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 "./Services/Xml/classes/class.ilXmlWriter.php";

class ilCourseXMLWriter extends ilXmlWriter
{
    const MODE_SOAP = 1;
    const MODE_EXPORT = 2;
    
    private $mode = self::MODE_SOAP;


    private $ilias;

    private $xml;
    private $course_obj;
    private $attach_users = true;
    
    
    public function __construct($course_obj)
    {
        global $ilias;

        parent::__construct();

        $this->EXPORT_VERSION = "2";

        $this->ilias = $ilias;
        $this->course_obj = $course_obj;
    }
    
    public function setMode($a_mode)
    {
        $this->mode = $a_mode;
    }
    
    public function getMode()
    {
        return $this->mode;
    }

    public function start()
    {
        if ($this->getMode() == self::MODE_SOAP) {
            $this->__buildHeader();
            $this->__buildCourseStart();
            $this->__buildMetaData();
            $this->__buildAdvancedMetaData();
            if ($this->attach_users) {
                $this->__buildAdmin();
                $this->__buildTutor();
                $this->__buildMember();
            }
            $this->__buildSubscriber();
            $this->__buildWaitingList();
            
            $this->__buildSetting();
            include_once './Services/Container/classes/class.ilContainerSortingSettings.php';
            ilContainerSortingSettings::_exportContainerSortingSettings($this, $this->course_obj->getId());
            ilContainer::_exportContainerSettings($this, $this->course_obj->getId());
            $this->__buildFooter();
        } elseif ($this->getMode() == self::MODE_EXPORT) {
            $this->__buildCourseStart();
            $this->__buildMetaData();
            $this->__buildAdvancedMetaData();
            $this->__buildSetting();
            include_once './Services/Container/classes/class.ilContainerSortingSettings.php';
            ilContainerSortingSettings::_exportContainerSortingSettings($this, $this->course_obj->getId());
            ilContainer::_exportContainerSettings($this, $this->course_obj->getId());
            $this->__buildFooter();
        }
    }

    public function getXML()
    {
        #var_dump("<pre>", htmlentities($this->xmlDumpMem()),"<pre>");
        return $this->xmlDumpMem(true);
    }

    // Called from nested class
    public 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
    public function __buildHeader()
    {
        $this->xmlSetDtdDef("<!DOCTYPE Course PUBLIC \"-//ILIAS//DTD Course//EN\" \"" . ILIAS_HTTP_PATH . "/xml/ilias_crs_5_0.dtd\">");
        $this->xmlSetGenCmt("Export of ILIAS course " . $this->course_obj->getId() . " of installation " . $this->ilias->getSetting('inst_id') . ".");
        $this->xmlHeader();


        return true;
    }
    
    public function __buildCourseStart()
    {
        $attrs["exportVersion"] = $this->EXPORT_VERSION;
        $attrs["id"] = "il_" . $this->ilias->getSetting('inst_id') . '_crs_' . $this->course_obj->getId();
        $attrs['showMembers'] = ($this->course_obj->getShowMembers() ? 'Yes' : 'No');
        $this->xmlStartTag("Course", $attrs);
    }
    
    public function __buildMetaData()
    {
        include_once 'Services/MetaData/classes/class.ilMD2XML.php';

        $md2xml = new ilMD2XML($this->course_obj->getId(), $this->course_obj->getId(), 'crs');
        $md2xml->startExport();
        $this->appendXML($md2xml->getXML());

        return true;
    }
    
    private function __buildAdvancedMetaData()
    {
        include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php');
        ilAdvancedMDValues::_appendXMLByObjId($this, $this->course_obj->getId());
    }
    
    public function __buildAdmin()
    {
        $admins = $this->course_obj->getMembersObject()->getAdmins();
        $admins = $GLOBALS['DIC']->access()->filterUserIdsByRbacOrPositionOfCurrentUser(
            'manage_members',
            ilOrgUnitOperation::OP_MANAGE_MEMBERS,
            $this->course_obj->getRefId(),
            $admins
        );
        
        foreach ($admins as $id) {
            $attr['id'] = 'il_' . $this->ilias->getSetting('inst_id') . '_usr_' . $id;
            $attr['notification'] = ($this->course_obj->getMembersObject()->isNotificationEnabled($id)) ? 'Yes' : 'No';
            $attr['passed'] = $this->course_obj->getMembersObject()->hasPassed($id) ? 'Yes' : 'No';

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

    public function __buildTutor()
    {
        $tutors = $this->course_obj->getMembersObject()->getTutors();
        $tutors = $GLOBALS['DIC']->access()->filterUserIdsByRbacOrPositionOfCurrentUser(
            'manage_members',
            ilOrgUnitOperation::OP_MANAGE_MEMBERS,
            $this->course_obj->getRefId(),
            $tutors
        );
        foreach ($tutors as $id) {
            $attr['id'] = 'il_' . $this->ilias->getSetting('inst_id') . '_usr_' . $id;
            $attr['notification'] = ($this->course_obj->getMembersObject()->isNotificationEnabled($id)) ? 'Yes' : 'No';
            $attr['passed'] = $this->course_obj->getMembersObject()->hasPassed($id) ? 'Yes' : 'No';

            $this->xmlStartTag('Tutor', $attr);
            $this->xmlEndTag('Tutor');
        }
        return true;
    }
    public function __buildMember()
    {
        $members = $this->course_obj->getMembersObject()->getMembers();
        $members = $GLOBALS['DIC']->access()->filterUserIdsByRbacOrPositionOfCurrentUser(
            'manage_members',
            ilOrgUnitOperation::OP_MANAGE_MEMBERS,
            $this->course_obj->getRefId(),
            $members
        );
        foreach ($members as $id) {
            $attr['id'] = 'il_' . $this->ilias->getSetting('inst_id') . '_usr_' . $id;
            $attr['blocked'] = ($this->course_obj->getMembersObject()->isBlocked($id)) ? 'Yes' : 'No';
            $attr['passed'] = $this->course_obj->getMembersObject()->hasPassed($id) ? 'Yes' : 'No';

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

    public function __buildSubscriber()
    {
        $subs = $this->course_obj->getMembersObject()->getSubscribers();
        $subs = $GLOBALS['DIC']->access()->filterUserIdsByRbacOrPositionOfCurrentUser(
            'manage_members',
            ilOrgUnitOperation::OP_MANAGE_MEMBERS,
            $this->course_obj->getRefId(),
            $subs
        );
        
        foreach ($subs as $id) {
            $data = $this->course_obj->getMembersObject()->getSubscriberData($id);

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

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

    public function __buildWaitingList()
    {
        include_once 'Modules/Course/classes/class.ilCourseWaitingList.php';
        $waiting_list = new ilCourseWaitingList($this->course_obj->getId());

        $wait = $waiting_list->getAllUsers();
        
        foreach ($wait as $data) {
            $is_accessible = $GLOBALS['DIC']->access()->filterUserIdsByRbacOrPositionOfCurrentUser(
                'manage_members',
                ilOrgUnitOperation::OP_MANAGE_MEMBERS,
                $this->course_obj->getRefId(),
                [$data['usr_id']]
            );
            if (!count($is_accessible)) {
                continue;
            }
            
            $attr['id'] = 'il_' . $this->ilias->getSetting('inst_id') . '_usr_' . $data['usr_id'];
            $attr['position'] = $data['position'];
            $attr['subscriptionTime'] = $data['time'];
            
            $this->xmlStartTag('WaitingList', $attr);
            $this->xmlEndTag('WaitingList');
        }
        return true;
    }


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

        // Availability
        $this->xmlStartTag('Availability');
        if ($this->course_obj->getOfflineStatus()) {
            $this->xmlElement('NotAvailable');
        } elseif ($this->course_obj->getActivationUnlimitedStatus()) {
            $this->xmlElement('Unlimited');
        } else {
            $this->xmlStartTag('TemporarilyAvailable');
            $this->xmlElement('Start', null, $this->course_obj->getActivationStart());
            $this->xmlElement('End', null, $this->course_obj->getActivationEnd());
            $this->xmlEndTag('TemporarilyAvailable');
        }
        $this->xmlEndTag('Availability');

        // Syllabus
        $this->xmlElement('Syllabus', null, $this->course_obj->getSyllabus());
        $this->xmlElement('ImportantInformation', null, $this->course_obj->getImportantInformation());
        
        
        // Contact
        $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');

        // Registration
        $attr = array();

        if ($this->course_obj->getSubscriptionType() == IL_CRS_SUBSCRIPTION_CONFIRMATION) {
            $attr['registrationType'] = 'Confirmation';
        } elseif ($this->course_obj->getSubscriptionType() == IL_CRS_SUBSCRIPTION_DIRECT) {
            $attr['registrationType'] = 'Direct';
        } else {
            $attr['registrationType'] = 'Password';
        }

        $attr['maxMembers'] = $this->course_obj->isSubscriptionMembershipLimited() ?
            $this->course_obj->getSubscriptionMaxMembers() : 0;
        $attr['notification'] = $this->course_obj->getSubscriptionNotify() ? 'Yes' : 'No';
        $attr['waitingList'] = $this->course_obj->enabledWaitingList() ? 'Yes' : 'No';

        $this->xmlStartTag('Registration', $attr);
        
        if ($this->course_obj->getSubscriptionLimitationType() == IL_CRS_SUBSCRIPTION_DEACTIVATED) {
            $this->xmlElement('Disabled');
        } elseif ($this->course_obj->getSubscriptionLimitationType() == IL_CRS_SUBSCRIPTION_UNLIMITED) {
            $this->xmlElement('Unlimited');
        } else {
            $this->xmlStartTag('TemporarilyAvailable');
            $this->xmlElement('Start', null, $this->course_obj->getSubscriptionStart());
            $this->xmlElement('End', null, $this->course_obj->getSubscriptionEnd());
            $this->xmlEndTag('TemporarilyAvailable');
        }
        if (strlen($pwd = $this->course_obj->getSubscriptionPassword())) {
            $this->xmlElement('Password', null, $pwd);
        }
        $this->xmlEndTag('Registration');

        
        $this->xmlStartTag('Period');
        $this->xmlElement('Start', null, ($this->course_obj->getCourseStart() && !$this->course_obj->getCourseStart()->isNull()) ? $this->course_obj->getCourseStart()->get(IL_CAL_UNIX) : null);
        $this->xmlElement('End', null, ($this->course_obj->getCourseEnd() && !$this->course_obj->getCourseEnd()->isNull()) ? $this->course_obj->getCourseEnd()->get(IL_CAL_UNIX) : null);
        $this->xmlEndTag('Period');
        $this->xmlElement('WaitingListAutoFill', null, (int) $this->course_obj->hasWaitingListAutoFill());
        $this->xmlElement('CancellationEnd', null, ($this->course_obj->getCancellationEnd() && !$this->course_obj->getCancellationEnd()->isNull()) ? $this->course_obj->getCancellationEnd()->get(IL_CAL_UNIX) : null);
        $this->xmlElement('MinMembers', null, (int) $this->course_obj->getSubscriptionMinMembers());
        
        $this->xmlElement('ViewMode', null, $this->course_obj->getViewMode());

        $this->xmlEndTag('Settings');

        return true;
    }

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

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