new Deps

vendor/nuwave/lighthouse/src/Subscriptions/Directives/BroadcastDirective.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Nuwave\Lighthouse\Subscriptions\Directives;
+
+use Closure;
+use Nuwave\Lighthouse\Execution\Utils\Subscription;
+use Nuwave\Lighthouse\Schema\Directives\BaseDirective;
+use Nuwave\Lighthouse\Schema\Values\FieldValue;
+use Nuwave\Lighthouse\Support\Contracts\FieldMiddleware;
+
+class BroadcastDirective extends BaseDirective implements FieldMiddleware
+{
+    public static function definition(): string
+    {
+        return /** @lang GraphQL */ <<<'GRAPHQL'
+"""
+Broadcast the results of a mutation to subscribed clients.
+"""
+directive @broadcast(
+  """
+  Name of the subscription that should be retriggered as a result of this operation.
+  """
+  subscription: String!
+
+  """
+  Specify whether or not the job should be queued.
+  This defaults to the global config option `lighthouse.subscriptions.queue_broadcasts`.
+  """
+  shouldQueue: Boolean
+) repeatable on FIELD_DEFINITION
+GRAPHQL;
+    }
+
+    public function handleField(FieldValue $fieldValue, Closure $next): FieldValue
+    {
+        // Ensure this is run after the other field middleware directives
+        $fieldValue = $next($fieldValue);
+
+        $subscriptionField = $this->directiveArgValue('subscription');
+        $shouldQueue = $this->directiveArgValue('shouldQueue');
+
+        $fieldValue->resultHandler(function ($root) use ($subscriptionField, $shouldQueue) {
+            Subscription::broadcast($subscriptionField, $root, $shouldQueue);
+
+            return $root;
+        });
+
+        return $fieldValue;
+    }
+}