<?php
// require_once 'Qs/Sys/File/Transfer/Adapter/Db.php';

class Qs_File_Transfer_Adapter_Db extends Qs_Sys_File_Transfer_Adapter_Db
{
    public function _getFileName($name, $id)
    {
        $name = preg_replace('/[^-_a-zA-Z0-9\.;,]+/', '_', $name);
        if (false !== ($dotPos = strrpos($name, '.'))) {
            return substr($name, 0, $dotPos) . '(' . intval($id) . ')'
                . substr($name, $dotPos);
        } else {
            return $name . '(' . intval($id) . ')';
        }
    }

    public function duplicate($file)
    {
        $fullFile = WWW_PATH . '/' . Qs_ImageFs::WEB_PATH . '/' . $file;
        if (!file_exists($fullFile)) {
            return null;
        }

        $matches = array();
        preg_match('/(.*)\((\d+)\)(\..+)?$/', $file, $matches);
        list($file, $baseName, $fileId, $extension) = $matches;
        if (!$fileId) {
            return null;
        }

        $fileInfo = $this->get($file);
        if (!$fileInfo) {
            return null;
        }

        unset($fileInfo['id'], $fileInfo['nameFs'], $fileInfo['added']);
        $newFileId = $this->insert($fileInfo);
        if (!$newFileId) {
            return null;
        }

        $newFile = $baseName . '(' . $newFileId . ')' . $extension;
        $this->update(array('nameFs' => $newFile), $newFileId);


        $newFullFile = WWW_PATH . '/' . Qs_ImageFs::WEB_PATH . '/' . $newFile;
        if (!copy($fullFile, $newFullFile)) {
            $this->table()->delete('id = ' . $newFileId);
            return null;
        }

        return $newFile;

    }
}