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76 lines
2.3 KiB
76 lines
2.3 KiB
<?php
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/* For licensing terms, see /dokeos_license.txt */
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/**
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* Script defining generic functions against a search engine api. Just only if one day the search engine changes
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* @package chamilo.include.search
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*/
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/**
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* Code
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*/
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require 'xapian/XapianQuery.php';
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/**
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* Wrapper for queries
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*
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* @param string $query_string The search string
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* @param int $offset Offset to the first item to retrieve. Optional
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* @param int lenght Number of items to retrieve. Optional
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* @param array extra Extra queries to join with. Optional
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* @return array
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*/
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function dokeos_query_query($query_string, $offset=0, $length=10, $extra=NULL) {
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list($count, $results) = xapian_query($query_string, NULL, $offset, $length, $extra);
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return dokeos_preprocess_results($results);
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}
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function dokeos_query_simple_query($query_string, $offset=0, $length=10, $extra=NULL) {
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return xapian_query($query_string, NULL, $offset, $length, $extra);
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}
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/**
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* Wrapper for getting boolean queries
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*
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* @param string $query_string The term string
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*/
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function dokeos_get_boolean_query($term) {
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return xapian_get_boolean_query($term);
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}
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/**
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* Preprocess all results depending on the toolid
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*/
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function dokeos_preprocess_results($results) {
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// group by toolid
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$results_by_tool = array();
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if (count($results)>0) {
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foreach ($results as $key => $row) {
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$results_by_tool[$row['toolid']][] = $row;
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}
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$processed_results = array();
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foreach ($results_by_tool as $toolid => $rows) {
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$tool_processor_class = $toolid .'_processor';
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$tool_processor_path = api_get_path(LIBRARY_PATH) .'search/tool_processors/'. $tool_processor_class .'.class.php';
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if (file_exists($tool_processor_path)) {
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require_once($tool_processor_path);
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$tool_processor = new $tool_processor_class($rows);
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$processed_results = array_merge($tool_processor->process(), $processed_results);
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}
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}
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return array(count($processed_results), $processed_results);
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}
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}
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/**
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* Wrapper for join xapian queries
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*
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* @param XapianQuery|array $query1
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* @param XapianQuery|array $query2
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* @param string $op
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* @return XapianQuery query joined
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*/
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function dokeos_join_queries($query1, $query2=NULL, $op='or') {
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return xapian_join_queries($query1, $query2, $op);
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} |