}
*/
try {
$index = new Zend_Search_Lucene(SEARCH_INDEX_PATH);
} catch (LuceneException $e) {
mtrace("Could not construct a valid index. Maybe the first indexation was never made, or files might be corrupted. Run complete indexation again.");
return;
}
$dbcontrol = new IndexDBControl();
$update_count = 0;
$indexdate = 0 + @$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());
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) {
$where = !empty($values[5]) ? 'AND (' . $values[5] . ')' : '';
if (in_array('SEARCH_TYPE_' . strtoupper($block->name), $searchabletypes)) {
$mod->location = 'internal';
$blocks_searchables[] = $block;
} else {
$documentfile = $CFG->dirroot . "/blocks/{$block->dirname}/search_document.php";
if (file_exists($documentfile)) {
$mod->location = 'blocks';
$blocks_searchables[] = $block;
}
}
}
mtrace(count($blocks_searchables) . ' blocks to search in / ' . count($blocks) . ' blocks found.');
$searchables = array_merge($searchables, $blocks_searchables);
}
/// add virtual modules onto the back of the array
$additional = search_get_additional_modules();
mtrace(count($additional) . ' additional to search in.');
$searchables = array_merge($searchables, $additional);
foreach ($searchables as $mod) {
$key = 'search_in_' . $mod->name;
if (isset($CFG->{$key}) && !$CFG->{$key}) {
mtrace("module {$key} has been administratively disabled. Skipping...\n");
continue;
}
if ($mod->location == 'internal') {
$class_file = $CFG->dirroot . '/search/documents/' . $mod->name . '_document.php';
} else {
$class_file = $CFG->dirroot . '/' . $mod->location . '/' . $mod->name . '/search_document.php';
}
if (file_exists($class_file)) {
include_once $class_file;
/**
* collects all searchable items identities
* @param boolean $namelist if true, only returns list of names of searchable items
* @param boolean $verbose if true, prints a discovering status
* @return an array of names or an array of type descriptors
*/
function search_collect_searchables($namelist = false, $verbose = true)
{
global $CFG, $DB;
$searchables = array();
$searchables_names = array();
/// get all installed modules
if ($mods = $DB->get_records('modules', null, 'name', 'id,name')) {
$searchabletypes = array_values(search_get_document_types());
foreach ($mods as $mod) {
$plugin = new StdClass();
$plugin->name = $mod->name;
$plugin->type = 'mod';
if (in_array($mod->name, $searchabletypes)) {
$plugin->location = 'internal';
$searchables[$plugin->name] = $plugin;
$searchables_names[] = $mod->name;
} else {
$documentfile = $CFG->dirroot . "/mod/{$mod->name}/search_document.php";
$plugin->location = 'mod';
if (file_exists($documentfile)) {
$searchables[$plugin->name] = $plugin;
$searchables_names[] = $mod->name;
}
}
}
if ($verbose) {
mtrace(count($searchables) . ' modules to search in / ' . count($mods) . ' modules found.');
}
}
/// collects blocks as indexable information may be found in blocks either
if ($blocks = $DB->get_records('block', null, 'name', 'id,name')) {
$blocks_searchables = array();
// prepend the "block_" prefix to discriminate document type plugins
foreach ($blocks as $block) {
$plugin = new StdClass();
$plugin->dirname = $block->name;
$plugin->name = 'block_' . $block->name;
if (in_array('SEARCH_TYPE_' . strtoupper($block->name), $searchabletypes)) {
$plugin->location = 'internal';
$plugin->type = 'block';
$blocks_searchables[$plugin->name] = $plugin;
$searchables_names[] = $plugin->name;
} else {
$documentfile = $CFG->dirroot . "/blocks/{$plugin->dirname}/search_document.php";
if (file_exists($documentfile)) {
$plugin->location = 'blocks';
$plugin->type = 'block';
$blocks_searchables[$plugin->name] = $plugin;
$searchables_names[] = $plugin->name;
}
}
}
if ($verbose) {
mtrace(count($blocks_searchables) . ' blocks to search in / ' . count($blocks) . ' blocks found.');
}
$searchables = array_merge($searchables, $blocks_searchables);
}
/// add virtual modules onto the back of the array
$additional = search_get_additional_modules($searchables_names);
if (!empty($additional)) {
if ($verbose) {
mtrace(count($additional) . ' additional to search in.');
}
$searchables = array_merge($searchables, $additional);
}
if ($namelist) {
return $searchables_names;
}
return $searchables;
}
// collects modules
if ($mods = get_records('modules', '', '', '', 'id,name')) {
$searchables = array_merge($searchables, $mods);
}
mtrace(count($searchables) . ' modules found.');
// collects blocks as indexable information may be found in blocks either
if ($blocks = get_records('block', '', '', '', 'id,name')) {
// prepend the "block_" prefix to discriminate document type plugins
foreach (array_keys($blocks) as $aBlockId) {
$blocks[$aBlockId]->name = 'block_' . $blocks[$aBlockId]->name;
}
$searchables = array_merge($searchables, $blocks);
mtrace(count($blocks) . ' blocks found.');
}
//add virtual modules onto the back of the array
$searchables = array_merge($searchables, search_get_additional_modules());
if ($searchables) {
foreach ($searchables as $mod) {
$class_file = $CFG->dirroot . '/search/documents/' . $mod->name . '_document.php';
if (file_exists($class_file)) {
include_once $class_file;
//build function names
$iter_function = $mod->name . '_iterator';
$index_function = $mod->name . '_get_content_for_index';
$counter = 0;
if (function_exists($index_function) && function_exists($iter_function)) {
mtrace("Processing module function {$index_function} ...");
$sources = $iter_function();
if ($sources) {
foreach ($sources as $i) {
$documents = $index_function($i);
