mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 14:27:22 +01:00
103 lines
3.2 KiB
PHP
103 lines
3.2 KiB
PHP
<?php
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require_once('../config.php');
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require_once("$CFG->dirroot/search/lib.php");
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require_login();
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if (empty($CFG->enableglobalsearch)) {
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error('Global searching is not enabled.');
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}
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if (!isadmin()) {
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error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
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} //if
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//check for php5 (lib.php)
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if (!search_check_php5()) {
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$phpversion = phpversion();
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mtrace("Sorry, global search requires PHP 5.0.0 or later (currently using version $phpversion)");
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exit(0);
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} //if
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require_once("$CFG->dirroot/search/indexlib.php");
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$index = new Zend_Search_Lucene(SEARCH_INDEX_PATH);
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$dbcontrol = new IndexDBControl();
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$addition_count = 0;
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$indexdate = $CFG->search_indexer_run_date;
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mtrace('<pre>Starting index update (additions)...');
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mtrace('Index size before: '.$CFG->search_index_size."\n");
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//get all modules
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if ($mods = get_records_select('modules')) {
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//append virtual modules onto array
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$mods = array_merge($mods, search_get_additional_modules());
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foreach ($mods as $mod) {
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//build include file and function names
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$class_file = $CFG->dirroot.'/search/documents/'.$mod->name.'_document.php';
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$db_names_function = $mod->name.'_db_names';
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$get_document_function = $mod->name.'_single_document';
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$additions = array();
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if (file_exists($class_file)) {
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require_once($class_file);
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//if both required functions exist
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if (function_exists($db_names_function) and function_exists($get_document_function)) {
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mtrace("Checking $mod->name module for additions.");
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$values = $db_names_function();
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$where = (isset($values[4])) ? $values[4] : '';
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//select records in MODULE table, but not in SEARCH_DATABASE_TABLE
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$sql = "select id, ".$values[0]." as docid from ".$values[1].
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" where id not in".
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" (select docid from ".SEARCH_DATABASE_TABLE." where doctype like '$mod->name')".
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" and ".$values[2]." > $indexdate".
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" $where";
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$records = get_records_sql($sql);
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//foreach record, build a module specific search document using the get_document function
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if (is_array($records)) {
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foreach($records as $record) {
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$additions[] = $get_document_function($record->id);
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} //foreach
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} //if
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//foreach document, add it to the index and database table
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foreach ($additions as $add) {
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++$addition_count;
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//object to insert into db
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$dbid = $dbcontrol->addDocument($add);
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//synchronise db with index
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$add->addField(Zend_Search_Lucene_Field::Keyword('dbid', $dbid));
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mtrace(" Add: $add->title (database id = $add->dbid, moodle instance id = $add->docid)");
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$index->addDocument($add);
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} //foreach
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mtrace("Finished $mod->name.\n");
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} //if
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} //if
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} //foreach
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} //if
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//commit changes
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$index->commit();
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//update index date and size
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set_config("search_indexer_run_date", time());
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set_config("search_index_size", (int)$CFG->search_index_size + (int)$addition_count);
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//print some additional info
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mtrace("Added $addition_count documents.");
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mtrace('Index size after: '.$index->count().'</pre>');
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?>
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