<?php

/*

* This file is part of the Symfony package.

*

* (c) Fabien Potencier <[email protected]>

*

* For the full copyright and license information, please view the LICENSE

* file that was distributed with this source code.

*/

namespace Symfony\Component\Notifier\Bridge\Discord;

use Symfony\Component\Notifier\Exception\LogicException;

use Symfony\Component\Notifier\Exception\TransportException;

use Symfony\Component\Notifier\Exception\UnsupportedMessageTypeException;

use Symfony\Component\Notifier\Message\ChatMessage;

use Symfony\Component\Notifier\Message\MessageInterface;

use Symfony\Component\Notifier\Message\SentMessage;

use Symfony\Component\Notifier\Transport\AbstractTransport;

use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;

use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;

use Symfony\Contracts\HttpClient\HttpClientInterface;

/**

* @author Mathieu Piot <[email protected]>

* @author Tomas Norkūnas <[email protected]>

*/

final class DiscordBotTransport extends AbstractTransport

{

protected const HOST = 'discord.com';

public function __construct(

#[\SensitiveParameter] private string $token,

?HttpClientInterface $client = null,

?EventDispatcherInterface $dispatcher = null,

) {

parent::__construct($client, $dispatcher);

}

public function __toString(): string

{

return \sprintf('discord+bot://%s', $this->getEndpoint());

}

public function supports(MessageInterface $message): bool

{

return $message instanceof ChatMessage && $message->getOptions() instanceof DiscordOptions;

}

protected function doSend(MessageInterface $message): SentMessage

{

if (!$message instanceof ChatMessage) {

throw new UnsupportedMessageTypeException(__CLASS__, ChatMessage::class, $message);

}

$channelId = $message->getOptions()?->getRecipientId();

if (null === $channelId) {

throw new LogicException('Missing configured recipient id on Discord message.');

}

$options = $message->getOptions()?->toArray() ?? [];

$options['content'] = $message->getSubject();

$endpoint = \sprintf('https://%s/api/channels/%s/messages', $this->getEndpoint(), $channelId);

$response = $this->client->request('POST', $endpoint, [

'headers' => [

'Authorization' => 'Bot '.$this->token,

],

'json' => array_filter($options),

]);

try {

$statusCode = $response->getStatusCode();

} catch (TransportExceptionInterface $e) {

throw new TransportException('Could not reach the remote Discord server.', $response, 0, $e);

}

if (200 !== $statusCode) {

$result = $response->toArray(false);

if (401 === $statusCode) {

$originalContent = $message->getSubject();

$errorMessage = $result['message'];

$errorCode = $result['code'];

throw new TransportException(\sprintf('Unable to post the Discord message: "%s" (%d: "%s").', $originalContent, $errorCode, $errorMessage), $response);

}

if (400 === $statusCode) {

$originalContent = $message->getSubject();

$errorMessage = '';

foreach ($result as $fieldName => $message) {

$message = \is_array($message) ? implode(' ', $message) : $message;

$errorMessage .= $fieldName.': '.$message.' ';

}

$errorMessage = trim($errorMessage);

throw new TransportException(\sprintf('Unable to post the Discord message: "%s" (%s).', $originalContent, $errorMessage), $response);

}

throw new TransportException(\sprintf('Unable to post the Discord message: "%s" (Status Code: %d).', $message->getSubject(), $statusCode), $response);

}

return new SentMessage($message, (string) $this);

}

}