class.ilSoapSCORMAdministration.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. |
   +-----------------------------------------------------------------------------+
  */


include_once './webservice/soap/classes/class.ilSoapAdministration.php';

class ilSoapSCORMAdministration extends ilSoapAdministration
{

    public function getIMSManifestXML($sid, $ref_id)
    {
        $this->initAuth($sid);
        $this->initIlias();
        
        if (!$this->__checkSession($sid)) {
            return $this->__raiseError($this->__getMessage(), $this->__getMessageCode());
        }
        if (!strlen($ref_id)) {
            return $this->__raiseError(
                'No ref id given. Aborting!',
                'Client'
            );
        }
        global $DIC;

        $rbacsystem = $DIC['rbacsystem'];
        $tree = $DIC['tree'];
        $ilLog = $DIC['ilLog'];

        // get obj_id
        if (!$obj_id = ilObject::_lookupObjectId($ref_id)) {
            return $this->__raiseError(
                'No exercise found for id: ' . $ref_id,
                'Client'
            );
        }

        if (ilObject::_isInTrash($ref_id)) {
            return $this->__raiseError("Parent with ID $ref_id has been deleted.", 'Client');
        }

        // Check access
        $permission_ok = false;
        foreach ($ref_ids = ilObject::_getAllReferences($obj_id) as $ref_id) {
            if ($rbacsystem->checkAccess('read', $ref_id)) {
                $permission_ok = true;
                break;
            }
        }

        if (!$permission_ok) {
            return $this->__raiseError(
                'No permission to read the object with id: ' . $ref_id,
                'Server'
            );
        }

        $lm_obj = ilObjectFactory::getInstanceByObjId($obj_id, false);
        if (!is_object($lm_obj) || $lm_obj->getType()!= "sahs") {
            return $this->__raiseError(
                'Wrong obj id or type for scorm object with id ' . $ref_id,
                'Server'
            );
        }
        // get scorm xml
        require_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMObject.php");
        require_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMResource.php");

        $imsFilename = $lm_obj->getDataDirectory() . DIRECTORY_SEPARATOR . "imsmanifest.xml";

        if (!file_exists($imsFilename)) {
            return $this->__raiseError(
                'Could not find manifest file for object with ref id ' . $ref_id,
                'Server'
            );
        }
        return file_get_contents($imsFilename);
    }
    
    public function hasSCORMCertificate($sid, $ref_id, $usr_id)
    {
        $this->initAuth($sid);
        $this->initIlias();

        if (!$this->__checkSession($sid)) {
            return $this->__raiseError($this->__getMessage(), $this->__getMessageCode());
        }
        if (!strlen($ref_id)) {
            return $this->__raiseError(
                'No ref id given. Aborting!',
                'Client'
            );
        }
        global $DIC;

        $rbacsystem = $DIC['rbacsystem'];
        $tree = $DIC['tree'];
        $ilLog = $DIC['ilLog'];

        // get obj_id
        if (!$obj_id = ilObject::_lookupObjectId($ref_id)) {
            return $this->__raiseError(
                'No exercise found for id: ' . $ref_id,
                'Client'
            );
        }

        if (ilObject::_isInTrash($ref_id)) {
            return $this->__raiseError("Parent with ID $ref_id has been deleted.", 'Client');
        }

        $certValidator = new ilCertificateUserCertificateAccessValidator();
        $result = $certValidator->validate($usr_id, $obj_id);

        return $result;
    }

    public function getSCORMCompletionStatus($sid, $a_usr_id, $a_ref_id)
    {
        $this->initAuth($sid);
        $this->initIlias();
        
        if (!$this->__checkSession($sid)) {
            return $this->__raiseError($this->__getMessage(), $this->__getMessageCode());
        }

        if (!strlen($a_ref_id)) {
            return $this->__raiseError('No ref_id given. Aborting!', 'Client');
        }
        
        include_once 'include/inc.header.php';
        
        // get obj_id
        if (!$obj_id = ilObject::_lookupObjectId($a_ref_id)) {
            return $this->__raiseError(
                'No scorm module found for id: ' . $a_ref_id,
                'Client'
            );
        }
        
        include_once 'Services/Tracking/classes/class.ilLPStatus.php';
        include_once 'Services/Tracking/classes/class.ilObjUserTracking.php';
        
        if (!ilObjUserTracking::_enabledLearningProgress()) {
            return $this->__raiseError('Learning progress not enabled in this installation. Aborting!', 'Server');
        }
                                    
        $status = ilLPStatus::_lookupStatus($obj_id, $a_usr_id);
        if ($status == ilLPStatus::LP_STATUS_COMPLETED_NUM) {
            return 'completed';
        } elseif ($status == ilLPStatus::LP_STATUS_FAILED_NUM) {
            return 'failed';
        } elseif ($status == ilLPStatus::LP_STATUS_IN_PROGRESS_NUM) {
            return 'in_progress';
        } else {
            return 'not_attempted';
        }
    }
}