Wire PostgreSqlNotifyOnIdleListener for doctrine-messenger

Author: d-ph

config/messenger.php

@@ -10,6 +10,7 @@
 use Symfony\Bridge\Doctrine\Messenger\DoctrinePingConnectionMiddleware;
 use Symfony\Bridge\Doctrine\Messenger\DoctrineTransactionMiddleware;
 use Symfony\Bridge\Doctrine\SchemaListener\MessengerTransportDoctrineSchemaListener;
+use Symfony\Component\Messenger\Bridge\Doctrine\EventListener\PostgreSqlNotifyOnIdleListener;
 use Symfony\Component\Messenger\Bridge\Doctrine\Transport\DoctrineTransportFactory;
 
 return static function (ContainerConfigurator $container): void {
@@ -51,12 +52,19 @@
             ->tag('messenger.transport_factory')
             ->args([
                 service('doctrine'),
+                service('messenger.transport.doctrine.pg_notify_on_idle_listener')->ignoreOnInvalid(),
             ])
 
         ->set('doctrine.orm.messenger.doctrine_schema_listener', MessengerTransportDoctrineSchemaListener::class)
             ->args([
                 tagged_iterator('messenger.receiver'),
             ])
             ->tag('doctrine.event_listener', ['event' => 'postGenerateSchema'])
-            ->tag('doctrine.event_listener', ['event' => 'onSchemaCreateTable']);
+            ->tag('doctrine.event_listener', ['event' => 'onSchemaCreateTable'])
+
+        ->set('messenger.transport.doctrine.pg_notify_on_idle_listener', PostgreSqlNotifyOnIdleListener::class)
+            ->args([
+                service('logger'),
+            ])
+            ->tag('kernel.event_subscriber');
 };

src/DependencyInjection/DoctrineExtension.php

@@ -62,6 +62,7 @@
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
 use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Messenger\Bridge\Doctrine\EventListener\PostgreSqlNotifyOnIdleListener;
 use Symfony\Component\Messenger\Bridge\Doctrine\Transport\DoctrineTransportFactory;
 use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\PropertyInfo\PropertyInfoExtractorInterface;
@@ -1432,6 +1433,10 @@ private function loadMessengerServices(ContainerBuilder $container): void
         $loader = new PhpFileLoader($container, new FileLocator(__DIR__ . '/../../config'));
         $loader->load('messenger.php');
 
+        if (! class_exists(PostgreSqlNotifyOnIdleListener::class)) {
+            $container->removeDefinition('messenger.transport.doctrine.pg_notify_on_idle_listener');
+        }
+
         /**
          * The Doctrine transport component (symfony/doctrine-messenger) is optional.
          * Remove service definition, if it is not available

tests/DependencyInjection/DoctrineExtensionTest.php

@@ -809,8 +809,9 @@ public function testMessengerIntegrationWithDoctrineTransport(): void
 
         $messengerTransportDoctrineFactory = $container->getDefinition('messenger.transport.doctrine.factory');
 
-        $this->assertCount(1, $messengerTransportDoctrineFactory->getArguments());
+        $this->assertCount(2, $messengerTransportDoctrineFactory->getArguments());
         $this->assertSame('doctrine', (string) $messengerTransportDoctrineFactory->getArgument(0));
+        $this->assertSame('messenger.transport.doctrine.pg_notify_on_idle_listener', (string) $messengerTransportDoctrineFactory->getArgument(1));
 
         $this->assertSame(DoctrineTransportFactory::class, $messengerTransportDoctrineFactory->getClass());