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78 lines
2.3 KiB
78 lines
2.3 KiB
<?php
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/* For licensing terms, see /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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*/
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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 $offset Offset to the first item to retrieve. Optional
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* @param int length Number of items to retrieve. Optional
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* @param array extra Extra queries to join with. Optional
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*
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* @return array
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*/
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function chamilo_query_query($query_string, $offset = 0, $length = 10, $extra = null)
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{
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list($count, $results) = xapian_query($query_string, null, $offset, $length, $extra);
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return chamilo_preprocess_results($results);
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}
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function chamilo_query_simple_query($query_string, $offset = 0, $length = 10, $extra = null)
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{
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return xapian_query($query_string, null, $offset, $length, $extra);
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}
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/**
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* Wrapper for getting boolean queries.
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*/
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function chamilo_get_boolean_query($term)
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{
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return xapian_get_boolean_query($term);
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}
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/**
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* Preprocess all results depending on the toolid.
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*/
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function chamilo_preprocess_results($results)
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{
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// group by toolid
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$results_by_tool = [];
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if (count($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 = [];
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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(), $processed_results);
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}
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}
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return [count($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 $op
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*
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* @return XapianQuery query joined
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*/
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function chamilo_join_queries($query1, $query2 = null, $op = 'or')
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{
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return xapian_join_queries($query1, $query2, $op);
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}
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