/**
* Extract and build sort orders of the search request.
*
* @param RequestInterface $request Search request.
*
* @return array
*/
private function getSortOrders(RequestInterface $request)
{
$sortOrders = [];
if ($request->getSortOrders()) {
$sortOrders = $this->sortOrderBuilder->buildSortOrders($request->getSortOrders());
}
return $sortOrders;
}
