Newscoop\GimmeBundle\EventListener\SerializerSubscriber::onController PHP Method

    public function onController(FilterControllerEvent $event)
    {
        $request = $this->container->get('request');
        if ($configuration = $request->attributes->get('_view')) {
            if ($request->query->has('expand')) {
                $configuration->setSerializerGroups(array('details'));
            }
        }
    }