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<?php |
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namespace BeyondCode\LaravelWebSockets\API; |
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use Illuminate\Http\Request; |
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use Illuminate\Support\Str; |
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use Symfony\Component\HttpKernel\Exception\HttpException; |
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class FetchChannel extends Controller |
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{ |
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/** |
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* Handle the incoming request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return \Illuminate\Http\Response |
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*/ |
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public function __invoke(Request $request) |
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{ |
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$channel = $this->channelManager->find( |
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$request->appId, $request->channelName |
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); |
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if (is_null($channel)) { |
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return new HttpException(404, "Unknown channel `{$request->channelName}`."); |
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} |
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return $this->channelManager |
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->getGlobalConnectionsCount($request->appId, $request->channelName) |
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->then(function ($connectionsCount) use ($request) { |
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// For the presence channels, we need a slightly different response |
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// that need an additional call. |
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if (Str::startsWith($request->channelName, 'presence-')) { |
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return $this->channelManager |
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->getChannelsMembersCount($request->appId, [$request->channelName]) |
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->then(function ($channelMembers) use ($connectionsCount, $request) { |
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return [ |
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'occupied' => $connectionsCount > 0, |
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'subscription_count' => $connectionsCount, |
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'user_count' => $channelMembers[$request->channelName] ?? 0, |
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]; |
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}); |
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} |
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// For the rest of the channels, we might as well |
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// send the basic response with the subscriptions count. |
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return [ |
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'occupied' => $connectionsCount > 0, |
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'subscription_count' => $connectionsCount, |
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]; |
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}); |
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} |
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} |
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beyondcode /
laravel-websockets
