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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\File;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Exception\FileSystemException;
use Magento\Framework\Filesystem;
use \Magento\Framework\Filesystem\DriverInterface;
/**
* Utility for generating a unique file name
*/
class Name
{
/**
* @var Filesystem
*/
private $filesystem;
/**
* @param Filesystem|null $filesystem
*/
public function __construct(Filesystem $filesystem = null)
{
$this->filesystem = $filesystem ?: ObjectManager::getInstance()->get(Filesystem::class);
}
/**
* Gets new file name if the given name is in use
*
* @param string $destinationFile
* @return string
* @throws \Magento\Framework\Exception\FileSystemException
*/
public function getNewFileName(string $destinationFile)
{
$fileInfo = $this->getPathInfo($destinationFile);
$driver = $this->filesystem->getDirectoryWrite(
DirectoryList::ROOT,
Filesystem\DriverPool::FILE
)->getDriver();
if ($driver->isExists($destinationFile)) {
return $this->generateFileName($driver, $fileInfo);
}
/**
* Try with non-local driver.
*/
$driver = $this->filesystem->getDirectoryWrite(DirectoryList::ROOT)->getDriver();
return $driver->isExists($destinationFile)
? $this->generateFileName($driver, $fileInfo)
: $fileInfo['basename'];
}
/**
* Generates new file name until file with provided name doesn't exist
*
* @param DriverInterface $driver
* @param string $fileInfo
* @param int $index
* @return string
* @throws FileSystemException
*/
private function generateFileName($driver, $fileInfo, $index = 1)
{
$baseName = $fileInfo['filename'] . '_' . $index . '.' . $fileInfo['extension'];
if ($driver->isExists($fileInfo['dirname'] . '/' . $baseName)) {
return $this->generateFileName($driver, $fileInfo, ++$index);
}
return $baseName;
}
/**
* Gets the path information from a given file
*
* @param string $destinationFile
* @return string|string[]
*/
private function getPathInfo(string $destinationFile)
{
return pathinfo($destinationFile);
}
}