Inheritance diagram for ilSoapCourseAdministration:

Collaboration diagram for ilSoapCourseAdministration:

Public Member Functions
	ilSoapCourseAdministration ()
	addCourse ($sid, $target_id, $crs_xml)
	deleteCourse ($sid, $course_id)
	assignCourseMember ($sid, $course_id, $user_id, $type)
	excludeCourseMember ($sid, $course_id, $user_id)
	isAssignedToCourse ($sid, $course_id, $user_id)
	getCourseXML ($sid, $course_id)
	updateCourse ($sid, $course_id, $xml)
	getCoursesForUser ($sid, $parameters)
	get courses which belong to a specific user, fullilling the status
Public Member Functions inherited from ilSoapAdministration
	ilSoapAdministration ($use_nusoap=true)
	__checkSession ($sid)
	initErrorWriter ()
	Overwrite error handler.
	__explodeSid ($sid)
	__setMessage ($a_str)
	__getMessage ()
	__appendMessage ($a_str)
	__setMessageCode ($a_code)
	__getMessageCode ()
	initAuth ($sid)
	initIlias ()
	__initAuthenticationObject ($a_auth_mode=AUTH_LOCAL)
	__raiseError ($a_message, $a_code)
	getNIC ($sid)
	get client information from current as xml result set
	isFault ($object)
	checkObjectAccess ($ref_id, $expected_type, $permission, $returnObject=false)
	check access for ref id: expected type, permission, return object instance if returnobject is true
	getInstallationInfoXML ()
	getClientInfoXML ($clientid)

Data Fields
const	MEMBER = 1
const	TUTOR = 2
const	ADMIN = 4
const	OWNER = 8
Data Fields inherited from ilSoapAdministration
	$sauth = null
	$error_method = null

Additional Inherited Members
Static Public Member Functions inherited from ilSoapAdministration
static	return_bytes ($val)
	calculate bytes from K,M,G modifiers e.g: 8M = 8 * 1024 * 1024 bytes
Protected Attributes inherited from ilSoapAdministration
	$soap_check = true

Detailed Description

Definition at line 35 of file class.ilSoapCourseAdministration.php.

Member Function Documentation

ilSoapCourseAdministration::addCourse	(	$sid,
		$target_id,
		$crs_xml
	)

Definition at line 49 of file class.ilSoapCourseAdministration.php.

References $target_id, ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilObject\_isInTrash(), ilObjectFactory\getInstanceByRefId(), ilSoapAdministration\initAuth(), and ilSoapAdministration\initIlias().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                if(!is_numeric($target_id))
                {
                        return $this->__raiseError('No valid target id given. Please choose an existing reference id of an ILIAS category',
                                                                           'Client');
                }
                global $rbacsystem;
                if(!$target_obj =& ilObjectFactory::getInstanceByRefId($target_id, false))
                {
                        return $this->__raiseError('No valid target given.', 'Client');
                }
                if(ilObject::_isInTrash($target_id))
                {
                        return $this->__raiseError("Parent with ID $target_id has been deleted.", 'CLIENT_OBJECT_DELETED');
                }
                if(!$rbacsystem->checkAccess('create',$target_id,'crs'))
                {
                        return $this->__raiseError('Check access failed. No permission to create courses','Server');
                }
                // Start import
                include_once("Modules/Course/classes/class.ilObjCourse.php");
                $newObj = new ilObjCourse();
                $newObj->setType('crs');
                $newObj->setTitle('dummy');
                $newObj->setDescription("");
                $newObj->create(true); // true for upload
                $newObj->createReference();
                $newObj->putInTree($target_id);
                $newObj->setPermissions($target_id);
                $newObj->initDefaultRoles();
                include_once 'Modules/Course/classes/class.ilCourseXMLParser.php';
                $xml_parser = new ilCourseXMLParser($newObj);
                $xml_parser->setXMLContent($crs_xml);
                $xml_parser->startParsing();
                return $newObj->getRefId() ? $newObj->getRefId() : "0";
                
        }

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ilSoapCourseAdministration::assignCourseMember	(	$sid,
		$course_id,
		$user_id,
		$type
	)

Definition at line 169 of file class.ilSoapCourseAdministration.php.

References $type, ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilObject\_getAllReferences(), ilCourseParticipants\_getInstanceByObjId(), ilObject\_lookupObjId(), ilObject\_lookupType(), ilObjectFactory\getInstanceByObjId(), ilObjectFactory\getInstanceByRefId(), IL_CRS_ADMIN, IL_CRS_MEMBER, IL_CRS_TUTOR, ilSoapAdministration\initAuth(), and ilSoapAdministration\initIlias().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }
                if(!is_numeric($course_id))
                {
                        return $this->__raiseError('No valid course id given. Please choose an existing reference id of an ILIAS course',
                                                                           'Client');
                }
                global $rbacsystem;
                if(($obj_type = ilObject::_lookupType(ilObject::_lookupObjId($course_id))) != 'crs')
                {
                        $course_id = end($ref_ids = ilObject::_getAllReferences($course_id));
                        if(ilObject::_lookupType(ilObject::_lookupObjId($course_id)) != 'crs')
                        {
                                return $this->__raiseError('Invalid course id. Object with id "'. $course_id.'" is not of type "course"','Client');
                        }
                }
                if(!$rbacsystem->checkAccess('write',$course_id))
                {
                        return $this->__raiseError('Check access failed. No permission to write to course','Server');
                }
                
                if(ilObject::_lookupType($user_id) != 'usr')
                {
                        return $this->__raiseError('Invalid user id. User with id "'. $user_id.' does not exist','Client');
                }
                if($type != 'Admin' and
                   $type != 'Tutor' and
                   $type != 'Member')
                {
                        return $this->__raiseError('Invalid type given. Parameter "type" must be "Admin", "Tutor" or "Member"','Client');
                }
                if(!$tmp_course = ilObjectFactory::getInstanceByRefId($course_id,false))
                {
                        return $this->__raiseError('Cannot create course instance!','Server');
                }
                if(!$tmp_user = ilObjectFactory::getInstanceByObjId($user_id,false))
                {
                        return $this->__raiseError('Cannot create user instance!','Server');
                }
                include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
                
                $course_members = ilCourseParticipants::_getInstanceByObjId($tmp_course->getId());
                switch($type)
                {
                        case 'Admin':
                                $course_members->add($tmp_user->getId(),IL_CRS_ADMIN);
                                $course_members->updateNotification($tmp_user->getId(),1);
                                break;
                        case 'Tutor':
                                $course_members->add($tmp_user->getId(),IL_CRS_TUTOR);
                                break;
                        case 'Member':
                                $course_members->add($tmp_user->getId(),IL_CRS_MEMBER);
                                break;
                }
                return true;
        }

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ilSoapCourseAdministration::deleteCourse	(	$sid,
		$course_id
	)

Definition at line 105 of file class.ilSoapCourseAdministration.php.

References $log, ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilObject\_getAllReferences(), ilObject\_lookupObjId(), ilObject\_lookupType(), ilSoapAdministration\initAuth(), ilSoapAdministration\initIlias(), and ilUtil\removeItemFromDesktops().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                if(!is_numeric($course_id))
                {
                        return $this->__raiseError('No valid course id given. Please choose an existing reference id of an ILIAS course',
                                                                           'Client');
                }
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                global $rbacsystem;
                if(($obj_type = ilObject::_lookupType(ilObject::_lookupObjId($course_id))) != 'crs')
                {
                        $course_id = end($ref_ids = ilObject::_getAllReferences($course_id));
                        if(ilObject::_lookupType(ilObject::_lookupObjId($course_id)) != 'crs')
                        {
                                return $this->__raiseError('Invalid course id. Object with id "'. $course_id.'" is not of type "course"','Client');
                        }
                }
                if(!$rbacsystem->checkAccess('delete',$course_id))
                {
                        return $this->__raiseError('Check access failed. No permission to delete course','Server');
                }
                global $tree,$rbacadmin,$log;
                if($tree->isDeleted($course_id))
                {
                        return $this->__raiseError('Node already deleted','Server');
                }
                $subnodes = $tree->getSubtree($tree->getNodeData($course_id));
                foreach ($subnodes as $subnode)
                {
                        $rbacadmin->revokePermission($subnode["child"]);
                        // remove item from all user desktops
                        $affected_users = ilUtil::removeItemFromDesktops($subnode["child"]);
                                
                }
                if(!$tree->saveSubTree($course_id))
                {
                        return $this->__raiseError('Node already deleted','Client');
                }
                
                // write log entry
                $log->write("SOAP ilObjectGUI::confirmedDeleteObject(), moved ref_id ".$course_id." to trash");
                
                // remove item from all user desktops
                $affected_users = ilUtil::removeItemFromDesktops($course_id);
                
                return true;
        }

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ilSoapCourseAdministration::excludeCourseMember	(	$sid,
		$course_id,
		$user_id
	)

Definition at line 246 of file class.ilSoapCourseAdministration.php.

References ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilObject\_getAllReferences(), ilCourseParticipants\_getInstanceByObjId(), ilObject\_lookupObjId(), ilObject\_lookupType(), ilObjectFactory\getInstanceByRefId(), ilSoapAdministration\initAuth(), and ilSoapAdministration\initIlias().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                if(!is_numeric($course_id))
                {
                        return $this->__raiseError('No valid course id given. Please choose an existing reference id of an ILIAS course',
                                                                           'Client');
                }
                global $rbacsystem;
                if(($obj_type = ilObject::_lookupType(ilObject::_lookupObjId($course_id))) != 'crs')
                {
                        $course_id = end($ref_ids = ilObject::_getAllReferences($course_id));
                        if(ilObject::_lookupType(ilObject::_lookupObjId($course_id)) != 'crs')
                        {
                                return $this->__raiseError('Invalid course id. Object with id "'. $course_id.'" is not of type "course"','Client');
                        }
                }
                if(ilObject::_lookupType($user_id) != 'usr')
                {
                        return $this->__raiseError('Invalid user id. User with id "'. $user_id.' does not exist','Client');
                }
                if(!$tmp_course = ilObjectFactory::getInstanceByRefId($course_id,false))
                {
                        return $this->__raiseError('Cannot create course instance!','Server');
                }
                if(!$rbacsystem->checkAccess('write',$course_id))
                {
                        return $this->__raiseError('Check access failed. No permission to write to course','Server');
                }
                include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
                
                $course_members = ilCourseParticipants::_getInstanceByObjId($tmp_course->getId());
                if(!$course_members->checkLastAdmin(array($user_id)))
                {
                        return $this->__raiseError('Cannot deassign last administrator from course','Server');
                }
                $course_members->delete($user_id);
                return true;
        }

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ilSoapCourseAdministration::getCoursesForUser	(	$sid,
		$parameters
	)

get courses which belong to a specific user, fullilling the status

Parameters

string	$sid
string	$parameters	following xmlresultset, columns (user_id, status with values 1 = "MEMBER", 2 = "TUTOR", 4 = "ADMIN", 8 = "OWNER" and any xor operation e.g. 1 + 4 = 5 = ADMIN and TUTOR, 7 = ADMIN and TUTOR and MEMBER)
	string	XMLResultSet, columns (ref_id, xml, parent_ref_id)

Definition at line 482 of file class.ilSoapCourseAdministration.php.

References $ref_id, $row, ilSoapAdministration\__checkSession(), ilUtil\__extractRefId(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilObject\_exists(), ilObject\_getAllReferences(), ilObject\_isInTrash(), ADMIN, ilSoapAdministration\checkObjectAccess(), elseif(), ilObjectFactory\getInstanceByObjId(), ilObjectFactory\getObjectsForOwner(), ilSoapAdministration\initAuth(), ilSoapAdministration\initIlias(), MEMBER, OWNER, and TUTOR.

                                                      {
                
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                global $rbacreview, $ilObjDataCache, $tree;
                
                include_once 'webservice/soap/classes/class.ilXMLResultSetParser.php';
                $parser = new ilXMLResultSetParser($parameters);
                try {
                        $parser->startParsing();
                } catch (ilSaxParserException $exception) {
                        return $this->__raiseError($exception->getMessage(), "Client");
                }
                $xmlResultSet = $parser->getXMLResultSet();
                if (!$xmlResultSet->hasColumn ("user_id"))
                        return $this->__raiseError("parameter user_id is missing", "Client");
                        
                if (!$xmlResultSet->hasColumn ("status"))
                        return $this->__raiseError("parameter status is missing", "Client");
                
                $user_id = (int) $xmlResultSet->getValue (0, "user_id");
                $status = (int) $xmlResultSet->getValue (0, "status");
                
                $ref_ids = array();
                // get roles
#var_dump($xmlResultSet);
#echo "uid:".$user_id;
#echo "status:".$status;
        if (ilSoapCourseAdministration::MEMBER == ($status & ilSoapCourseAdministration::MEMBER) ||
                        ilSoapCourseAdministration::TUTOR == ($status & ilSoapCourseAdministration::TUTOR) ||
                        ilSoapCourseAdministration::ADMIN == ($status & ilSoapCourseAdministration::ADMIN))
                foreach($rbacreview->assignedRoles($user_id) as $role_id)
                {                       
                        if($role = ilObjectFactory::getInstanceByObjId($role_id,false))
                        {
                                #echo $role->getType();
                                if ($role->getType() != "role")
                                        continue;
                                if ($role->getParent() == ROLE_FOLDER_ID)
                                {
                                         continue;
                                }
                                $role_title = $role->getTitle();
                                if ($ref_id = ilUtil::__extractRefId($role_title))
                                {
                                        if (!ilObject::_exists($ref_id, true) || ilObject::_isInTrash($ref_id))
                                                continue;
                                                
                                        #echo $role_title;
                                        if (ilSoapCourseAdministration::MEMBER == ($status & ilSoapCourseAdministration::MEMBER) && strpos($role_title, "member") !== false) 
                                        {
                                                $ref_ids [] = $ref_id;                                                                          
                                        } elseif (ilSoapCourseAdministration::TUTOR  == ($status & ilSoapCourseAdministration::TUTOR) && strpos($role_title, "tutor") !== false) 
                                        {
                                                $ref_ids [] = $ref_id;
                                        } elseif (ilSoapCourseAdministration::ADMIN  == ($status & ilSoapCourseAdministration::ADMIN) && strpos($role_title, "admin") !== false) 
                                        {
                                                $ref_ids [] = $ref_id;
                                        } elseif (($status & ilSoapCourseAdministration::OWNER) == ilSoapCourseAdministration::OWNER && $ilObjDataCache->lookupOwner($ilObjDataCache->lookupObjId($ref_id)) == $user_id) 
                                        {
                                                $ref_ids [] = $ref_id;
                                        }
                                }
                        }
                }
                if (($status & ilSoapCourseAdministration::OWNER) == ilSoapCourseAdministration::OWNER) 
                {
                        $owned_objects = ilObjectFactory::getObjectsForOwner("crs", $user_id);
                        foreach ($owned_objects as $obj_id) {
                                $allrefs = ilObject::_getAllReferences($obj_id);
                                foreach($allrefs as $r)
                                {
                                        if($tree->isDeleted($r))
                                        {
                                                continue;
                                        }
                                        if ($tree->isInTree($r))
                                        {
                                                $refs[] = $r;
                                        }
                                }
                                if (count($refs) > 0)
                                        $ref_ids[] = array_pop($refs);
                                
                        }
                }
                $ref_ids = array_unique($ref_ids);
                
                
                
                $ref_ids = array_unique($ref_ids);
#print_r($ref_ids);             
                include_once 'webservice/soap/classes/class.ilXMLResultSetWriter.php';
                include_once 'Modules/Course/classes/class.ilObjCourse.php';
                include_once 'Modules/Course/classes/class.ilCourseXMLWriter.php';
                $xmlResultSet = new ilXMLResultSet();
                $xmlResultSet->addColumn("ref_id");
                $xmlResultSet->addColumn("xml");
                $xmlResultSet->addColumn("parent_ref_id");
                
                foreach ($ref_ids as $course_id) {
                        $course_obj = $this->checkObjectAccess($course_id,"crs","write", true);
                        if ($course_obj instanceof ilObjCourse) {
                                $row = new ilXMLResultSetRow();                         
                                $row->setValue("ref_id", $course_id);
                                $xmlWriter = new ilCourseXMLWriter($course_obj);
                                $xmlWriter->setAttachUsers(false);                              
                                $xmlWriter->start();
                                $row->setValue("xml", $xmlWriter->getXML());
                                $row->setValue("parent_ref_id", $tree->getParentId($course_id));
                                $xmlResultSet->addRow($row);
                        }
                }
                $xmlResultSetWriter = new ilXMLResultSetWriter($xmlResultSet);
                $xmlResultSetWriter->start();
                return $xmlResultSetWriter->getXML();
        }

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ilSoapCourseAdministration::getCourseXML	(	$sid,
		$course_id
	)

Definition at line 361 of file class.ilSoapCourseAdministration.php.

References ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilSoapAdministration\checkObjectAccess(), ilSoapAdministration\initAuth(), ilSoapAdministration\initIlias(), and ilSoapAdministration\isFault().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                if(!is_numeric($course_id))
                {
                        return $this->__raiseError('No valid course id given. Please choose an existing reference id of an ILIAS course',
                                                                           'Client');
                }
                global $rbacsystem;
                $tmp_course = $this->checkObjectAccess($course_id, "crs", "read", true);
                if ($this->isFault($tmp_course)) {
                    return $tmp_course;
                }
                
                /*if(($obj_type = ilObject::_lookupType(ilObject::_lookupObjId($course_id))) != 'crs')
                {
                        $course_id = end($ref_ids = ilObject::_getAllReferences($course_id));
                        if(ilObject::_lookupType(ilObject::_lookupObjId($course_id)) != 'crs')
                        {
                                return $this->__raiseError('Invalid course id. Object with id "'. $course_id.'" is not of type "course"','Client');
                        }
                }
                if(!$tmp_course = ilObjectFactory::getInstanceByRefId($course_id,false))
                {
                        return $this->__raiseError('Cannot create course instance!','Server');
                }
                if(!$rbacsystem->checkAccess('read',$course_id))
                {
                        return $this->__raiseError('Check access failed. No permission to read course','Server');
                }*/
                include_once 'Modules/Course/classes/class.ilCourseXMLWriter.php';
                $xml_writer = new ilCourseXMLWriter($tmp_course);
                $xml_writer->start();
                
                return $xml_writer->getXML();
        }

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ilSoapCourseAdministration::ilSoapCourseAdministration ( )

Definition at line 42 of file class.ilSoapCourseAdministration.php.

References ilSoapAdministration\ilSoapAdministration().

        {
                parent::ilSoapAdministration();
        }

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ilSoapCourseAdministration::isAssignedToCourse	(	$sid,
		$course_id,
		$user_id
	)

Definition at line 301 of file class.ilSoapCourseAdministration.php.

References ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilObject\_getAllReferences(), ilCourseParticipants\_getInstanceByObjId(), ilObject\_lookupObjId(), ilObject\_lookupType(), ilObjectFactory\getInstanceByRefId(), IL_CRS_ADMIN, IL_CRS_MEMBER, IL_CRS_TUTOR, ilSoapAdministration\initAuth(), and ilSoapAdministration\initIlias().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                if(!is_numeric($course_id))
                {
                        return $this->__raiseError('No valid course id given. Please choose an existing reference id of an ILIAS course',
                                                                           'Client');
                }
                global $rbacsystem;
                if(($obj_type = ilObject::_lookupType(ilObject::_lookupObjId($course_id))) != 'crs')
                {
                        $course_id = end($ref_ids = ilObject::_getAllReferences($course_id));
                        if(ilObject::_lookupType(ilObject::_lookupObjId($course_id)) != 'crs')
                        {
                                return $this->__raiseError('Invalid course id. Object with id "'. $course_id.'" is not of type "course"','Client');
                        }
                }
                if(ilObject::_lookupType($user_id) != 'usr')
                {
                        return $this->__raiseError('Invalid user id. User with id "'. $user_id.' does not exist','Client');
                }
                if(!$tmp_course = ilObjectFactory::getInstanceByRefId($course_id,false))
                {
                        return $this->__raiseError('Cannot create course instance!','Server');
                }
                if(!$rbacsystem->checkAccess('write',$course_id))
                {
                        return $this->__raiseError('Check access failed. No permission to write to course','Server');
                }
                include_once './Modules/Course/classes/class.ilCourseParticipants.php';
                $crs_members = ilCourseParticipants::_getInstanceByObjId($tmp_course->getId());
                
                if($crs_members->isAdmin($user_id))
                {
                        return IL_CRS_ADMIN;
                }
                if($crs_members->isTutor($user_id))
                {
                        return IL_CRS_TUTOR;
                }
                if($crs_members->isMember($user_id))
                {
                        return IL_CRS_MEMBER;
                }
                return "0";
        }

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ilSoapCourseAdministration::updateCourse	(	$sid,
		$course_id,
		$xml
	)

Definition at line 410 of file class.ilSoapCourseAdministration.php.

References ilSoapAdministration\__checkSession(), ilSoapAdministration\__getMessage(), ilSoapAdministration\__getMessageCode(), ilSoapAdministration\__raiseError(), ilWaitingList\_deleteAll(), ilParticipants\_deleteAllEntries(), ilObject\_getAllReferences(), ilObject\_lookupObjId(), ilObject\_lookupType(), ilMD\deleteAll(), ilObjectFactory\getInstanceByRefId(), ilSoapAdministration\initAuth(), and ilSoapAdministration\initIlias().

        {
                $this->initAuth($sid);
                $this->initIlias();
                if(!$this->__checkSession($sid))
                {
                        return $this->__raiseError($this->__getMessage(),$this->__getMessageCode());
                }                       
                
                if(!is_numeric($course_id))
                {
                        return $this->__raiseError('No valid course id given. Please choose an existing reference id of an ILIAS course',
                                                                           'Client');
                }
                global $rbacsystem;
                if(($obj_type = ilObject::_lookupType(ilObject::_lookupObjId($course_id))) != 'crs')
                {
                        $course_id = end($ref_ids = ilObject::_getAllReferences($course_id));
                        if(ilObject::_lookupType(ilObject::_lookupObjId($course_id)) != 'crs')
                        {
                                return $this->__raiseError('Invalid course id. Object with id "'. $course_id.'" is not of type "course"','Client');
                        }
                }
                if(!$tmp_course = ilObjectFactory::getInstanceByRefId($course_id,false))
                {
                        return $this->__raiseError('Cannot create course instance!','Server');
                }
                if(!$rbacsystem->checkAccess('write',$course_id))
                {
                        return $this->__raiseError('Check access failed. No permission to write course','Server');
                }
                // First delete old meta data
                include_once 'Services/MetaData/classes/class.ilMD.php';
                $md = new ilMD($tmp_course->getId(),0,'crs');
                $md->deleteAll();
                include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
                ilCourseParticipants::_deleteAllEntries($tmp_course->getId());
                include_once 'Modules/Course/classes/class.ilCourseWaitingList.php';
                ilCourseWaitingList::_deleteAll($tmp_course->getId());
                include_once 'Modules/Course/classes/class.ilCourseXMLParser.php';
                $xml_parser = new ilCourseXMLParser($tmp_course);
                $xml_parser->setXMLContent($xml);
                $xml_parser->startParsing();
                $tmp_course->MDUpdateListener('General');
                return true;
        }