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();
        
        function __construct(&$object)
        {
                global $lng;
                $this->object =& $object;
                $lng->loadLanguageModule('certificate');
        }
 
        public function getCertificatePath()
        {
                return CLIENT_WEB_DIR . "/course/certificates/" . $this->object->getId() . "/";
        }
        
        public function getCertificateVariablesForPreview()
        {
                global $lng;
                
                $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())
        {
                global $lng;
        
                $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()
        {
                global $lng;
                
                $vars = $this->getBaseVariablesDescription(false);
                $vars["COURSE_TITLE"] = $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", $lng->txt("certificate_ph_introduction"));
 
                return $template->get();
        }
 
        public function getAdapterType()
        {
                return "course";
        }
 
        public function getCertificateID()
        {
                return $this->object->getId();
        }
        
        static function _preloadListData($a_usr_ids, $a_obj_ids)
        {
                global $ilDB;
                
                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;
                                }
                        }
                }
        }
        
        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;
        }
}
 
?>