Ember-Data Example

ember-store.js

// <== BOOTSTRAP

var App = Ember.Application.create();

App.stateManager = Ember.StateManager.create();

DS.fixtureAdapter.createRecord = function(store, type, record) {
  var json = record.toJSON();
  json.id = 1;
  store.didCreateRecord(record, json);
};

DS.fixtureAdapter.updateRecord = function(store, type, record) {
  var json = record.toJSON();
  json.id = 1;
  store.didUpdateRecord(record, json);
};

// ==> BOOTSTRAP

App.Store = DS.Store.extend({
  revision: 4,
  adapter:  DS.fixtureAdapter
});

App.Post = DS.Model.extend({
  title:      DS.attr('string'),
  content:    DS.attr('string'),
  createdAt:  DS.attr('date'),

  comments:   DS.hasMany('App.Comment')
});

App.Post.FIXTURES = [];

App.Comment = DS.Model.extend({
  content:    DS.attr('string'),
  createdAt:  DS.attr('date'),

  post:       DS.belongsTo('App.Post')
});

App.initialize(App.stateManager);

var posts = App.Post.find();

Ember.Logger.log(posts.get('length'), "=>", 0);

var post = App.Post.createRecord({
  title: 'Hello World!',
  content: 'My content'
});

DS.defaultStore.commit();

Ember.Logger.log(posts.get('length'), "=>", 1);

var transaction1 = DS.defaultStore.transaction(),
    transaction2 = DS.defaultStore.transaction();

var comment = post.get('comments').createRecord({
  content: 'Bonjour!'
}, transaction1);

transaction2.add(post);

post.set('title', 'Oups');

Ember.Logger.log(post.get('title'), "=>", "Oups");
Ember.Logger.log(post.get('isDirty'), "=>", true);

Ember.Logger.log(comment.get('isNew'), "=>", true);

transaction1.commit();
transaction2.rollback();

Ember.Logger.log(post.get('title'), "=>", "Hello World!");
Ember.Logger.log(post.get('isDirty'), "=>", false);

Ember.Logger.log(comment.get('isNew'), "=>", false);