protected function translateFilters(CriteriaList $filter_criteria_list)
{
$elasticsearch_filters = [];
foreach ($filter_criteria_list as $criteria) {
if ($criteria instanceof CriteriaContainerInterface) {
$operator = $criteria->getOperator();
$filters = $this->translateFilters($criteria->getCriteriaList());
if (!empty($filters)) {
if (isset($elasticsearch_filters[$operator])) {
$elasticsearch_filters[] = array_merge_recursive($elasticsearch_filters[$operator], $filters);
} else {
$elasticsearch_filters[] = $filters;
}
}
} elseif ($criteria instanceof AttributeCriteria) {
$elasticsearch_filters[] = $this->buildFilterFor($criteria);
} elseif ($criteria instanceof RangeCriteria) {
$elasticsearch_filters[] = $this->buildRangeFilterFor($criteria);
} elseif ($criteria instanceof SpatialCriteria) {
$elasticsearch_filters[] = $this->buildSpatialFilterFor($criteria);
} elseif ($criteria instanceof CustomCriteria) {
$elasticsearch_filters[] = $criteria->getQueryPart();
} else {
throw new RuntimeError(sprintf('Invalid criteria type %s given to %s', get_class($criteria), static::CLASS));
}
}
if (count($elasticsearch_filters)) {
return [$filter_criteria_list->getOperator() => $elasticsearch_filters];
} else {
return [];
}
}
