/**
* @param RequestQueryInterface $query
* @return FilterInterface[]
*/
private function getFilters($query)
{
$filters = [];
switch ($query->getType()) {
case RequestQueryInterface::TYPE_BOOL:
/** @var \Magento\Framework\Search\Request\Query\BoolExpression $query */
foreach ($query->getMust() as $subQuery) {
$filters = array_merge($filters, $this->getFilters($subQuery));
}
foreach ($query->getShould() as $subQuery) {
$filters = array_merge($filters, $this->getFilters($subQuery));
}
foreach ($query->getMustNot() as $subQuery) {
$filters = array_merge($filters, $this->getFilters($subQuery));
}
break;
case RequestQueryInterface::TYPE_FILTER:
/** @var Filter $query */
$filter = $query->getReference();
if (FilterInterface::TYPE_BOOL === $filter->getType()) {
$filters = array_merge($filters, $this->getFiltersFromBoolFilter($filter));
} else {
$filters[] = $filter;
}
break;
default:
break;
}
return $filters;
}
/**
* @param QueryInterface $query
* @return bool
*/
private function hasFilters(QueryInterface $query)
{
$hasFilters = false;
switch ($query->getType()) {
case RequestQueryInterface::TYPE_BOOL:
/** @var \Magento\Framework\Search\Request\Query\Bool $query */
foreach ($query->getMust() as $subQuery) {
$hasFilters |= $this->hasFilters($subQuery);
}
foreach ($query->getShould() as $subQuery) {
$hasFilters |= $this->hasFilters($subQuery);
}
foreach ($query->getMustNot() as $subQuery) {
$hasFilters |= $this->hasFilters($subQuery);
}
break;
case RequestQueryInterface::TYPE_FILTER:
$hasFilters |= true;
break;
default:
$hasFilters |= false;
break;
}
return $hasFilters;
}