/**
* Returns Piwik code (if active) or empty string if not.
*
* @param \Finna\Search\MetaLib\Results $results MetaLib search results
*
* @return string
*/
public function __invoke($results = null)
{
$this->results = $results;
$viewModel = $this->getView()->plugin('view_model');
if ($current = $viewModel->getCurrent()) {
$children = $current->getChildren();
if (isset($children[0]) && isset($children[0]->disablePiwik) && $children[0]->disablePiwik) {
return '';
}
}
return parent::__invoke();
}
