laravel-websockets/src/WebSockets/Channels/ChannelManager.php

73 lines
2.0 KiB
PHP

<?php
namespace BeyondCode\LaravelWebSockets\WebSockets\Channels;
use Ratchet\ConnectionInterface;
class ChannelManager
{
/** @var string */
protected $appId;
/** @var array */
protected $channels = [];
public function findOrCreate(string $appId, string $channelName): Channel
{
if (!isset($this->channels[$appId][$channelName])) {
$channelClass = $this->determineChannelClass($channelName);
$this->channels[$appId][$channelName] = new $channelClass($channelName);
}
return $this->channels[$appId][$channelName];
}
public function find(string $appId, string $channelName): ?Channel
{
return $this->channels[$appId][$channelName] ?? null;
}
protected function determineChannelClass(string $channelName): string
{
if (starts_with($channelName, 'private-')) {
return PrivateChannel::class;
}
if (starts_with($channelName, 'presence-')) {
return PresenceChannel::class;
}
return Channel::class;
}
public function getChannels(string $appId): array
{
return $this->channels[$appId] ?? [];
}
public function removeFromAllChannels(ConnectionInterface $connection)
{
if (! isset($connection->client)) {
return;
}
/**
* Remove the connection from all channels.
*/
collect(array_get($this->channels, $connection->client->appId, []))->each->unsubscribe($connection);
/**
* Unset all channels that have no connections so we don't leak memory.
*/
collect(array_get($this->channels, $connection->client->appId, []))
->reject->hasConnections()
->each(function (Channel $channel, string $channelName) use ($connection) {
unset($this->channels[$connection->client->appId][$channelName]);
});
if (count(array_get($this->channels, $connection->client->appId, [])) === 0) {
unset($this->channels[$connection->client->appId]);
};
}
}