course/classes/class.ilCourseXMLWriter.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";

class ilCourseXMLWriter extends ilXmlWriter
{
        var $ilias;

        var $xml;
        var $course_obj;

        function ilCourseXMLWriter(&$course_obj)
        {
                global $ilias;

                parent::ilXmlWriter();

                $this->EXPORT_VERSION = 1;

                $this->ilias =& $ilias;
                $this->course_obj =& $course_obj;
        }

        function start()
        {
                $this->__buildHeader();
                $this->__buildMetaData();
                
                $this->__buildAdmin();
                $this->__buildTutor();
                $this->__buildMember();
                $this->__buildSubscriber();

                $this->__buildSetting();

                $this->__buildObject($this->course_obj->getRefId());
                
                $this->__buildFooter();
        }

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

        // Called from nested class
        function modifyExportIdentifier($a_tag, $a_param, $a_value)
        {
                if ($a_tag == "Identifier" && $a_param == "Entry")
                {
                        $a_value = "il_".$this->ilias->getSetting('inst_id')."_crs_".$this->course_obj->getId();
                }

                return $a_value;
        }

        // PRIVATE
        function __buildHeader()
        {
                $this->xmlSetDtdDef("<!DOCTYPE Course SYSTEM \"http://www.ilias.uni-koeln.de/download/dtd/ilias_course.dtd\">");
                $this->xmlSetGenCmt("Export of ILIAS course ".
                                                        $this->course_obj->getId()." of installation ".$this->ilias->getSetting('inst_id').".");
                $this->xmlHeader();

                $attrs["exportVersion"] = $this->EXPORT_VERSION;
                $attrs["id"] = "il_".$this->ilias->getSetting('inst_id').'_course_'.$this->course_obj->getId();
                $this->xmlStartTag("Course", $attrs);

                return true;
        }
        function __buildMetaData()
        {
                include_once "./classes/class.ilNestedSetXML.php";

                $nested = new ilNestedSetXML();
                $nested->setParameterModifier($this, "modifyExportIdentifier");
                $this->appendXML($nested->export($this->course_obj->getId(),$this->course_obj->getType()));
                
                return true;
        }

        function __buildAdmin()
        {
                $this->course_obj->initCourseMemberObject();

                foreach($this->course_obj->members_obj->getAdmins() as $id)
                {
                        $data = $this->course_obj->members_obj->getUserData($id);

                        $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$id;
                        $attr['status'] = $data['status'];

                        $this->xmlStartTag('Admin',$attr);
                        $this->xmlEndTag('Admin');
                }
                return true;
        }

        function __buildTutor()
        {
                $this->course_obj->initCourseMemberObject();

                foreach($this->course_obj->members_obj->getTutors() as $id)
                {
                        $data = $this->course_obj->members_obj->getUserData($id);

                        $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$id;
                        $attr['status'] = $data['status'];

                        $this->xmlStartTag('Tutor',$attr);
                        $this->xmlEndTag('Tutor');
                }
                return true;
        }
        function __buildMember()
        {
                $this->course_obj->initCourseMemberObject();

                foreach($this->course_obj->members_obj->getMembers() as $id)
                {
                        $data = $this->course_obj->members_obj->getUserData($id);

                        $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$id;
                        $attr['status'] = $data['status'];

                        $this->xmlStartTag('Member',$attr);
                        $this->xmlEndTag('Member');
                }
                return true;
        }

        function __buildSubscriber()
        {
                $this->course_obj->initCourseMemberObject();

                foreach($this->course_obj->members_obj->getSubscribers() as $id)
                {
                        $data = $this->course_obj->members_obj->getSubscriberData($id);

                        $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_usr_'.$id;
                        $attr['SubscriptionTime'] = $data['time'];

                        $this->xmlStartTag('Subscriber',$attr);
                        $this->xmlEndTag('Subscriber');
                }
                return true;
        }

        function __buildSetting()
        {
                $this->xmlStartTag('Settings');

                $this->xmlElement('Syllabus',null,$this->course_obj->getSyllabus());

                $this->xmlStartTag('Contact');
                $this->xmlElement('Name',null,$this->course_obj->getContactName());
                $this->xmlElement('Responsibility',null,$this->course_obj->getContactResponsibility());
                $this->xmlElement('Phone',null,$this->course_obj->getContactPhone());
                $this->xmlElement('Email',null,$this->course_obj->getContactEmail());
                $this->xmlElement('Consultation',null,$this->course_obj->getContactConsultation());
                $this->xmlEndTag('Contact');

                $attr = array();
                $attr["Unlimited"] = $this->course_obj->getActivationUnlimitedStatus() ? 1 : 0;
                $attr["Offline"] = $this->course_obj->getOfflineStatus() ? 1 : 0;
                $this->xmlStartTag('Activation',$attr);
                $this->xmlElement('Start',null,$this->course_obj->getActivationStart());
                $this->xmlElement('End',null,$this->course_obj->getActivationEnd());
                $this->xmlEndTag('Activation');

                $attr = array();
                $attr['Unlimited'] = $this->course_obj->getSubscriptionUnlimitedStatus() ? 1 : 0;
                $attr['MaxMembers'] = $this->course_obj->getSubscriptionMaxMembers();
                $attr['Notify'] = $this->course_obj->getSubscriptionNotify() ? 1 : 0;
                $attr['Type'] = $this->course_obj->getSubscriptionType();
                $this->xmlStartTag('Subscription',$attr);
                $this->xmlElement('Start',null,$this->course_obj->getSubscriptionStart());
                $this->xmlElement('End',null,$this->course_obj->getSubscriptionEnd());
                $this->xmlElement('Password',null,$this->course_obj->getSubscriptionPassword());
                $this->xmlEndTag('Subscription');

                $attr = array();
                $attr['SortType'] = $this->course_obj->getOrderType();
                $this->xmlElement('Sort',$attr);

                $attr = array();
                $attr['Type'] = $this->course_obj->getArchiveType();
                $this->xmlStartTag('Archive',$attr);
                $this->xmlElement('Start',null,$this->course_obj->getArchiveStart());
                $this->xmlElement('End',null,$this->course_obj->getArchiveEnd());
                $this->xmlEndTag('Archive');

                $this->xmlEndTag('Settings');
        }

        
        // recursive
        function __buildObject($a_parent_id)
        {
                $this->course_obj->initCourseItemObject();
                $this->course_obj->items_obj->setParentId($a_parent_id);

                foreach($this->course_obj->items_obj->getAllItems() as $item)
                {
                        
                        if(!$tmp_obj =& ilObjectFactory::getInstanceByRefId($item['child'],false))
                        {
                                continue;
                        }
                
                        $attr = array();
                        $attr['id'] = 'il_'.$this->ilias->getSetting('inst_id').'_'.$tmp_obj->getType().'_'.$item['child'];
                        $attr['type'] = $tmp_obj->getType();
                        $attr['Unlimited'] = $item['activation_unlimited'] ? 1 : 0;
                        $attr['Position'] = $item['position'];

                        $this->xmlStartTag('Object',$attr);
                        $this->xmlElement('Title',null,$item['title']);
                        $this->xmlElement('Description',null,$item['description']);
                        $this->xmlElement('Start',null,$item['activation_start']);
                        $this->xmlElement('End',null,$item['activation_end']);

                        if($item['type'] == 'file')
                        {
                                $this->xmlElement('FileType',null,$tmp_obj->getFileType());
                        }

                        $this->__buildObject($item['child']);
                        
                        $this->xmlEndTag('Object');

                        unset($tmp_obj);
                }
        }

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


?>