run.php

<?php

/*
 * This file is a part of the D.PHP project.
 *
 * Copyright (c) 2020-present David Cole <david.cole1340@gmail.com>
 *
 * This source file is subject to the GNU Affero General Public License v3.0 or later
 * that is bundled with this source code in the LICENSE.md file.
 */

ini_set('memory_limit', '-1');

/*
 * This file is a part of the D.PHP project.
 *
 * Copyright (c) 2020-present David Cole <david.cole1340@gmail.com>
 *
 * This source file is subject to the GNU Affero General Public License v3.0 or later
 * that is bundled with this source code in the LICENSE.md file.
 */

use Discord\Discord;
use Discord\Parts\Channel\Message;
use Discord\Parts\Embed\Embed;
use Discord\WebSockets\Intents;
use Dotenv\Dotenv;
use DPHP\Commands\Events;
use DPHP\Commands\Reflect;
use DPHP\Commands\Stats;
use Monolog\Handler\StreamHandler;
use Monolog\Logger;
use React\EventLoop\Factory;
use React\Sh\Shell;
use React\Sh\StdioHandler;

include __DIR__.'/vendor/autoload.php';

// load environment file
$dotenv = Dotenv::createImmutable(__DIR__);
$dotenv->load();
$dotenv->required(['TOKEN', 'LOG_FILE']);
$dotenv->required('LOGGER_LEVEL')->allowedValues(array_keys(Logger::getLevels()));

$logger = new Logger('D.PHP');

$loop = Factory::create();

$discord = new Discord([
    'token' => $_ENV['TOKEN'],
    'loop' => $loop,
    'logger' => $logger,
    'loadAllMembers' => true,
    'intents' => Intents::getDefaultIntents() | Intents::GUILD_MEMBERS | Intents::GUILD_PRESENCES,
]);

$shell = new Shell($loop);

if (strtolower($_ENV['LOG_FILE']) == 'stdout') {
    $logger->pushHandler(new StdioHandler($shell->getStdio()));
} else {
    $logger->pushHandler(new StreamHandler($_ENV['LOG_FILE'], Logger::getLevels()[$_ENV['LOGGER_LEVEL']]));
}

/**
 * Generates help for the bot.
 *
 * @param  Discord $discord
 * @param  array   $commands
 * @return Embed
 */
function generateHelpCommand(Discord $discord, array $commands): Embed
{
    $embed = new Embed($discord);
    $embed->setTitle('DiscordPHP');

    foreach ($commands as $name => $command) {
        $embed->addFieldValues("@{$discord->username} ".$name, $command->getHelp());
    }

    return $embed;
}

$commands = [
    'reflect' => new Reflect($discord),
    'info' => new Stats($discord),
    'events' => new Events($discord),
];
 
$discord->on('ready', function (Discord $discord) use ($commands, $shell) {
    $discord->on('message', function (Message $message, Discord $discord) use ($commands) {
        // check if message starts with mention
        if (strpos($message->content, '<@'.$discord->id.'>') === 0 || strpos($message->content, '<@!'.$discord->id.'>') === 0) {
            $args = explode(' ', $message->content);
            array_shift($args);

            if (count($args) > 0) {
                $command = array_shift($args);

                if (isset($commands[$command])) {
                    $commands[$command]->handle($message, $args);
                } else {
                    $embed = generateHelpCommand($discord, $commands);
                    $message->channel->sendEmbed($embed);
                }
            } else {
                $commands['info']->handle($message, $args);
            }
        }
    });

    $shell->setScope(get_defined_vars());
});

$loop->run();