Part-DB.Part-DB-server/src/Services/EntityURLGenerator.php

<?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 App\Entity\DBElement;
use App\Entity\NamedDBElement;
use App\Entity\Part;
use App\Exceptions\EntityNotSupported;
use Doctrine\Migrations\Finder\Exception\NameIsReserved;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;

class EntityURLGenerator
{
    /**
     * @var UrlGeneratorInterface
     */
    protected $urlGenerator;

    public function __construct(UrlGeneratorInterface $urlGenerator)
    {
        $this->urlGenerator = $urlGenerator;
    }

    /**
     * Generates an URL to a page, where info about this entity can be viewed.
     * @param $entity mixed The entity for which the info should be generated.
     * @return string The URL to the info page
     *
     * @throws EntityNotSupported If the method is not supported for the given Entity
     */
    public function infoURL($entity) : string
    {
        if($entity instanceof Part)
        {
            return $this->urlGenerator->generate('part_info', ['id' => $entity->getID()]);
        }

        //Otherwise throw an error
        throw new EntityNotSupported('The given entity is not supported yet!');
    }

    /**
     * Generates an HTML link to the info page about the given entity.
     * @param $entity mixed The entity for which the info link should be generated.
     * @return string The HTML of the info page link
     *
     * @throws EntityNotSupported
     */
    public function infoHTML($entity) : string
    {
        $href = $this->infoURL($entity);

        if($entity instanceof NamedDBElement)
        {
            return sprintf('<a href="%s">%s</a>', $href, $entity->getName());
        }

    }

}