Addresses the tracker MDL - 18638 and MDL 18474

This commit is contained in:
diml
2009-03-23 21:00:30 +00:00
parent b8fdbda122
commit 964a5e92cc
3 changed files with 306 additions and 276 deletions
+63 -49
View File
@@ -7,6 +7,7 @@
* @subpackage search_engine
* @author Michael Champanis (mchampan) [[email protected]], Valery Fremaux [[email protected]] > 1.8
* @date 2008/03/31
* @version prepared for 2.0
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*
* Asynchronous index cleaner
@@ -14,26 +15,38 @@
* Major chages in this review is passing the xxxx_db_names return to
* multiple arity to handle multiple document types modules
*/
/**
* includes and requires
*/
require_once('../config.php');
require_once("$CFG->dirroot/search/lib.php");
require_once("$CFG->dirroot/search/indexlib.php");
/// makes inclusions of the Zend Engine more reliable
$separator = (array_key_exists('WINDIR', $_SERVER)) ? ';' : ':' ;
ini_set('include_path', $CFG->dirroot.'/search'.$separator.ini_get('include_path'));require_login();
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from the cron script
}
global $DB;
/// makes inclusions of the Zend Engine more reliable
ini_set('include_path', $CFG->dirroot.PATH_SEPARATOR.'search'.PATH_SEPARATOR.ini_get('include_path'));
require_once($CFG->dirroot.'/search/lib.php');
require_once($CFG->dirroot.'/search/indexlib.php');
/// checks global search activation
// require_login();
if (empty($CFG->enableglobalsearch)) {
print_error('globalsearchdisabled', 'search');
}
/*
Obsolete with the MOODLE INTERNAL check
if (!has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) {
print_error('beadmin', 'search', get_login_url());
} //if
}
*/
try {
$index = new Zend_Search_Lucene(SEARCH_INDEX_PATH);
@@ -44,74 +57,75 @@
$dbcontrol = new IndexDBControl();
$deletion_count = 0;
$startcleantime = time();
mtrace('Starting clean-up of removed records...');
mtrace('Index size before: '.$CFG->search_index_size."\n");
/// check all modules
if ($mods = get_records_select('modules')) {
$mods = array_merge($mods, search_get_additional_modules());
if ($mods = search_collect_searchables(false, true)){
foreach ($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] : '';
$where = (!empty($values[5])) ? 'WHERE '.$values[5] : '';
$itemtypes = ($values[4] != '*' && $values[4] != 'any') ? " itemtype = '{$values[4]}' AND " : '' ;
$query = "
SELECT
SELECT
id,
{$values[0]}
FROM
{" . $values[1] . "}
$where
FROM
{{$values[1]}}
$where
";
$docIds = get_records_sql($query);
$docIdList = ($docIds) ? implode("','", array_keys($docIds)) : '' ;
$table = SEARCH_DATABASE_TABLE;
$query = "
SELECT
id,
docid
FROM
{" . $table . "}
WHERE
doctype = '{$mod->name}' AND
$itemtypes
docid not in ('{$docIdList}')
";
$records = get_records_sql($query);
$docIds = $DB->get_records_sql($query, array());
if (!empty($docIds)){
$table = SEARCH_DATABASE_TABLE;
list($usql, $params) = $DB->get_in_or_equal(array_keys($docIds), SQL_PARAMS_QM, 'param0000', false); // negative IN
$query = "
SELECT
id,
docid
FROM
{{$table}}
WHERE
doctype = '{$mod->name}' AND
$itemtypes
docid $usql
";
$records = $DB->get_records_sql($query, $params);
} else {
$records = array();
}
// build an array of all the deleted records
if (is_array($records)) {
foreach($records as $record) {
$deletions[] = $delete_function($record->docid, $values[4]);
}
foreach($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);
@@ -126,17 +140,17 @@
}
}
}
/// commit changes
$index->commit();
/// 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);
set_config('search_indexer_cleanup_date', $startcleantime);
set_config('search_index_size', (int)$CFG->search_index_size - (int)$deletion_count);
mtrace("Finished $deletion_count removals.");
mtrace('Index size after: '.$index->count());
?>
?>
+173 -169
View File
@@ -7,6 +7,7 @@
* @subpackage search_engine
* @author Michael Champanis (mchampan) [[email protected]], Valery Fremaux [[email protected]] > 1.8
* @date 2008/03/31
* @version prepared for 2.0
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*
* The query page - accepts a user-entered query string and returns results.
@@ -30,196 +31,195 @@
* All articles written by Helen Foster
*
*/
/**
* includes and requires
*/
require_once('../config.php');
require_once("$CFG->dirroot/search/lib.php");
require_once($CFG->dirroot.'/search/lib.php');
if ($CFG->forcelogin) {
require_login();
}
if (empty($CFG->enableglobalsearch)) {
print_error('globalsearchdisabled', 'search');
}
$adv = new Object();
/// check for php5, but don't die yet (see line 52)
require_once("{$CFG->dirroot}/search/querylib.php");
require_once($CFG->dirroot.'/search/querylib.php');
$page_number = optional_param('page', -1, PARAM_INT);
$pages = ($page_number == -1) ? false : true;
$advanced = (optional_param('a', '0', PARAM_INT) == '1') ? true : false;
$query_string = optional_param('query_string', '', PARAM_CLEAN);
$page_number = optional_param('page', -1, PARAM_INT);
$pages = ($page_number == -1) ? false : true;
$advanced = (optional_param('a', '0', PARAM_INT) == '1') ? true : false;
$query_string = stripslashes(optional_param('query_string', '', PARAM_CLEAN));
/**
* discard harmfull searches
*/
if (preg_match("/^[\*\?]+$/", $query_string)){
$query_string = '';
$error = get_string('fullwildcardquery','search');
}
/// discard harmfull searches
if (!isset($CFG->block_search_utf8dir)){
set_config('block_search_utf8dir', 1);
}
/// discard harmfull searches
if ($pages && isset($_SESSION['search_advanced_query'])) {
// if both are set, then we are busy browsing through the result pages of an advanced query
$adv = unserialize($_SESSION['search_advanced_query']);
} elseif ($advanced) {
// otherwise we are dealing with a new advanced query
unset($_SESSION['search_advanced_query']);
session_unregister('search_advanced_query');
if (preg_match("/^[\*\?]+$/", $query_string)){
$query_string = '';
$error = get_string('fullwildcardquery','search');
}
// chars to strip from strings (whitespace)
$chars = " \t\n\r\0\x0B,-+";
if ($pages && isset($_SESSION['search_advanced_query'])) {
// if both are set, then we are busy browsing through the result pages of an advanced query
$adv = unserialize($_SESSION['search_advanced_query']);
} elseif ($advanced) {
// otherwise we are dealing with a new advanced query
unset($_SESSION['search_advanced_query']);
session_unregister('search_advanced_query');
// chars to strip from strings (whitespace)
$chars = " \t\n\r\0\x0B,-+";
// retrieve advanced query variables
$adv->mustappear = trim(optional_param('mustappear', '', PARAM_CLEAN), $chars);
$adv->notappear = trim(optional_param('notappear', '', PARAM_CLEAN), $chars);
$adv->canappear = trim(optional_param('canappear', '', PARAM_CLEAN), $chars);
$adv->module = optional_param('module', '', PARAM_CLEAN);
$adv->title = trim(optional_param('title', '', PARAM_CLEAN), $chars);
$adv->author = trim(optional_param('author', '', PARAM_CLEAN), $chars);
}
// retrieve advanced query variables
$adv->mustappear = trim(optional_param('mustappear', '', PARAM_CLEAN), $chars);
$adv->notappear = trim(optional_param('notappear', '', PARAM_CLEAN), $chars);
$adv->canappear = trim(optional_param('canappear', '', PARAM_CLEAN), $chars);
$adv->module = optional_param('module', '', PARAM_CLEAN);
$adv->title = trim(optional_param('title', '', PARAM_CLEAN), $chars);
$adv->author = trim(optional_param('author', '', PARAM_CLEAN), $chars);
}
if ($advanced) {
//parse the advanced variables into a query string
//TODO: move out to external query class (QueryParse?)
$query_string = '';
// get all available module types adding third party modules
$module_types = array_merge(array('all'), array_values(search_get_document_types()));
$module_types = array_merge($module_types, array_values(search_get_document_types('X_SEARCH_TYPE')));
$adv->module = in_array($adv->module, $module_types) ? $adv->module : 'all';
// convert '1 2' into '+1 +2' for required words field
if (strlen(trim($adv->mustappear)) > 0) {
$query_string = ' +'.implode(' +', preg_split("/[\s,;]+/", $adv->mustappear));
}
// convert '1 2' into '-1 -2' for not wanted words field
if (strlen(trim($adv->notappear)) > 0) {
$query_string .= ' -'.implode(' -', preg_split("/[\s,;]+/", $adv->notappear));
}
// this field is left untouched, apart from whitespace being stripped
if (strlen(trim($adv->canappear)) > 0) {
$query_string .= ' '.implode(' ', preg_split("/[\s,;]+/", $adv->canappear));
}
// add module restriction
$doctypestr = get_string('doctype', 'search');
$titlestr = get_string('title', 'search');
$authorstr = get_string('author', 'search');
if ($adv->module != 'all') {
$query_string .= " +{$doctypestr}:".$adv->module;
}
// create title search string
if (strlen(trim($adv->title)) > 0) {
$query_string .= " +{$titlestr}:".implode(" +{$titlestr}:", preg_split("/[\s,;]+/", $adv->title));
}
// create author search string
if (strlen(trim($adv->author)) > 0) {
$query_string .= " +{$authorstr}:".implode(" +{$authorstr}:", preg_split("/[\s,;]+/", $adv->author));
}
// save our options if the query is valid
if (!empty($query_string)) {
$_SESSION['search_advanced_query'] = serialize($adv);
}
}
if ($advanced) {
//parse the advanced variables into a query string
//TODO: move out to external query class (QueryParse?)
$query_string = '';
// get all available module types adding third party modules
$module_types = array_merge(array('all'), array_values(search_get_document_types()));
$module_types = array_merge($module_types, array_values(search_get_document_types('X_SEARCH_TYPE')));
$adv->module = in_array($adv->module, $module_types) ? $adv->module : 'all';
// convert '1 2' into '+1 +2' for required words field
if (strlen(trim($adv->mustappear)) > 0) {
$query_string = ' +'.implode(' +', preg_split("/[\s,;]+/", $adv->mustappear));
}
// convert '1 2' into '-1 -2' for not wanted words field
if (strlen(trim($adv->notappear)) > 0) {
$query_string .= ' -'.implode(' -', preg_split("/[\s,;]+/", $adv->notappear));
}
// this field is left untouched, apart from whitespace being stripped
if (strlen(trim($adv->canappear)) > 0) {
$query_string .= ' '.implode(' ', preg_split("/[\s,;]+/", $adv->canappear));
}
// add module restriction
$doctypestr = get_string('doctype', 'search');
$titlestr = get_string('title', 'search');
$authorstr = get_string('author', 'search');
if ($adv->module != 'all') {
$query_string .= " +{$doctypestr}:".$adv->module;
}
// create title search string
if (strlen(trim($adv->title)) > 0) {
$query_string .= " +{$titlestr}:".implode(" +{$titlestr}:", preg_split("/[\s,;]+/", $adv->title));
}
// create author search string
if (strlen(trim($adv->author)) > 0) {
$query_string .= " +{$authorstr}:".implode(" +{$authorstr}:", preg_split("/[\s,;]+/", $adv->author));
}
// save our options if the query is valid
if (!empty($query_string)) {
$_SESSION['search_advanced_query'] = serialize($adv);
}
}
// normalise page number
if ($page_number < 1) {
$page_number = 1;
}
//run the query against the index ensuring internal coding works in UTF-8
Zend_Search_Lucene_Analysis_Analyzer::setDefault(new Zend_Search_Lucene_Analysis_Analyzer_Common_Utf8());
$sq = new SearchQuery($query_string, $page_number, 10, false);
// normalise page number
if ($page_number < 1) {
$page_number = 1;
}
//run the query against the index ensuring internal coding works in UTF-8
Zend_Search_Lucene_Analysis_Analyzer::setDefault(new Zend_Search_Lucene_Analysis_Analyzer_Common_Utf8_CaseInsensitive());
$sq = new SearchQuery($query_string, $page_number, 10, false);
if (!$site = get_site()) {
redirect("index.php");
}
}
$strsearch = get_string('search', 'search');
$strquery = get_string('enteryoursearchquery', 'search');
// if ($CFG->version < 2007032200){ NOT RELIABLE
if (!function_exists('build_navigation')){
print_header("$site->shortname: $strsearch: $strquery", "$site->fullname",
"<a href=\"index.php\">$strsearch</a> -> $strquery");
} else {
$navlinks[] = array('name' => $strsearch, 'link' => "index.php", 'type' => 'misc');
$navlinks[] = array('name' => $strquery, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
$site = get_site();
print_header("$strsearch", "$site->fullname" , $navigation, "", "", true, "&nbsp;", navmenu($site));
}
// print the header
$navlinks[] = array('name' => $strsearch, 'link' => "index.php", 'type' => 'misc');
$navlinks[] = array('name' => $strquery, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
$site = get_site();
print_header("$strsearch", "$site->fullname" , $navigation, '', '', true, '&nbsp;', navmenu($site));
if (!empty($error)){
notice ($error);
}
print_box_start();
print_heading($strquery);
print_box_start();
$vars = get_object_vars($adv);
if (isset($vars)) {
foreach ($vars as $key => $value) {
// htmlentities breaks non-ascii chars
$adv->key = $value;
//$adv->$key = htmlentities($value);
}
// htmlentities breaks non-ascii chars ??
$adv->key = stripslashes($value);
//$adv->$key = stripslashes(htmlentities($value));
}
}
?>
<form id="query" method="get" action="query.php">
<?php
if (!$advanced) {
<?php
if (!$advanced) {
?>
<input type="text" name="query_string" length="50" value="<?php p($query_string) ?>" />
&nbsp;<input type="submit" value="<?php print_string('search', 'search') ?>" /> &nbsp;
<input type="text" name="query_string" length="50" value="<?php p($query_string) ?>" />&nbsp;
<input type="submit" value="<?php print_string('search', 'search') ?>" /> &nbsp;
<a href="query.php?a=1"><?php print_string('advancedsearch', 'search') ?></a> |
<a href="stats.php"><?php print_string('statistics', 'search') ?></a>
<?php
}
<?php
}
else {
print_box_start();
?>
<input type="hidden" name="a" value="<?php print $advanced; ?>"/>
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td width="240"><?php print_string('thesewordsmustappear', 'search') ?>:</td>
<td><input type="text" name="mustappear" length="50" value="<?php print $adv->mustappear; ?>" /></td>
</tr>
<tr>
<td><?php print_string('thesewordsmustnotappear', 'search') ?>:</td>
<td><input type="text" name="notappear" length="50" value="<?php print $adv->notappear; ?>" /></td>
</tr>
<tr>
<td><?php print_string('thesewordshelpimproverank', 'search') ?>:</td>
<td><input type="text" name="canappear" length="50" value="<?php print $adv->canappear; ?>" /></td>
</tr>
<tr>
<td><?php print_string('whichmodulestosearch?', 'search') ?>:</td>
<td>
<select name="module">
<?php
<?php
foreach($module_types as $mod) {
if ($mod == $adv->module) {
if ($mod != 'all'){
@@ -228,7 +228,7 @@
else{
print "<option value='$mod' selected=\"selected\">".get_string('all', 'search')."</option>\n";
}
}
}
else {
if ($mod != 'all'){
print "<option value='$mod'>".get_string('modulenameplural', $mod)."</option>\n";
@@ -236,27 +236,27 @@
else{
print "<option value='$mod'>".get_string('all', 'search')."</option>\n";
}
}
}
}
}
?>
</select>
</td>
</tr>
<tr>
<td><?php print_string('wordsintitle', 'search') ?>:</td>
<td><input type="text" name="title" length="50" value="<?php print $adv->title; ?>" /></td>
</tr>
<tr>
<td><?php print_string('authorname', 'search') ?>:</td>
<td><input type="text" name="author" length="50" value="<?php print $adv->author; ?>" /></td>
</tr>
<tr>
<td colspan="3" align="center"><br /><input type="submit" value="<?php print_string('search', 'search') ?>" /></td>
</tr>
<tr>
<td colspan="3" align="center">
<table border="0" cellpadding="0" cellspacing="0">
@@ -270,72 +270,79 @@
</table>
<?php
print_box_end();
}
}
?>
</form>
<br/>
<div class="mdl-align">
<?php
print_string('searching', 'search') . ': ';
if ($sq->is_valid_index()) {
//use cached variable to show up-to-date index size (takes deletions into account)
print $CFG->search_index_size;
}
}
else {
print "0";
}
}
print ' ';
print_string('documents', 'search');
print '.';
if (!$sq->is_valid_index() and has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) {
print '<p>' . get_string('noindexmessage', 'search') . '<a href="indexersplash.php">' . get_string('createanindex', 'search')."</a></p>\n";
}
}
?>
</div>
<?php
print_box_end();
/// prints all the results in a box
if ($sq->is_valid()) {
print_box_start();
search_stopwatch();
$hit_count = $sq->count();
print "<br />";
print $hit_count.' '.get_string('resultsreturnedfor', 'search') . " '".s($query_string)."'.";
print "<br />";
if ($hit_count > 0) {
$page_links = $sq->page_numbers();
$hits = $sq->results();
if ($advanced) {
// if in advanced mode, search options are saved in the session, so
// we can remove the query string var from the page links, and replace
// it with a=1 (Advanced = on) instead
$page_links = preg_replace("/query_string=[^&]+/", 'a=1', $page_links);
}
}
print "<ol>";
$typestr = get_string('type', 'search');
$scorestr = get_string('score', 'search');
$authorstr = get_string('author', 'search');
$searchables = search_collect_searchables(false, false);
foreach ($hits as $listing) {
$iconpath = $CFG->modpixpath.'/'.$listing->doctype.'/icon.gif';
$coursename = get_field('course', 'fullname', 'id', $listing->courseid);
foreach ($hits as $listing) {
if ($listing->doctype == 'user'){ // A special handle for users
$icon = print_user_picture ($listing->author, 0, true, 0, true, false) ;
} else {
$iconpath = $CFG->modpixpath.'/'.$listing->doctype.'/icon.gif';
$icon = "<img align=\"top\" src=\"".$iconpath."\" class=\"activityicon\" alt=\"\"/>";
}
$coursename = $DB->get_field('course', 'fullname', array('id' => $listing->courseid));
$courseword = mb_convert_case(get_string('course', 'moodle'), MB_CASE_LOWER, 'UTF-8');
$course = ($listing->doctype != 'user') ? '<strong> ('.$courseword.': \''.$coursename.'\')</strong>' : '' ;
$title_post_processing_function = $listing->doctype.'_link_post_processing';
$searchable_instance = $searchables[$listing->doctype];
if ($searchable_instance->location == 'internal'){
@@ -346,34 +353,31 @@
if (function_exists($title_post_processing_function)) {
$listing->title = $title_post_processing_function($listing->title);
}
echo "<li value='".($listing->number+1)."'><a href='"
echo "<li value='".($listing->number + 1)."'><a href='"
.str_replace('DEFAULT_POPUP_SETTINGS', DEFAULT_POPUP_SETTINGS ,$listing->url)
."'><img align=\"top\" src=\"".$iconpath
."\" class=\"activityicon\" alt=\"\"/> $listing->title</a><strong> (".$courseword.": '".$coursename."')</strong><br />\n";
// print "<li value='".($listing->number+1)."'><a href='".str_replace('DEFAULT_POPUP_SETTINGS', DEFAULT_POPUP_SETTINGS ,$listing->url)."'>$listing->title</a><br />\n"
// ."<em>".search_shorten_url($listing->url, 70)."</em><br />\n"
// ."{$typestr}: ".$listing->doctype.", {$scorestr}: ".round($listing->score, 3);
if (!empty($listing->author)){
."'>$icon $listing->title</a> $course<br />\n";
echo "{$typestr}: " . $listing->doctype . ", {$scorestr}: " . round($listing->score, 3);
if (!empty($listing->author) && !is_numeric($listing->author)){
echo ", {$authorstr}: ".$listing->author."\n"
."</li>\n";
}
}
}
echo "</ol>";
echo $page_links;
}
}
print_box_end();
?>
<div class="mdl-align">
<?php
print_string('ittook', 'search');
search_stopwatch();
search_stopwatch();
print_string('tofetchtheseresults', 'search');
?>.
</div>
<?php
}
print_box_end();
print_footer();
?>
?>
+70 -58
View File
@@ -7,6 +7,7 @@
* @subpackage search_engine
* @author Michael Champanis (mchampan) [[email protected]], Valery Fremaux [[email protected]] > 1.8
* @date 2008/03/31
* @version prepared for 2.0
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*
* Index asynchronous updator
@@ -14,29 +15,38 @@
* Major chages in this review is passing the xxxx_db_names return to
* multiple arity to handle multiple document types modules
*/
/**
* includes and requires
*/
require_once('../config.php');
require_once("$CFG->dirroot/search/lib.php");
require_once("$CFG->dirroot/search/indexlib.php");
/// makes inclusions of the Zend Engine more reliable
$separator = (array_key_exists('WINDIR', $_SERVER)) ? ';' : ':' ;
ini_set('include_path', $CFG->dirroot.'/search'.$separator.ini_get('include_path'));require_login();
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from the cron script
}
global $DB;
/// makes inclusions of the Zend Engine more reliable
ini_set('include_path', $CFG->dirroot.PATH_SEPARATOR.'search'.PATH_SEPARATOR.ini_get('include_path'));
require_once($CFG->dirroot.'/search/lib.php');
require_once($CFG->dirroot.'/search/indexlib.php');
/// checks global search activation
require_login();
// require_login();
if (empty($CFG->enableglobalsearch)) {
print_error('globalsearchdisabled', 'search');
}
/*
Obsolete with the MOODLE INTERNAL check
if (!has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) {
print_error('beadmin', 'search', get_login_url());
}
*/
try {
$index = new Zend_Search_Lucene(SEARCH_INDEX_PATH);
@@ -46,110 +56,112 @@
}
$dbcontrol = new IndexDBControl();
$update_count = 0;
$indexdate = $CFG->search_indexer_update_date;
$indexdate = @$CFG->search_indexer_update_date;
$startupdatedate = time();
/// indexing changed resources
mtrace("Starting index update (updates)...\n");
if ($mods = get_records_select('modules')) {
$mods = array_merge($mods, search_get_additional_modules());
if ($mods = search_collect_searchables(false, true)){
foreach ($mods as $mod) {
$class_file = $CFG->dirroot.'/search/documents/'.$mod->name.'_document.php';
$get_document_function = $mod->name.'_single_document';
$delete_function = $mod->name.'_delete';
$db_names_function = $mod->name.'_db_names';
$updates = array();
if (file_exists($class_file)) {
require_once($class_file);
//if both required functions exist
if (function_exists($delete_function) and function_exists($db_names_function) and function_exists($get_document_function)) {
mtrace("Checking $mod->name module for updates.");
$valuesArray = $db_names_function();
if ($valuesArray){
foreach($valuesArray as $values){
$where = (isset($values[5])) ? 'AND ('.$values[5].')' : '';
$where = (!empty($values[5])) ? 'AND ('.$values[5].')' : '';
$itemtypes = ($values[4] != '*' && $values[4] != 'any') ? " AND itemtype = '{$values[4]}' " : '' ;
//TODO: check 'in' syntax with other RDBMS' (add and update.php as well)
$table = SEARCH_DATABASE_TABLE;
$query = "
SELECT
SELECT
docid,
itemtype
FROM
{" . $table . "}
FROM
{{$table}}
WHERE
doctype = ?
$itemtypes
";
$docIds = $DB->get_records_sql_menu($query, array($mod->name));
$docIdList = ($docIds) ? implode("','", array_keys($docIds)) : '' ;
$query = "
SELECT
id,
{$values[0]} as docid
FROM
{" . $values[1] . "}
WHERE
{$values[3]} > {$indexdate} AND
id IN ('{$docIdList}')
$docIds = $DB->get_records_sql_menu($query, array($values[1]));
if (!empty($docIds)){
list($usql, $params) = $DB->get_in_or_equal(array_keys($docIds));
$query = "
SELECT
id,
$values[0] as docid
FROM
{{$values[1]}}
WHERE
$values[3] > $indexdate AND
id $usql
$where
";
$records = get_records_sql($query);
if (is_array($records)) {
foreach($records as $record) {
$updates[] = $delete_function($record->docid, $docIds[$record->docid]);
}
";
$records = $DB->get_records_sql($query, $params);
} else {
$records = array();
}
}
foreach($records as $record) {
$updates[] = $delete_function($record->docid, $docIds[$record->docid]);
}
}
foreach ($updates as $update) {
++$update_count;
//delete old document
$doc = $index->find("+docid:{$update->id} +doctype:{$mod->name} +itemtype:{$update->itemtype}");
//get the record, should only be one
foreach ($doc as $thisdoc) {
mtrace(" Delete: $thisdoc->title (database id = $thisdoc->dbid, index id = $thisdoc->id, moodle instance id = $thisdoc->docid)");
$dbcontrol->delDocument($thisdoc);
$index->delete($thisdoc->id);
}
}
//add new modified document back into index
$add = $get_document_function($update->id, $update->itemtype);
//object to insert into db
$dbid = $dbcontrol->addDocument($add);
//synchronise db with index
$add->addField(Zend_Search_Lucene_Field::Keyword('dbid', $dbid));
mtrace(" Add: $add->title (database id = $add->dbid, moodle instance id = $add->docid)");
$index->addDocument($add);
}
}
}
else{
mtrace("No types to update.\n");
}
mtrace("Finished $mod->name.\n");
}
}
}
}
}
}
}
}
//commit changes
$index->commit();
//update index date
set_config("search_indexer_update_date", $startupdatedate);
set_config('search_indexer_update_date', $startupdatedate);
mtrace("Finished $update_count updates");
?>
?>