/**
* @param Stage $qa
* @param array|null $order
* @param array|null $descriptionEntity
* @param boolean $sortForGroup
*
* @return Stage
*/
protected function generateFilterSort(Stage $qa, $order = null, $descriptionEntity = null, $sortForGroup = false)
{
$sortArgs = $this->generateArrayForFilterSort($order, $descriptionEntity, true, $sortForGroup);
if (!empty($sortArgs)) {
$qa->sort($sortArgs);
}
return $qa;
}
/**
* @param Stage $qa
*
* @return array
*/
protected function findLastVersionInLanguage(Stage $qa)
{
$elementName = 'node';
$qa->sort(array('version' => 1));
$qa->group(array('_id' => array('nodeId' => '$nodeId', 'language' => '$language'), $elementName => array('$last' => '$$ROOT')));
return $this->hydrateAggregateQuery($qa, $elementName);
}
/**
* @param Stage $qa
* @param string $elementName
* @param PaginateFinderConfiguration|null $configuration
*/
protected function generateLastVersionFilter(Stage $qa, $elementName, $configuration = null)
{
$group = array();
if (!is_null($configuration)) {
$group = $this->generateGroupForFilterSort($configuration);
}
$group = array_merge($group, array('_id' => array('contentTypeId' => '$contentTypeId'), $elementName => array('$last' => '$$ROOT')));
$qa->sort(array('version' => 1));
$qa->group($group);
}
/**
* @param Stage $qa
*
* @return int
*/
protected function countDocumentAggregateQuery(Stage $qa)
{
$qa->group(array('_id' => null, 'count' => array('$sum' => 1)));
$res = $qa->getQuery()->aggregate();
return null !== $res[0]['count'] ? $res[0]['count'] : 0;
}