/**
* @param int $user_id
* @param int $mail_folder_id
* @throws Exception
*/
public function search($user_id, $mail_folder_id)
{
/**
* @var $ilSetting ilSetting
* @var $ilLog ilLog
* @var $ilBench ilBenchmark
*/
global $ilBench, $ilSetting, $ilLog;
if (!$this->query_parser->getQuery()) {
throw new ilException('mail_search_query_missing');
}
$ilBench->start('Mail', 'LuceneSearch');
try {
include_once 'Services/WebServices/RPC/classes/class.ilRpcClientFactory.php';
$xml = ilRpcClientFactory::factory('RPCSearchHandler')->searchMail(CLIENT_ID . '_' . $ilSetting->get('inst_id', 0), (int) $user_id, (string) $this->query_parser->getQuery(), (int) $mail_folder_id);
} catch (XML_RPC2_FaultException $e) {
$ilBench->stop('Mail', 'LuceneSearch');
$ilLog->write(__METHOD__ . ': ' . $e->getMessage());
throw $e;
} catch (Exception $e) {
$ilBench->stop('Mail', 'LuceneSearch');
$ilLog->write(__METHOD__ . ': ' . $e->getMessage());
throw $e;
}
$ilBench->stop('Mail', 'LuceneSearch');
include_once 'Services/Mail/classes/class.ilMailSearchLuceneResultParser.php';
$parser = new ilMailSearchLuceneResultParser($this->result, $xml);
$parser->parse();
}
/**
* Performs better than standard like search on huge installations
*/
public static function getLuceneList($a_str)
{
include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
$qp = new ilLuceneQueryParser('title:' . $a_str . '*');
$qp->parse();
include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
$searcher = ilLuceneSearcher::getInstance($qp);
$searcher->setType(ilLuceneSearcher::TYPE_STANDARD);
$searcher->search();
$res = $searcher->getResult()->getCandidates();
$max_entries = ilSearchSettings::getInstance()->getAutoCompleteLength() ? ilSearchSettings::getInstance()->getAutoCompleteLength() : 10;
$list = array();
$num_entries = 0;
foreach ($res as $res_obj_id) {
if (self::checkObjectPermission($res_obj_id)) {
$list[] = ilObject::_lookupTitle($res_obj_id, true);
$num_entries++;
}
if ($num_entries >= $max_entries) {
break;
}
}
$i = 0;
$result = array();
foreach ($list as $entry) {
$result[$i] = new stdClass();
$result[$i]->value = '"' . $entry . '"';
$i++;
}
include_once './Services/JSON/classes/class.ilJsonUtil.php';
return ilJsonUtil::encode($result);
}
public function checkInput()
{
global $lng, $ilUser;
$ok = parent::checkInput();
$query = ilUtil::stripSlashes($_POST[$this->getPostVar()]);
if (!$ok or !strlen($query)) {
return false;
}
include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
try {
ilLuceneQueryParser::validateQuery($query);
return true;
} catch (ilLuceneQueryParserException $e) {
$this->setAlert($lng->txt($e->getMessage()));
return false;
}
}
/**
* Constructor
*/
public function __construct($a_query_data)
{
parent::__construct('');
$this->field_definition = ilLuceneAdvancedSearchFields::getInstance();
$this->query_data = $a_query_data;
}
/**
* Perform search
*/
protected function performSearch()
{
include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
$qp = new ilLuceneQueryParser($this->search_cache->getQuery());
$qp->parse();
$searcher = ilLuceneSearcher::getInstance($qp);
$searcher->setType(ilLuceneSearcher::TYPE_USER);
$searcher->search();
$this->showSearchForm();
include_once './Services/Search/classes/class.ilRepositoryUserResultTableGUI.php';
$user_table = new ilRepositoryUserResultTableGUI($this, 'performSearch', false, ilRepositoryUserResultTableGUI::TYPE_GLOBAL_SEARCH);
$user_table->setLuceneResult($searcher->getResult());
$user_table->parseUserIds($searcher->getResult()->getCandidates());
$GLOBALS['tpl']->setVariable('SEARCH_RESULTS', $user_table->getHTML());
return true;
}
/**
* Perform search
*/
protected function performSearch()
{
global $ilUser, $ilBench;
unset($_SESSION['vis_references']);
$filter_query = '';
if ($this->search_cache->getItemFilter() and ilSearchSettings::getInstance()->isLuceneItemFilterEnabled()) {
$filter_settings = ilSearchSettings::getInstance()->getEnabledLuceneItemFilterDefinitions();
foreach ((array) $this->search_cache->getItemFilter() as $obj => $value) {
if (!$filter_query) {
$filter_query .= '+( ';
} else {
$filter_query .= 'OR';
}
$filter_query .= ' ' . (string) $filter_settings[$obj]['filter'] . ' ';
}
$filter_query .= ') ';
}
// begin-patch mime_filter
$mime_query = '';
if ($this->search_cache->getMimeFilter() and ilSearchSettings::getInstance()->isLuceneMimeFilterEnabled()) {
$filter_settings = ilSearchSettings::getInstance()->getEnabledLuceneMimeFilterDefinitions();
foreach ($this->search_cache->getMimeFilter() as $mime => $value) {
if (!$mime_query) {
$mime_query .= '+( ';
} else {
$mime_query .= 'OR';
}
$mime_query .= ' ' . (string) $filter_settings[$mime]['filter'] . ' ';
}
$mime_query .= ') ';
}
$filter_query = $filter_query . ' ' . $mime_query;
include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
$qp = new ilLuceneQueryParser($filter_query . ' +(' . $this->search_cache->getQuery() . ')');
$qp->parse();
$searcher = ilLuceneSearcher::getInstance($qp);
$searcher->search();
// Filter results
include_once './Services/Search/classes/Lucene/class.ilLuceneSearchResultFilter.php';
include_once './Services/Search/classes/Lucene/class.ilLucenePathFilter.php';
$filter = ilLuceneSearchResultFilter::getInstance($ilUser->getId());
$filter->addFilter(new ilLucenePathFilter($this->search_cache->getRoot()));
$filter->setCandidates($searcher->getResult());
$filter->filter();
if ($filter->getResultObjIds()) {
$searcher->highlight($filter->getResultObjIds());
}
// Show results
$this->showSearchForm();
include_once './Services/Search/classes/class.ilSearchResultPresentation.php';
$presentation = new ilSearchResultPresentation($this);
$presentation->setResults($filter->getResultIds());
$presentation->setSearcher($searcher);
// TODO: other handling required
$ilBench->start('Lucene', '1500_fo');
$this->addPager($filter, 'max_page');
$ilBench->stop('Lucene', '1500_fo');
$presentation->setPreviousNext($this->prev_link, $this->next_link);
if ($presentation->render()) {
$this->tpl->setVariable('SEARCH_RESULTS', $presentation->getHTML(true));
} else {
ilUtil::sendInfo(sprintf($this->lng->txt('search_no_match_hint'), $this->search_cache->getQuery()));
}
}
function searchObjects($sid, $types, $key, $combination, $user_id)
{
$this->initAuth($sid);
$this->initIlias();
if (!$this->__checkSession($sid)) {
return $this->__raiseError($this->__getMessage(), $this->__getMessageCode());
}
if (!is_array($types)) {
return $this->__raiseError('Types must be an array of object types.', 'Client');
}
if ($combination != 'and' and $combination != 'or') {
return $this->__raiseError('No valid combination given. Must be "and" or "or".', 'Client');
}
// begin-patch fm
include_once './Services/Search/classes/class.ilSearchSettings.php';
if (ilSearchSettings::getInstance()->enabledLucene()) {
ilSearchSettings::getInstance()->setMaxHits(25);
include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
$query_parser = new ilLuceneQueryParser($key);
$query_parser->parse();
include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
$searcher = ilLuceneSearcher::getInstance($query_parser);
$searcher->search();
include_once './Services/Search/classes/Lucene/class.ilLuceneSearchResultFilter.php';
include_once './Services/Search/classes/Lucene/class.ilLucenePathFilter.php';
$filter = ilLuceneSearchResultFilter::getInstance($user_id);
$filter->setCandidates($searcher->getResult());
$filter->filter();
$result_ids = $filter->getResults();
$objs = array();
$objs[ROOT_FOLDER_ID] = ilObjectFactory::getInstanceByRefId(ROOT_FOLDER_ID, false);
foreach ((array) $result_ids as $ref_id => $obj_id) {
$obj = ilObjectFactory::getInstanceByRefId($ref_id, false);
if ($obj instanceof ilObject) {
$objs[] = $obj;
}
}
include_once './Services/Search/classes/Lucene/class.ilLuceneHighlighterResultParser.php';
$highlighter = new ilLuceneHighlighterResultParser();
if ($filter->getResultObjIds()) {
$highlighter = $searcher->highlight($filter->getResultObjIds());
}
} else {
include_once './Services/Search/classes/class.ilQueryParser.php';
$query_parser =& new ilQueryParser($key);
#$query_parser->setMinWordLength(3);
$query_parser->setCombination($combination == 'and' ? QP_COMBINATION_AND : QP_COMBINATION_OR);
$query_parser->parse();
if (!$query_parser->validate()) {
return $this->__raiseError($query_parser->getMessage(), 'Client');
}
#include_once './Services/Search/classes/class.ilObjectSearchFactory.php';
#$object_search =& ilObjectSearchFactory::_getObjectSearchInstance($query_parser);
include_once './Services/Search/classes/Like/class.ilLikeObjectSearch.php';
$object_search = new ilLikeObjectSearch($query_parser);
$object_search->setFilter($types);
$res =& $object_search->performSearch();
if ($user_id) {
$res->setUserId($user_id);
}
// begin-patch fm
$res->setMaxHits(100);
// begin-patch fm
$res->filter(ROOT_FOLDER_ID, $combination == 'and' ? true : false);
$counter = 0;
$objs = array();
foreach ($res->getUniqueResults() as $entry) {
$obj = ilObjectFactory::getInstanceByRefId($entry['ref_id'], false);
if ($obj instanceof ilObject) {
$objs[] = $obj;
}
}
}
if (!count($objs)) {
//rku: todo: das ist nicht soap konform! - hier muss ein XML zurück geliefert werden
return '';
}
include_once './webservice/soap/classes/class.ilObjectXMLWriter.php';
$xml_writer = new ilObjectXMLWriter();
// begin-patch fm
if (ilSearchSettings::getInstance()->enabledLucene()) {
$xml_writer->enableReferences(false);
$xml_writer->setMode(ilObjectXmlWriter::MODE_SEARCH_RESULT);
$xml_writer->setHighlighter($highlighter);
}
$xml_writer->enablePermissionCheck(true);
if ($user_id) {
$xml_writer->setUserId($user_id);
$xml_writer->enableOperations(true);
}
$xml_writer->setObjects($objs);
if ($xml_writer->start()) {
#$GLOBALS['ilLog']->write(__METHOD__.': '.$xml_writer->xmlDumpMem(true));
return $xml_writer->getXML();
}
return $this->__raiseError('Cannot create object xml !', 'Server');
}
/**
* @throws LuceneQueryParserException
*/
public static function validateQuery($a_query)
{
// TODO
// First replace all quote characters
#ilLuceneQueryParser::checkAllowedCharacters($a_query);
#ilLuceneQueryParser::checkAsterisk($a_query);
#ilLuceneQueryParser::checkAmpersands($a_query);
ilLuceneQueryParser::checkCaret($a_query);
ilLuceneQueryParser::checkSquiggle($a_query);
#ilLuceneQueryParser::checkExclamationMark($a_query);
#ilLuceneQueryParser::checkQuestionMark($a_query);
ilLuceneQueryParser::checkParenthesis($a_query);
#ilLuceneQueryParser::checkPlusMinus($a_query);
#ilLuceneQueryParser::checkANDORNOT($a_query);
ilLuceneQueryParser::checkQuotes($a_query);
#ilLuceneQueryParser::checkColon($a_query);
return true;
}
/**
* Search content that belongs to the current user and that meet the search criteria
*
*/
public function searchContentFile()
{
/**
* @var $ilAccess ilAccessHandler
*/
global $ilAccess;
$this->initContentSearchForm();
if ($this->csform->checkInput()) {
$allowedExt = array('ppt', 'pptx', 'flv', 'swf', 'pdf', 'gif', 'jpg', 'png', 'mp3', 'html');
$result = array();
include_once './Services/Search/classes/class.ilSearchSettings.php';
if (ilSearchSettings::getInstance()->enabledLucene()) {
include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
$qp = new ilLuceneQueryParser('+(type:file) ' . $this->csform->getInput('search_query'));
$qp->parse();
$searcher = ilLuceneSearcher::getInstance($qp);
$searcher->search();
include_once './Services/Search/classes/Lucene/class.ilLuceneSearchResultFilter.php';
include_once './Services/Search/classes/Lucene/class.ilLucenePathFilter.php';
$filter = ilLuceneSearchResultFilter::getInstance($this->user->getId());
$filter->addFilter(new ilLucenePathFilter(ROOT_FOLDER_ID));
$filter->setCandidates($searcher->getResult());
$filter->filter();
foreach ($filter->getResultIds() as $refId => $objId) {
$obj = ilObjectFactory::getInstanceByRefId($refId);
if (!in_array(strtolower($obj->getFileExtension()), $allowedExt)) {
continue;
}
if (!$ilAccess->checkAccessOfUser($this->user->getId(), 'read', '', $refId, '', $objId)) {
continue;
}
$result[$obj->getId()] = $obj->getId();
}
} else {
include_once 'Services/Search/classes/class.ilQueryParser.php';
$query_parser = new ilQueryParser($this->csform->getInput('search_query'));
$query_parser->setCombination(QP_COMBINATION_OR);
$query_parser->parse();
if (!$query_parser->validate()) {
ilUtil::sendInfo($query_parser);
$this->csform->setValuesByPost();
return $this->showAddContent();
}
include_once 'Services/Search/classes/Like/class.ilLikeObjectSearch.php';
$object_search = new ilLikeObjectSearch($query_parser);
$object_search->setFilter(array('file'));
$res = $object_search->performSearch();
$res->setUserId($this->user->getId());
$res->setMaxHits(999999);
$res->filter(ROOT_FOLDER_ID, false);
$res->setRequiredPermission('read');
foreach ($res->getUniqueResults() as $entry) {
$obj = ilObjectFactory::getInstanceByRefId($entry['ref_id']);
if (!in_array(strtolower($obj->getFileExtension()), $allowedExt)) {
continue;
}
$result[$obj->getId()] = $obj->getId();
}
}
if (count($result) > 0) {
$this->showFileSearchResult($result);
$_SESSION['contents']['search_result'] = $result;
} else {
ilUtil::sendInfo($this->txt('files_matches_in_no_results'));
$this->csform->setValuesByPost();
$this->showAddContent();
}
} else {
$this->csform->setValuesByPost();
return $this->showAddContent();
}
}
