public function top()
{
$this->breadcrumb->add('Rating');
$this->header();
$filter = new CustomDataFilter($this->flightPage->getPosition());
$filter->fieldForeign('categories', 'name', 'airlineName');
$filter->fieldForeign('categories', 'id', 'airlineId');
$filter->fieldCalculation('rating', '(AVG(vdr_rating)+AVG(bord_rating)+AVG(service_rating))/3');
$filter->join('categories', 'id', 'airline');
$filter->condition('published', 1);
$filter->orderBy('rating', false);
$filter->groupBy('airline');
$this->flightPage->overview('/Airlines/top', 0, $filter);
$this->footer();
}
