<?php
/**
 * part-db version 0.1
 * Copyright (C) 2005 Christoph Lechner
 * http://www.cl-projects.de/.
 *
 * part-db version 0.2+
 * Copyright (C) 2009 K. Jacobs and others (see authors.php)
 * http://code.google.com/p/part-db/
 *
 * Part-DB Version 0.4+
 * Copyright (C) 2016 - 2019 Jan Böhmer
 * https://github.com/jbtronics
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

namespace App\Services;

use Symfony\Component\Asset\Packages;

class AttachmentFilenameService
{
    protected $package;

    public function __construct(Packages $package)
    {
        $this->package = $package;
    }

    public function attachmentPathToAbsolutePath(?string $filename): ?string
    {
        //Return placeholder if a part does not have an attachment
        if (null == $filename) {
            return $this->package->getUrl('/img/part_placeholder.svg');
        }
        if (false !== stripos($filename, '%BASE%/img/')) {
            return $this->package->getUrl(str_replace('%BASE%', '', $filename));
        }

        //If no other method works, return placeholder
        return $this->package->getUrl('/img/part_placeholder.svg');
    }
}