/**
* Трансформация запроса nc_search_query в запрос Lucene
* @param nc_search_query $query
* @return Zend_Search_Lucene_Search_Query
*/
protected function get_lucene_query(nc_search_query $query)
{
Zend_Search_Lucene_Search_QueryParser::suppressQueryParsingExceptions();
if ($this->get_setting('DefaultBooleanOperator') == 'AND') {
Zend_Search_Lucene_Search_QueryParser::setDefaultOperator(Zend_Search_Lucene_Search_QueryParser::B_AND);
}
$query_string = $query->to_string();
// range search for integers
if (nc_search::should('AllowRangeSearch') && strpos($query_string, ' TO ')) {
preg_match_all("/(\\[|\\{)\\s*(\\d+)\\s+TO\\s+(\\d+)\\s*(\\]|\\})/", $query_string, $matches, PREG_SET_ORDER);
foreach ($matches as $m) {
$query_string = str_replace($m[0], $m[1] . $this->pad_integer($m[2]) . " TO " . $this->pad_integer($m[3]) . $m[4], $query_string);
}
}
// add a time range should it be required
$modified_after = $query->get('modified_after');
$modified_before = $query->get('modified_before');
if ($modified_before || $modified_after) {
$modified_after = $modified_after ? strftime("%Y%m%d%H%M%S", strtotime($modified_after)) : "19000101000000";
$modified_before = $modified_before ? strftime("%Y%m%d%H%M%S", strtotime($modified_before)) : "22000101000000";
$query_string = "({$query_string}) last_modified:[{$modified_after} TO {$modified_before}]";
}
// add area
$area = $query->get('area');
if ($area) {
if (!$area instanceof nc_search_area) {
$area = new nc_search_area($area);
}
$is_boolean = nc_search_util::is_boolean_query($query_string);
$query_string = "({$query_string}) " . ($is_boolean ? " AND " : "+") . $area->get_field_condition($is_boolean);
}
// parse string into Lucene Query
$zend_query = Zend_Search_Lucene_Search_QueryParser::parse($query_string, 'UTF-8');
return $zend_query;
}
