ap2i/src/Service/Storage/FileStorage.php

<?php
declare(strict_types=1);

namespace App\Service\Storage;

use App\Service\Utils\Path;
use Knp\Bundle\GaufretteBundle\FilesystemMap;

/**
 * Base class for file storage
 */
abstract class FileStorage
{
    public function __construct(
        protected FilesystemMap $filesystem
    )
    {}

    protected function getStorageBaseDir(): string {
        return Path::join(Path::getProjectDir(), 'var', 'files');
    }
}