gistfile1.js

MyApp.createController = SC.ObjectController.create({
  
  _store: null,
  
  content: null,
  
  userBinding: SC.Binding.from('MyApp.currentController.content').oneWay(),
  
  create: function() {
    this._store = MyApp.store.chain();
    
    var record = this._store.createRecord(MyApp.Entry, {});
    this.set('content', record);
    
    this.set('created', SC.DateTime.create());
    this.set('privacy', 'private'); 
  },

  ...