pusher_callback

var pusher = new Pusher('APP_KEY');

var eventName = 'new-comment';
var callback = function(data) {
  var applicationRoute = App.__container__.lookup('route:application');
  Em.A(data).map(function(comment){
    applicationRoute.findModel( "post", comment.post_id );
    post.comments.push(App.Comment.create(comment));
  });
};
pusher.bind(eventName, callback);