class.ilAssQuestionProcessLockFileStorage.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/FileSystem/classes/class.ilFileSystemStorage.php';

class ilAssQuestionProcessLockFileStorage extends ilFileSystemStorage
{
        private $subPath;
        
        public function __construct($questionId, $userId)
        {
                parent::__construct(ilFileSystemStorage::STORAGE_DATA, true, $questionId);
                
                $this->initSubPath($userId);
        }

        protected function getPathPrefix()
        {
                return 'ilAssQuestionProcessLocks';
        }

        protected function getPathPostfix()
        {
                return 'question';
        }
        
        public function getPath()
        {
                return parent::getPath() . '/' . $this->subPath;
        }

        public function create()
        {
                if(!file_exists($this->getPath()))
                {
                        ilUtil::makeDirParents($this->getPath());
                }
                return true;
        }
        
        private function initSubPath($userId)
        {
                $userId = (string)$userId;
                
                $path = array();

                for($i = 0, $max = strlen($userId); $i < $max; $i++)
                {
                        $path[] = substr($userId, $i, 1);
                }

                $this->subPath = implode('/', $path);

        }
}