class.ilGroupXMLWriter.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 "./classes/class.ilXmlWriter.php";
include_once('./Modules/Group/classes/class.ilGroupParticipants.php');

class ilGroupXMLWriter extends ilXmlWriter
{
        private $ilias;

        private $xml;
        private $group_obj;
        private $attach_users = true;

        function ilGroupXMLWriter(&$group_obj)
        {
                global $ilias;

                parent::ilXmlWriter();

                $this->EXPORT_VERSION = "3";

                $this->ilias =& $ilias;
                $this->group_obj =& $group_obj;
                $this->participants = ilGroupParticipants::_getInstanceByObjId($this->group_obj->getId()); 
                
        }

        function start()
        {
                $this->__buildHeader();
                $this->__buildTitleDescription();
                $this->__buildRegistration();
                if ($this->attach_users) 
                {
                        $this->__buildAdmin();
                        $this->__buildMember();
                }
                $this->__buildFooter();
                
        }

        function getXML()
        {
                return $this->xmlDumpMem(FALSE);
        }

        // PRIVATE
        function __buildHeader()
        {
                $this->xmlSetDtdDef("<!DOCTYPE group PUBLIC \"-//ILIAS//DTD Group//EN\" \"".ILIAS_HTTP_PATH."/xml/ilias_group_3_10.dtd\">");  
                $this->xmlSetGenCmt("Export of ILIAS group ". $this->group_obj->getId()." of installation ".$this->ilias->getSetting('inst_id').".");
                $this->xmlHeader();

                $attrs["exportVersion"] = $this->EXPORT_VERSION;
                $attrs["id"] = "il_".$this->ilias->getSetting('inst_id').'_grp_'.$this->group_obj->getId();
                
                switch($this->group_obj->readGroupStatus())
                {
                        case GRP_TYPE_PUBLIC:
                                $attrs['type'] = 'open';
                                break;
                                
                        case GRP_TYPE_CLOSED:
                        default:
                                $attrs['type'] = 'closed';
                                break;
                }
                
                $this->xmlStartTag("group", $attrs);

                return true;
        }

        function __buildTitleDescription()
        {
                $this->xmlElement('title',null,$this->group_obj->getTitle());
                
                if($desc = $this->group_obj->getDescription())
                {
                        $this->xmlElement('description',null,$desc);
                }

                $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$this->group_obj->getOwner();
                $this->xmlElement('owner',$attr);
                
                $this->xmlElement('information',null,$this->group_obj->getInformation());
        }

        function __buildRegistration()
        {
                
                // registration type
                switch($this->group_obj->getRegistrationType())
                {
                        case GRP_REGISTRATION_DIRECT:
                                $attrs['type'] = 'direct';
                                break;
                        case GRP_REGISTRATION_REQUEST:
                                $attrs['type'] = 'confirmation';
                                break;
                        case GRP_REGISTRATION_PASSWORD:
                                $attrs['type'] = 'password';
                                break;
                                
                        default:
                        case GRP_REGISTRATION_DEACTIVATED:
                                $attrs['type'] = 'disabled';
                                break;
                }
                $attrs['waitingList'] = $this->group_obj->isWaitingListEnabled() ? 'Yes' : 'No';
                
                $this->xmlStartTag('registration',$attrs);
                
                if(strlen($pwd = $this->group_obj->getPassword()))
                {
                        $this->xmlElement('password',null,$pwd);
                }
                if($timest = $this->group_obj->getExpirationTimestamp())
                {
                        $this->xmlElement('expiration',null,$timest);
                }

                
                // limited registration period
                if(!$this->group_obj->isRegistrationUnlimited())
                {
                        $this->xmlStartTag('temporarilyAvailable');
                        $this->xmlElement('start',null,$this->group_obj->getRegistrationStart()->get(IL_CAL_UNIX));
                        $this->xmlElement('end',null,$this->group_obj->getRegistrationEnd()->get(IL_CAL_UNIX));
                        $this->xmlEndTag('temporarilyAvailable');
                }

                // max members
                $attrs = array();
                $attrs['enabled'] = $this->group_obj->isMembershipLimited() ? 'Yes' : 'No';
                $this->xmlElement('maxMembers',$attrs,$this->group_obj->getMaxMembers());

                $this->xmlEndTag('registration');
        }
                
        function __buildAdmin()
        {
                foreach($this->group_obj->getGroupAdminIds() as $id)
                {
                        $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$id;
                        $attr['notification'] = $this->participants->isNotificationEnabled($id) ? 'Yes' : 'No';

                        $this->xmlElement('admin',$attr);
                }
                return true;
        }

        function __buildMember()
        {
                foreach($this->group_obj->getGroupMemberIds() as $id)
                {
                        if(!$this->group_obj->isAdmin($id))
                        {
                                $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$id;
                                
                                $this->xmlElement('member',$attr);
                        }
                }
                return true;
        }

        function __buildFooter()
        {
                $this->xmlEndTag('group');
        }

        function setAttachUsers ($value) {
                $this->attach_users = $value ? true : false;
        }

}


?>