'Seb'}]

but /users/1 returns a detailed model

{ id:1,
  name: 'BMac'
  twitter: 'seb'
}

You can use this addon to define your User model as:

import { PartialModel, partial } from 'ember-data-partial-model/utils/model';
const { attr } = DS;

export default PartialModel.extend({
  name: attr(),
  extended: partial('user', 'extended', {
    twitter: attr()
  })
});

This addon will modify your application adapter/serializer, so that accessing user.get('extended') or any of the extended properties will trigger a request for the detailed model. For example:

let users = await store.find('user'); //goes to /users
let user = users.objectAt(1);

user.get('extended') //goes to /users/1, returns a promise
user.get('twitter') //goes to /users/1, but is just an alias, so returns null initially, should not do in app code

Thus you are safe from race conditions when rendering users, even if you have not loaded the full user In your template you can do

{{user.twitter}}

and it will populate once the full user is loaded

Installation

• git clone this repository
• npm install
• bower install

Running

• ember server
• Visit your app at http://localhost:4200.

Running Tests

• ember test
• ember test --server

Building

• ember build

For more information on using ember-cli, visit http://www.ember-cli.com/.