class.ilPrivacySettings.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 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. |
        +-----------------------------------------------------------------------------+
*/

class ilPrivacySettings
{
    private static $instance = null;
                private $db;
                private $settings;
        
                private $export_course;
                private $export_group;
                private $export_confirm_course;
                private $export_confirm_group;
                private $fora_statistics;
                private $anonymous_fora;
                private $rbac_log;
                private $rbac_log_age;
                private $show_grp_access_times;
                private $show_crs_access_times;
                private $ref_id;
                private $sahs_protocol_data;

        private function __construct()
        {
                global $ilSetting,$ilDB;

                $this->db = $ilDB;
                $this->settings = $ilSetting;

                $this->read();
        }

        public static function _getInstance()
        {
                if(is_object(self::$instance))
                {
                        return self::$instance;
                }
                return self::$instance = new ilPrivacySettings();
        }

        public function getPrivacySettingsRefId()
        {
                return $this->ref_id;
        }

        public function enabledCourseExport()
        {
                return $this->export_course;
        }
        
        public function enabledGroupExport()
        {
                return $this->export_group;
        }
        
        public function checkExportAccess($a_ref_id,$a_user_id = 0)
        {
                global $ilUser,$ilAccess,$rbacsystem;
                
                $user_id = $a_user_id ? $a_user_id : $ilUser->getId();
                
                if(ilObject::_lookupObjId(ilObject::_lookupType($a_ref_id)) == 'crs')
                {
                        return $this->enabledCourseExport() and $ilAccess->checkAccessOfUser($user_id,'write','',$a_ref_id) and $rbacsystem->checkAccessOfUser($user_id,'export_member_data',$this->getPrivacySettingsRefId());
                }
                else
                {
                        return $this->enabledGroupExport() and $ilAccess->checkAccessOfUser($user_id,'write','',$a_ref_id) and $rbacsystem->checkAccessOfUser($user_id,'export_member_data',$this->getPrivacySettingsRefId());
                }               
        }

        public function enableCourseExport($a_status)
        {
                $this->export_course = (bool) $a_status;
        }

        public function enableGroupExport($a_status)
        {
                $this->export_group = (bool) $a_status;
        }

        public function enableForaStatistics ($a_status) 
        {
                $this->fora_statistics = (bool) $a_status;
        }
        
        public function enabledForaStatistics () 
        {
                        return $this->fora_statistics;
        }

        public function enableAnonymousFora ($a_status)
        {
                $this->anonymous_fora = (bool) $a_status;
        }
        
        public function enabledAnonymousFora ()
        {
                return $this->anonymous_fora;
        }

        public function enableRbacLog ($a_status)
        {
                $this->rbac_log = (bool) $a_status;
        }

        public function enabledRbacLog ()
        {
                return $this->rbac_log;
        }

        public function setRbacLogAge ($a_age)
        {
                $this->rbac_log_age = (int) $a_age;
        }

        public function getRbacLogAge ()
        {
                return $this->rbac_log_age;
        }
        
        public function confirmationRequired($a_type)
        {
                switch($a_type)
                {
                        case 'crs':
                                return $this->courseConfirmationRequired();
                                
                        case 'grp':
                                return $this->groupConfirmationRequired();
                }
                return false;
        }

        public function courseConfirmationRequired()
        {
                return $this->export_confirm_course;
        }

        public function groupConfirmationRequired()
        {
                return $this->export_confirm_group;
        }

        public function setCourseConfirmationRequired($a_status)
        {
                $this->export_confirm_course = (bool) $a_status;
        }
        
        public function setGroupConfirmationRequired($a_status)
        {
                $this->export_confirm_group = (bool) $a_status;
        }

        public function showGroupAccessTimes($a_status)
        {
                $this->show_grp_access_times = $a_status;
        }
        
        public function enabledGroupAccessTimes()
        {
                return (bool) $this->show_grp_access_times;
        }
        
        public function showCourseAccessTimes($a_status)
        {
                $this->show_crs_access_times = $a_status;
        }
        
        public function enabledCourseAccessTimes()
        {
                return (bool) $this->show_crs_access_times;
        }

        public function save()
        {
                $this->settings->set('ps_export_confirm',(bool) $this->courseConfirmationRequired());
                $this->settings->set('ps_export_confirm_group',(bool) $this->groupConfirmationRequired());
                $this->settings->set('ps_export_course',(bool) $this->enabledCourseExport());
                $this->settings->set('ps_export_group',(bool) $this->enabledGroupExport());
                $this->settings->set('enable_fora_statistics',(bool) $this->enabledForaStatistics());
                $this->settings->set('enable_anonymous_fora',(bool) $this->enabledAnonymousFora());
                $this->settings->set('ps_access_times',(bool) $this->enabledGroupAccessTimes());
                $this->settings->set('ps_crs_access_times',(bool) $this->enabledCourseAccessTimes());
                $this->settings->set('rbac_log',(bool) $this->enabledRbacLog());
                $this->settings->set('rbac_log_age',(int) $this->getRbacLogAge());
                $this->settings->set('enable_sahs_pd',(int) $this->enabledSahsProtocolData());

        }
        private function read()
        {
                global $ilDB;
                
            $query = "SELECT object_reference.ref_id FROM object_reference,tree,object_data ".
                                "WHERE tree.parent = ".$ilDB->quote(SYSTEM_FOLDER_ID,'integer')." ".
                                "AND object_data.type = 'ps' ".
                                "AND object_reference.ref_id = tree.child ".
                                "AND object_reference.obj_id = object_data.obj_id";
                $res = $this->db->query($query);
                $row = $res->fetchRow(DB_FETCHMODE_ASSOC);
                $this->ref_id = $row["ref_id"];

                $this->export_course = (bool) $this->settings->get('ps_export_course',false);
                $this->export_group = (bool) $this->settings->get('ps_export_group',false);
                $this->export_confirm_course = (bool) $this->settings->get('ps_export_confirm',false);
                $this->export_confirm_group = (bool) $this->settings->get('ps_export_confirm_group',false);
                $this->fora_statistics = (bool) $this->settings->get('enable_fora_statistics',false);
                $this->anonymous_fora = (bool) $this->settings->get('enable_anonymous_fora',false);
                $this->show_grp_access_times = (bool) $this->settings->get('ps_access_times',false);
                $this->show_crs_access_times = (bool) $this->settings->get('ps_crs_access_times',false);
                $this->rbac_log = (bool) $this->settings->get('rbac_log',false);
                $this->rbac_log_age = (int) $this->settings->get('rbac_log_age',6);
                $this->sahs_protocol_data = (int) $this->settings->get('enable_sahs_pd', 0);
        }

        public function validate() 
        {
            return 0;
        }

        public function enabledSahsProtocolData()
        {
                return (int) $this->sahs_protocol_data;
        }
        public function enableSahsProtocolData($status)
        {
                $this->sahs_protocol_data = (int) $status;
        }

}
?>