Part-DB.Part-DB-server/src/EventSubscriber/SetMailFromSubscriber.php

<?php
/**
 * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
 *
 * Copyright (C) 2019 - 2022 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 Affero General Public License as published
 * by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace App\EventSubscriber;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Mailer\Event\MessageEvent;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\Email;

/**
 * This subscriber set the "From" field for all sent email, based on the global configured sender name and email.
 */
final class SetMailFromSubscriber implements EventSubscriberInterface
{
    private string $email;
    private string $name;

    public function __construct(string $email, string $name)
    {
        $this->email = $email;
        $this->name = $name;
    }

    public function onMessage(MessageEvent $event): void
    {
        $address = new Address($this->email, $this->name);
        $event->getEnvelope()->setSender($address);
        $email = $event->getMessage();
        if ($email instanceof Email) {
            $email->from($address);
        }
    }

    public static function getSubscribedEvents(): array
    {
        return [
            // should be the last one to allow header changes by other listeners first
            MessageEvent::class => ['onMessage'],
        ];
    }
}