mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 14:27:22 +01:00
94 lines
2.9 KiB
PHP
94 lines
2.9 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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$deletion_count = 0;
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mtrace('<pre>Starting clean-up of removed records...');
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mtrace('Index size before: '.$CFG->search_index_size."\n");
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if ($mods = get_records_select('modules')) {
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$mods = array_merge($mods, search_get_additional_modules());
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foreach ($mods as $mod) {
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//build function names
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$class_file = $CFG->dirroot.'/search/documents/'.$mod->name.'_document.php';
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$delete_function = $mod->name.'_delete';
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$db_names_function = $mod->name.'_db_names';
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$deletions = array();
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if (file_exists($class_file)) {
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require_once($class_file);
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if (function_exists($delete_function) and function_exists($db_names_function)) {
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mtrace("Checking $mod->name module for deletions.");
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$values = $db_names_function();
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$sql = "select id, docid from ".SEARCH_DATABASE_TABLE.
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" where doctype like '$mod->name'".
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" and docid not in".
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" (select ".$values[0]." from ".$values[1].")";
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$records = get_records_sql($sql);
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//build an array of all the deleted records
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if (is_array($records)) {
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foreach($records as $record) {
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$deletions[] = $delete_function($record->docid);
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} //foreach
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} //if
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foreach ($deletions as $delete) {
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//find the specific document in the index, using it's docid and doctype as keys
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$doc = $index->find("+docid:$delete +doctype:$mod->name");
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//get the record, should only be one
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foreach ($doc as $thisdoc) {
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++$deletion_count;
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mtrace(" Delete: $thisdoc->title (database id = $thisdoc->dbid, index id = $thisdoc->id, moodle instance id = $thisdoc->docid)");
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//remove it from index and database table
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$dbcontrol->delDocument($thisdoc);
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$index->delete($thisdoc->id);
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} //foreach
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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 index size
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set_config("search_indexer_run_date", time());
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set_config("search_index_size", (int)$CFG->search_index_size - (int)$deletion_count);
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mtrace("Finished $deletion_count removals.");
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mtrace('Index size after: '.$index->count().'</pre>');
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?>
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