moodle/moodle
3
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-08-07 09:56:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

global search review and extension for physical files

Browse source
This commit is contained in:
diml 2007-07-09 21:12:16 +00:00
parent cf0b12ac83
commit 2f338ab5b0
28 changed files with 3903 additions and 1485 deletions
Download patch file Download diff file Expand all files Collapse all files

190
search/delete.php
View file

@ -1,94 +1,132 @@
<?php
/**
* Global Search Engine for Moodle
* Michael Champanis (mchampan) [cynnical@gmail.com]
* review 1.8+ : Valery Fremaux [valery.fremaux@club-internet.fr]
* 2007/08/02
*
* Asynchronous index cleaner
*
* Major chages in this review is passing the xxxx_db_names return to
* multiple arity to handle multiple document types modules
*/
require_once('../config.php');
require_once("$CFG->dirroot/search/lib.php");
require_once('../config.php');
require_once("$CFG->dirroot/search/lib.php");
require_login();
require_login();
if (empty($CFG->enableglobalsearch)) {
error('Global searching is not enabled.');
}
if (empty($CFG->enableglobalsearch)) {
error(get_string('globalsearchdisabled', 'search'));
}
if (!isadmin()) {
error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
} //if
if (!isadmin()) {
error(get_string('beadmin', 'search'), "$CFG->wwwroot/login/index.php");
} //if
//check for php5 (lib.php)
if (!search_check_php5()) {
//check for php5 (lib.php)
if (!search_check_php5()) {
$phpversion = phpversion();
mtrace("Sorry, global search requires PHP 5.0.0 or later (currently using version $phpversion)");
exit(0);
} //if
}
require_once("$CFG->dirroot/search/indexlib.php");
require_once("$CFG->dirroot/search/indexlib.php");
$index = new Zend_Search_Lucene(SEARCH_INDEX_PATH);
$dbcontrol = new IndexDBControl();
$deletion_count = 0;
$index = new Zend_Search_Lucene(SEARCH_INDEX_PATH);
$dbcontrol = new IndexDBControl();
$deletion_count = 0;
$startcleantime = time();
mtrace('<pre>Starting clean-up of removed records...');
mtrace('Index size before: '.$CFG->search_index_size."\n");
mtrace('<pre>Starting clean-up of removed records...');
mtrace('Index size before: '.$CFG->search_index_size."\n");
if ($mods = get_records_select('modules')) {
$mods = array_merge($mods, search_get_additional_modules());
if ($mods = get_records_select('modules')) {
$mods = array_merge($mods, search_get_additional_modules());
foreach ($mods as $mod) {
//build function names
$class_file = $CFG->dirroot.'/search/documents/'.$mod->name.'_document.php';
$delete_function = $mod->name.'_delete';
$db_names_function = $mod->name.'_db_names';
$deletions = array();
if (file_exists($class_file)) {
require_once($class_file);
//if both required functions exist
if (function_exists($delete_function) and function_exists($db_names_function)) {
mtrace("Checking $mod->name module for deletions.");
$valuesArray = $db_names_function();
if ($valuesArray){
foreach($valuesArray as $values){
$where = (isset($values[5])) ? 'WHERE '.$values[5] : '';
$itemtypes = ($values[4] != '*') ? " itemtype = '{$values[4]}' AND " : '' ;
$query = "
SELECT
id,
{$values[0]}
FROM
{$CFG->prefix}{$values[1]}
$where
";
$docIds = get_records_sql($query);
$docIdList = ($docIds) ? implode("','", array_keys($docIds)) : '' ;
$table = SEARCH_DATABASE_TABLE;
$query = "
SELECT
id,
docid
FROM
{$CFG->prefix}{$table}
WHERE
doctype = '{$mod->name}' AND
$itemtypes
docid not in ('{$docIdList}')
";
$records = get_records_sql($query);
// build an array of all the deleted records
if (is_array($records)) {
foreach($records as $record) {
$deletions[] = $delete_function($record->docid, $values[4]);
}
}
}
foreach ($deletions as $delete) {
// find the specific document in the index, using it's docid and doctype as keys
$doc = $index->find("+docid:{$delete->id} +doctype:$mod->name +itemtype:{$delete->itemtype}");
// get the record, should only be one
foreach ($doc as $thisdoc) {
++$deletion_count;
mtrace(" Delete: $thisdoc->title (database id = $thisdoc->dbid, index id = $thisdoc->id, moodle instance id = $thisdoc->docid)");
//remove it from index and database table
$dbcontrol->delDocument($thisdoc);
$index->delete($thisdoc->id);
}
}
}
else{
mtrace("No types to delete.\n");
}
mtrace("Finished $mod->name.\n");
}
}
}
}
foreach ($mods as $mod) {
//build function names
$class_file = $CFG->dirroot.'/search/documents/'.$mod->name.'_document.php';
$delete_function = $mod->name.'_delete';
$db_names_function = $mod->name.'_db_names';
$deletions = array();
//commit changes
$index->commit();
if (file_exists($class_file)) {
require_once($class_file);
//update index date and index size
set_config("search_indexer_cleanup_date", $startcleantime);
set_config("search_index_size", (int)$CFG->search_index_size - (int)$deletion_count);
if (function_exists($delete_function) and function_exists($db_names_function)) {
mtrace("Checking $mod->name module for deletions.");
$values = $db_names_function();
$sql = "select id, docid from ".SEARCH_DATABASE_TABLE.
" where doctype like '$mod->name'".
" and docid not in".
" (select ".$values[0]." from ".$values[1].")";
$records = get_records_sql($sql);
//build an array of all the deleted records
if (is_array($records)) {
foreach($records as $record) {
$deletions[] = $delete_function($record->docid);
} //foreach
} //if
foreach ($deletions as $delete) {
//find the specific document in the index, using it's docid and doctype as keys
$doc = $index->find("+docid:$delete +doctype:$mod->name");
//get the record, should only be one
foreach ($doc as $thisdoc) {
++$deletion_count;
mtrace(" Delete: $thisdoc->title (database id = $thisdoc->dbid, index id = $thisdoc->id, moodle instance id = $thisdoc->docid)");
//remove it from index and database table
$dbcontrol->delDocument($thisdoc);
$index->delete($thisdoc->id);
} //foreach
} //foreach
mtrace("Finished $mod->name.\n");
} //if
} //if
} //foreach
} //if
//commit changes
$index->commit();
//update index date and index size
set_config("search_indexer_run_date", time());
set_config("search_index_size", (int)$CFG->search_index_size - (int)$deletion_count);
mtrace("Finished $deletion_count removals.");
mtrace('Index size after: '.$index->count().'</pre>');
mtrace("Finished $deletion_count removals.");
mtrace('Index size after: '.$index->count().'</pre>');
?>