/**
* Creating a Zend\Paginator\Paginator from Elastica\ResultSet.
* This paginator can be passed directly zf-hal or whereever you want.
* This method use ElasticsearchAdapter as ArrayAdapter
*
* @param ResultSet $resultSet Elastica result data
* @return Paginator Created paginator from resultset with ElasticsearchAdapter.
*/
public function buildPaginator(Resultset $resultSet)
{
$itemsPerPage = empty($resultSet->getQuery()->getParam('size')) ? $this->getDefaultPageSize() : $resultSet->getQuery()->getParam('size');
$currentPage = (int) ceil($resultSet->getQuery()->getParam('size') / $itemsPerPage) + 1;
$results = [];
foreach ($resultSet->getResults() as $result) {
$data = $result->getData();
$data['_score'] = $result->getScore();
$results[] = $data;
}
$adapter = new ElasticsearchAdapter($results, $resultSet->getTotalHits());
$adapter->setMeta('aggs', $resultSet->getAggregations());
$paginator = new Paginator($adapter);
$paginator->setCurrentPageNumber($currentPage);
$paginator->setItemCountPerPage($itemsPerPage);
return $paginator;
}
