/** * Пытается убрать кавычки из запроса * @param nc_search_language_corrector_phrase $phrase * @return boolean */ public function correct(nc_search_language_corrector_phrase $phrase) { if (!nc_search::should('RemovePhrasesOnEmptyResult')) { return false; } $orignal_phrase_text = $phrase_text = $phrase->to_string(); if (strpos($phrase_text, '"') !== false && !preg_match('/"\\S+"/u', $phrase_text)) { $phrase_text = preg_replace('/"~[\\d\\.]+/', '"', $phrase_text); // remove distance search if (nc_search_util::is_boolean_query($phrase_text) || preg_match('/[-+]/', $phrase_text)) { // there is a a phrase with several words! $phrase_text = preg_replace('/"(\\S)/u', "(\$1", $phrase_text); $phrase_text = str_replace('"', ")", $phrase_text); } else { $phrase_text = str_replace('"', "", $phrase_text); } $message = sprintf(NETCAT_MODULE_SEARCH_CORRECTION_QUOTES, $orignal_phrase_text, $phrase_text); $phrase->set_phrase($phrase_text, $message); return true; } return false; }
/** * Вспомогательный метод для составления запроса из нескольких полей * (поле «исключить страницы, на которых встречаются слова...») */ public function make_query_string($query, $exclude = false) { $query = (string) $query; if ($exclude && ($exclude = trim((string) $exclude))) { $not_op = nc_search_util::is_boolean_query($query) || nc_search_util::is_boolean_query($exclude) ? "AND NOT " : "-"; if (strpos($exclude, " ")) { $exclude = "({$exclude})"; } if (strpos($query, " ")) { $query = "({$query})"; } $query = "{$query} {$not_op}{$exclude}"; } return $query; }
/** * 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; }