class.ilCourseCertificateAdapter.php

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<?php
 /*
   +----------------------------------------------------------------------------+
   | ILIAS open source                                                          |
   +----------------------------------------------------------------------------+
   | Copyright (c) 1998-2001 ILIAS open source, University of Cologne           |
   |                                                                            |
   | This program is free software; you can redistribute it and/or              |
   | modify it under the terms of the GNU General Public License                |
   | as published by the Free Software Foundation; either version 2             |
   | of the License, or (at your option) any later version.                     |
   |                                                                            |
   | This program is distributed in the hope that it will be useful,            |
   | but WITHOUT ANY WARRANTY; without even the implied warranty of             |
   | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              |
   | GNU General Public License for more details.                               |
   |                                                                            |
   | You should have received a copy of the GNU General Public License          |
   | along with this program; if not, write to the Free Software                |
   | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
   +----------------------------------------------------------------------------+
*/

include_once "./Services/Certificate/classes/class.ilCertificateAdapter.php";

class ilCourseCertificateAdapter extends ilCertificateAdapter
{
    protected $object;
    protected static $has_certificate = array();
    
    public function __construct($object)
    {
        $this->object = $object;
        parent::__construct();
    }

    public function getCertificatePath()
    {
        return CLIENT_WEB_DIR . "/course/certificates/" . $this->object->getId() . "/";
    }
    
    public function getCertificateVariablesForPreview()
    {
        $vars = $this->getBaseVariablesForPreview(false);
        $vars["COURSE_TITLE"] = ilUtil::prepareFormOutput($this->object->getTitle());
        
        $insert_tags = array();
        foreach ($vars as $id => $caption) {
            $insert_tags["[" . $id . "]"] = $caption;
        }
        return $insert_tags;
    }

    public function getCertificateVariablesForPresentation($params = array())
    {
        $user_id = $params["user_id"];
        
        include_once './Services/User/classes/class.ilObjUser.php';
        $user_data = ilObjUser::_lookupFields($user_id);
        
        include_once './Modules/Course/classes/class.ilCourseParticipants.php';
        $completion_date = ilCourseParticipants::getDateTimeOfPassed($this->object->getId(), $user_id);
        
        $vars = $this->getBaseVariablesForPresentation($user_data, null, $completion_date);
        $vars["COURSE_TITLE"] = ilUtil::prepareFormOutput($this->object->getTitle());
        
        $insert_tags = array();
        foreach ($vars as $id => $caption) {
            $insert_tags["[" . $id . "]"] = $caption;
        }
        return $insert_tags;
    }
    
    public function getCertificateVariablesDescription()
    {
        $vars = $this->getBaseVariablesDescription(false);
        $vars["COURSE_TITLE"] = $this->lng->txt("crs_title");
                
        $template = new ilTemplate("tpl.il_as_tst_certificate_edit.html", true, true, "Modules/Test");
        $template->setCurrentBlock("items");
        foreach ($vars as $id => $caption) {
            $template->setVariable("ID", $id);
            $template->setVariable("TXT", $caption);
            $template->parseCurrentBlock();
        }

        $template->setVariable("PH_INTRODUCTION", $this->lng->txt("certificate_ph_introduction"));

        return $template->get();
    }

    public function getAdapterType()
    {
        return "course";
    }

    public function getCertificateID()
    {
        return $this->object->getId();
    }
    
    public static function _preloadListData($a_usr_ids, $a_obj_ids)
    {
        if (!is_array($a_usr_ids)) {
            $a_usr_ids = array($a_usr_ids);
        }
        if (!is_array($a_obj_ids)) {
            $a_obj_ids = array($a_obj_ids);
        }
        foreach ($a_usr_ids as $usr_id) {
            foreach ($a_obj_ids as $obj_id) {
                self::$has_certificate[$usr_id][$obj_id] = false;
            }
        }
        
        include_once "Services/Certificate/classes/class.ilCertificate.php";
        if (ilCertificate::isActive()) {
            $obj_active = ilCertificate::areObjectsActive($a_obj_ids);
        
            include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
            $data = ilCourseParticipants::getPassedUsersForObjects($a_obj_ids, $a_usr_ids);
            foreach ($data as $rec) {
                if ($obj_active[$rec["obj_id"]]) {
                    self::$has_certificate[$rec["usr_id"]][$rec["obj_id"]] = true;
                }
            }
        }
    }
    
    public static function _hasUserCertificate($a_usr_id, $a_obj_id)
    {
        self::_preloadListData($a_usr_id, $a_obj_id);

        if (isset(self::$has_certificate[$a_usr_id][$a_obj_id])) {
            return self::$has_certificate[$a_usr_id][$a_obj_id];
        }
        return false;
    }
}