Your Name
108 lines
3.6 KiB
PHP
108 lines
3.6 KiB
PHP
<?php
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namespace Nuwave\Lighthouse\Subscriptions;
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use Illuminate\Contracts\Bus\Dispatcher as BusDispatcher;
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use Illuminate\Http\Request;
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use Nuwave\Lighthouse\GraphQL;
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use Nuwave\Lighthouse\Schema\Types\GraphQLSubscription;
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use Nuwave\Lighthouse\Subscriptions\Contracts\AuthorizesSubscriptions;
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use Nuwave\Lighthouse\Subscriptions\Contracts\BroadcastsSubscriptions;
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use Nuwave\Lighthouse\Subscriptions\Contracts\StoresSubscriptions;
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use Nuwave\Lighthouse\Subscriptions\Contracts\SubscriptionIterator;
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use Symfony\Component\HttpFoundation\Response;
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class SubscriptionBroadcaster implements BroadcastsSubscriptions
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{
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/**
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* @var \Nuwave\Lighthouse\GraphQL
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*/
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protected $graphQL;
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/**
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* @var \Nuwave\Lighthouse\Subscriptions\Contracts\AuthorizesSubscriptions
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*/
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protected $subscriptionAuthorizer;
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/**
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* @var \Nuwave\Lighthouse\Subscriptions\Contracts\StoresSubscriptions
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*/
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protected $subscriptionStorage;
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/**
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* @var \Nuwave\Lighthouse\Subscriptions\Contracts\SubscriptionIterator
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*/
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protected $subscriptionIterator;
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/**
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* @var \Nuwave\Lighthouse\Subscriptions\BroadcastManager
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*/
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protected $broadcastManager;
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/**
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* @var \Illuminate\Contracts\Bus\Dispatcher
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*/
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protected $busDispatcher;
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public function __construct(
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GraphQL $graphQL,
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AuthorizesSubscriptions $subscriptionAuthorizer,
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StoresSubscriptions $subscriptionStorage,
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SubscriptionIterator $subscriptionIterator,
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BroadcastManager $broadcastManager,
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BusDispatcher $busDispatcher
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) {
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$this->graphQL = $graphQL;
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$this->subscriptionAuthorizer = $subscriptionAuthorizer;
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$this->subscriptionStorage = $subscriptionStorage;
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$this->subscriptionIterator = $subscriptionIterator;
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$this->broadcastManager = $broadcastManager;
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$this->busDispatcher = $busDispatcher;
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}
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public function queueBroadcast(GraphQLSubscription $subscription, string $fieldName, $root): void
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{
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$broadcastSubscriptionJob = new BroadcastSubscriptionJob($subscription, $fieldName, $root);
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$broadcastSubscriptionJob->onQueue(config('lighthouse.subscriptions.broadcasts_queue_name'));
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$this->busDispatcher->dispatch($broadcastSubscriptionJob);
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}
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public function broadcast(GraphQLSubscription $subscription, string $fieldName, $root): void
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{
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$topic = $subscription->decodeTopic($fieldName, $root);
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$subscribers = $this->subscriptionStorage
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->subscribersByTopic($topic)
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->filter(function (Subscriber $subscriber) use ($subscription, $root): bool {
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return $subscription->filter($subscriber, $root);
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});
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$this->subscriptionIterator->process(
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$subscribers,
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function (Subscriber $subscriber) use ($root): void {
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$subscriber->root = $root;
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$executionResult = $this->graphQL->executeQuery(
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$subscriber->query,
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$subscriber->context,
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$subscriber->variables,
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$subscriber
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);
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$this->broadcastManager->broadcast(
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$subscriber,
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$this->graphQL->serializable($executionResult)
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);
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}
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);
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}
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public function authorize(Request $request): Response
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{
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return $this->subscriptionAuthorizer->authorize($request)
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? $this->broadcastManager->authorized($request)
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: $this->broadcastManager->unauthorized($request);
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}
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}
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