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<?php |
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namespace Nopolabs\Yabot; |
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use DateTime; |
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use Exception; |
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use Nopolabs\Yabot\Helpers\ConfigTrait; |
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use Nopolabs\Yabot\Helpers\LogTrait; |
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use Nopolabs\Yabot\Helpers\LoopTrait; |
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use Nopolabs\Yabot\Helpers\SlackTrait; |
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use Nopolabs\Yabot\Message\MessageFactory; |
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use Nopolabs\Yabot\Plugin\PluginInterface; |
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use Nopolabs\Yabot\Plugin\PluginManager; |
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use Nopolabs\Yabot\Slack\Client; |
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use Psr\Log\LoggerInterface; |
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use React\EventLoop\LoopInterface; |
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use Slack\Payload; |
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use Slack\User; |
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use Throwable; |
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class Yabot |
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{ |
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use LogTrait; |
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use LoopTrait; |
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use SlackTrait; |
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use ConfigTrait; |
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/** @var MessageFactory */ |
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private $messageFactory; |
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/** @var PluginManager */ |
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private $pluginManager; |
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private $messageLog; |
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public function __construct( |
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LoggerInterface $logger, |
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LoopInterface $eventLoop, |
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Client $slackClient, |
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MessageFactory $messageFactory, |
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PluginManager $pluginManager, |
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array $config = [] |
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) { |
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$this->setLog($logger); |
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$this->setLoop($eventLoop); |
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$this->setSlack($slackClient); |
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$this->setConfig($config); |
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$this->messageFactory = $messageFactory; |
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$this->pluginManager = $pluginManager; |
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$this->messageLog = null; |
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} |
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public function getMessageLog() |
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{ |
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return $this->messageLog; |
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} |
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public function setMessageLog(string $messageLog = null) |
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{ |
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$this->messageLog = $messageLog ?? null; |
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} |
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public function init(array $plugins) |
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{ |
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foreach ($plugins as $pluginId => $plugin) { |
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/** @var PluginInterface $plugin */ |
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$this->info("loading $pluginId"); |
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try { |
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$this->pluginManager->loadPlugin($pluginId, $plugin); |
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} catch (Exception $e) { |
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$this->warning("Unhandled Exception while loading $pluginId: ".$e->getMessage()); |
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$this->warning($e->getTraceAsString()); |
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} |
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} |
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} |
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public function run() |
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{ |
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$slack = $this->getSlack(); |
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$slack->init(); |
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$slack->connect()->then([$this, 'connected']); |
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$this->addMemoryReporting(); |
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$this->getLoop()->run(); |
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} |
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public function shutDown() |
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{ |
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$this->getSlack()->disconnect(); |
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$this->getLoop()->stop(); |
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} |
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public function connected() |
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{ |
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$slack = $this->getSlack(); |
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$slack->update(function(User $authedUser) { |
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$this->pluginManager->setAuthedUser($authedUser); |
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}); |
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$slack->onEvent('message', [$this, 'onMessage']); |
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$this->startConnectionMonitor(); |
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} |
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public function onMessage(Payload $payload) |
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{ |
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$data = $payload->getData(); |
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$this->debug('Received message', $data); |
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try { |
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$this->logMessage($data); |
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$message = $this->messageFactory->create($data); |
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} catch (Throwable $throwable) { |
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$errmsg = $throwable->getMessage()."\n" |
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.$throwable->getTraceAsString()."\n" |
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."Payload data: ".json_encode($data); |
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$this->warning($errmsg); |
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return; |
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} |
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if ($message->isSelf()) { |
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return; |
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} |
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$this->pluginManager->dispatchMessage($message); |
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} |
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public function getHelp() : string |
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{ |
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return implode("\n", $this->pluginManager->getHelp()); |
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} |
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public function getStatus() : string |
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{ |
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$statuses = $this->pluginManager->getStatuses(); |
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array_unshift($statuses, $this->getFormattedMemoryUsage()); |
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return implode("\n", $statuses); |
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} |
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protected function addMemoryReporting() |
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{ |
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$now = new DateTime(); |
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$then = new DateTime('+1 hour'); |
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$then->setTime($then->format('H'), 0, 0); |
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$delay = $then->getTimestamp() - $now->getTimestamp(); |
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$this->addTimer($delay, function() { |
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$this->info($this->getFormattedMemoryUsage()); |
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$this->addPeriodicTimer(3600, function() { |
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$this->info($this->getFormattedMemoryUsage()); |
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}); |
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}); |
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} |
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protected function getFormattedMemoryUsage() : string |
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{ |
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$memory = memory_get_usage() / 1024; |
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$formatted = number_format($memory, 3).'K'; |
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return "Current memory usage: {$formatted}"; |
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} |
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protected function logMessage($data) |
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{ |
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if ($this->messageLog !== null) { |
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file_put_contents($this->messageLog, json_encode($data) . "\n", FILE_APPEND); |
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} |
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} |
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protected function startConnectionMonitor() |
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{ |
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if ($interval = $this->get('connection_monitor.interval')) { |
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$this->getLog()->info("Monitoring websocket connection every $interval seconds."); |
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$this->loop->addPeriodicTimer($interval, function () { |
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static $pong = true; |
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if (!$pong) { |
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$this->getLog()->error('Connection failed: no pong!'); |
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$this->shutDown(); |
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} |
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$this->getSlack()->getRealTimeClient()->ping() |
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->then( |
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function (Payload $payload) use (&$pong) { |
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$this->getLog()->info($payload->toJson()); |
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$pong = true; |
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} |
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); |
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$pong = false; |
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}); |
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} |
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} |
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} |
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nopolabs /
yabot
