class.ilLuceneUserSearchGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once './Services/Search/classes/class.ilSearchSettings.php';
include_once './Services/Search/classes/class.ilSearchBaseGUI.php';
include_once './Services/Search/classes/Lucene/class.ilLuceneAdvancedSearchFields.php';


class ilLuceneUserSearchGUI extends ilSearchBaseGUI
{
        protected $ilTabs;
        
        public function __construct()
        {
                global $ilTabs;
                
                $this->tabs_gui = $ilTabs;
                parent::__construct();
                $this->initUserSearchCache();
                
        }
        
        public function executeCommand()
        {
                global $ilBench, $ilCtrl;
                
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();
                
                $this->prepareOutput();
                switch($next_class)
                {
                        case "ilpublicuserprofilegui":                          
                                include_once('./Services/User/classes/class.ilPublicUserProfileGUI.php');
                                $profile = new ilPublicUserProfileGUI((int) $_REQUEST['user']);
                                $profile->setBackUrl($this->ctrl->getLinkTarget($this,'showSavedResults'));
                                $ret = $ilCtrl->forwardCommand($profile);
                                $GLOBALS['tpl']->setContent($ret);
                            break;

                        
                        default:
                                $this->initStandardSearchForm(ilSearchBaseGUI::SEARCH_FORM_USER);
                                if(!$cmd)
                                {
                                        $cmd = "showSavedResults";
                                }
                                $this->handleCommand($cmd);
                                break;
                }
                return true;
        }

        public function prepareOutput()
        {
                parent::prepareOutput();
                $this->getTabs();
                return true;
        }
        
        
        
        protected function getType()
        {
                if(count($this->search_cache))
                {
                        return ilSearchBaseGUI::SEARCH_DETAILS;
                }
                return ilSearchBaseGUI::SEARCH_FAST;
        }
        
        protected function getDetails()
        {
                return (array) $this->search_cache->getItemFilter();
        }
        
        
        protected function remoteSearch()
        {
                $_POST['query'] = $_POST['queryString'];
                $this->search_cache->setRoot((int) $_POST['root_id']);
                $this->search_cache->setQuery(ilUtil::stripSlashes($_POST['queryString']));
                $this->search_cache->save();
                
                $this->search();
        }
        
        protected function showSavedResults()
        {
                global $ilUser,$ilBench;
                
                if(strlen($this->search_cache->getQuery()))
                {
                        return $this->performSearch();
                }

                return $this->showSearchForm();
        }
        
        protected function search()
        {
                if(!$this->form->checkInput())
                {
                        $this->search_cache->deleteCachedEntries();
                        // Reset details
                        include_once './Services/Object/classes/class.ilSubItemListGUI.php';
                        ilSubItemListGUI::resetDetails();
                        $this->showSearchForm();
                        return false;
                }
                
                unset($_SESSION['max_page']);
                $this->search_cache->deleteCachedEntries();
                
                // Reset details
                include_once './Services/Object/classes/class.ilSubItemListGUI.php';
                ilSubItemListGUI::resetDetails();
                
                $this->performSearch();
        }
        
        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;
        }
        
        protected function getTabs()
        {
                $this->tabs_gui->addTarget('search',$this->ctrl->getLinkTargetByClass('illucenesearchgui'));
                
                if(ilSearchSettings::getInstance()->isLuceneUserSearchEnabled())
                {
                        $this->tabs_gui->addTarget('search_user',$this->ctrl->getLinkTargetByClass('illuceneusersearchgui'));
                }
                
                $fields = ilLuceneAdvancedSearchFields::getInstance(); 
                
                if(
                        !ilSearchSettings::getInstance()->getHideAdvancedSearch() and
                        $fields->getActiveFields())
                {
                        $this->tabs_gui->addTarget('search_advanced',$this->ctrl->getLinkTargetByClass('illuceneadvancedsearchgui'));
                }
                
                $this->tabs_gui->setTabActive('search_user');
        }
        
        protected function initUserSearchCache()
        {
                global $ilUser;
                
                include_once('Services/Search/classes/class.ilUserSearchCache.php');
                $this->search_cache = ilUserSearchCache::_getInstance($ilUser->getId());
                $this->search_cache->switchSearchType(ilUserSearchCache::LUCENE_USER_SEARCH);
                if((int) $_GET['page_number'])
                {
                        $this->search_cache->setResultPageNumber((int) $_GET['page_number']);
                }
                if(isset($_POST['term']))
                {
                        $this->search_cache->setQuery(ilUtil::stripSlashes($_POST['term']));
                        $this->search_cache->setItemFilter(array());
                        $this->search_cache->setMimeFilter(array());
                        $this->search_cache->save();
                }
        }
        
        
        
        protected function showSearchForm()
        {
                global $ilCtrl, $lng;
                
                $this->tpl->addBlockFile('ADM_CONTENT','adm_content','tpl.lucene_usr_search.html','Services/Search');

                // include js needed
                include_once("./Services/UIComponent/Overlay/classes/class.ilOverlayGUI.php");
                ilOverlayGUI::initJavascript();
                $this->tpl->addJavascript("./Services/Search/js/Search.js");

                $this->tpl->setVariable('FORM_ACTION',$GLOBALS['ilCtrl']->getFormAction($this,'performSearch'));
                $this->tpl->setVariable("TERM", ilUtil::prepareFormOutput($this->search_cache->getQuery()));
                $this->tpl->setVariable("TXT_SEARCH", $lng->txt("search"));
                
                return true;
        }
}
?>