/**
* Add one query to another.
*
* @param SearchQueryInterface $toQuery
* @param FieldQueryInterface $query
* @param bool|null $sign
* @return bool|SearchQueryInterface
*/
protected static function addQuery(SearchQueryInterface $toQuery, FieldQueryInterface $query, $sign = true)
{
if ($toQuery instanceof BooleanQueryInterface) {
$subQueries = $toQuery->getSubQueries();
$signs = $toQuery->getSigns();
foreach ($subQueries as $key => $subQuery) {
if ($newQuery = self::addQuery($subQuery, $query, $sign)) {
$subQueries[$key] = $newQuery;
$toQuery->setSubQueries($subQueries, $signs);
return $toQuery;
}
}
} elseif ($toQuery instanceof FieldQueryInterface) {
$equal = $toQuery->equals($query);
if ($equal === 0) {
$newQuery = new Boolean();
$newQuery->setSubQueries([$toQuery, $query], [$sign, $sign]);
return $newQuery;
} elseif ($equal === 1) {
return $toQuery;
}
}
return false;
}
