Cách tạo một phương thức gửi email tùy chỉnh với Symfony Mailer

composer require symfony/mailer
composer require symfony/http-client

// src/Mailer/Transport/PtTransport.php

namespace App\Mailer\Transport;

use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\Transport\TransportInterface;
use Symfony\Component\Mime\Email;
use Symfony\Component\Mime\RawMessage;
use Symfony\Contracts\HttpClient\HttpClientInterface;

class PtTransport implements TransportInterface
{
    private $httpClient;
    private $username;
    private $password;
    private $endpointUrl;

    public function __construct(HttpClientInterface $httpClient, string $username, string $password, string $endpointUrl)
    {
        $this->httpClient = $httpClient;
        $this->username = $username;
        $this->password = $password;
        $this->endpointUrl = $endpointUrl;
    }

    public function send(RawMessage $message, ?Symfony\Component\Mailer\Envelope $envelope = null): ?Symfony\Component\Mailer\SentMessage
    {
        // Implémentez ici votre logique d'envoi d'e-mail
        // Vous pouvez utiliser $this->httpClient pour faire une requête HTTP à $this->endpointUrl
    }

    public function __toString(): string
    {
        return sprintf('pt://%s@%s', $this->username, $this->endpointUrl);
    }
}

// src/Mailer/Transport/PtTransportFactory.php

namespace App\Mailer\Transport;

use Symfony\Component\Mailer\Exception\UnsupportedSchemeException;
use Symfony\Component\Mailer\Transport\AbstractTransportFactory;
use Symfony\Component\Mailer\Transport\Dsn;
use Symfony\Component\Mailer\Transport\TransportInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;

class PtTransportFactory extends AbstractTransportFactory
{
    private $httpClient;

    public function __construct(HttpClientInterface $httpClient)
    {
        $this->httpClient = $httpClient;
    }

    public function supports(Dsn $dsn): bool
    {
        return 'pt' === $dsn->getScheme();
    }

    public function create(Dsn $dsn): TransportInterface
    {
        return new PtTransport(
            $this->httpClient,
            $dsn->getUser(),
            $dsn->getPassword(),
            $dsn->getOption('endpoint_url')
        );
    }
}

services:
    App\Mailer\Transport\Pt

services:
    App\Mailer\Transport\PtTransportFactory:
        tags: ['mailer.transport_factory']
        arguments:
            $httpClient: '@http_client'

MAILER_DSN=pt://username:password@default?endpoint_url=https://your-endpoint-url