class.ilMembershipRegistrationCodeUtils.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilMembershipRegistrationCodeUtils
{
        const CODE_LENGTH = 10;
        

        public static function handleCode($a_ref_id,$a_type,$a_code)
        {
                include_once './classes/class.ilLink.php';
                try
                {
                        self::useCode($a_code,$a_ref_id);
                        ilUtil::redirect(ilLink::_getLink($a_ref_id,ilObject::_lookupType(ilObject::_lookupObjId($a_ref_id))));
                }
                catch(Exception $e) 
                {
                        $GLOBALS['ilLog']->logStack();
                        $GLOBALS['ilLog']->write($e->getMessage());
                        ilUtil::redirect(ilLink::_getLink($e->getCode(),ilObject::_lookupType(ilObject::_lookupObjId($e->getCode()))));
                }
        }
        
        
        
        protected static function useCode($a_code,$a_endnode)
        {
                global $tree,$ilUser;
                
                $obj_ids = self::lookupObjectsByCode($a_code);
                foreach($tree->getPathId($a_endnode) as $ref_id)
                {
                        if(in_array(ilObject::_lookupObjId($ref_id), $obj_ids))
                        {
                                if($obj = ilObjectFactory::getInstanceByRefId($ref_id,false))
                                {
                                        $GLOBALS['ilLog']->logStack();
                                        $obj->register($ilUser->getId());
                                }
                        }
                }
        }
        
        public static function generateCode()
        {
                // missing : 01iloO
                $map = "23456789abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ";
                
                $code = "";
                $max = strlen($map)-1;
                for($loop = 1; $loop <= self::CODE_LENGTH; $loop++)
                {
                  $code .= $map[mt_rand(0, $max)];
                }
                return $code;
        }
        
        protected static function lookupObjectsByCode($a_code)
        {
                include_once './Modules/Group/classes/class.ilObjGroup.php';
                include_once './Modules/Course/classes/class.ilObjCourse.php';
                
                return array_merge(ilObjGroup::lookupObjectsByCode($a_code), ilObjCourse::lookupObjectsByCode($a_code));
        }
}
?>