ghost/core/client/controllers/posts/post.js

var PostController = Ember.ObjectController.extend({
    isPublished: Ember.computed.equal('status', 'published'),
    classNameBindings: ['featured'],

    actions: {
        toggleFeatured: function () {
            var options = {disableNProgress: true},
                self = this;

            this.toggleProperty('featured');
            this.get('model').save(options).catch(function (errors) {
                self.notifications.showErrors(errors);
            });
        }
    }
});

export default PostController;