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Commit3da709d

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feature#17174 [Messenger] HandlerArgumentsStamp (enumag)
This PR was submitted for the 6.2 branch but it was merged into the 6.3 branch instead.Discussion----------[Messenger] HandlerArgumentsStampRefs*symfony/symfony#45418Commits-------756a0ca [Messenger] HandlerArgumentsStamp
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‎messenger.rst‎

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@@ -2513,6 +2513,59 @@ of the process. For each, the event class is the event name:
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The ``WorkerRateLimitedEvent`` was introduced in Symfony 6.2.
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Additional Handler Arguments
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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It's possible to have messenger pass additional data to the message handler
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using the:class:`Symfony\\Component\\Messenger\\Stamp\\HandlerArgumentsStamp`.
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Add this stamp to the envelope in a middleware and fill it with any additional
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data you want to have available in the handler::
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// src/Messenger/AdditionalArgumentMiddleware.php
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namespace App\Messenger;
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use Symfony\Component\Messenger\Envelope;
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use Symfony\Component\Messenger\Middleware\MiddlewareInterface;
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use Symfony\Component\Messenger\Middleware\StackInterface;
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use Symfony\Component\Messenger\Stamp\HandlerArgumentsStamp;
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final class AdditionalArgumentMiddleware implements MiddlewareInterface
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{
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public function handle(Envelope $envelope, StackInterface $stack): Envelope
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{
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$envelope = $envelope->with(new HandlerArgumentsStamp([
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$this->resolveAdditionalArgument($envelope->getMessage()),
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]));
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return $stack->next()->handle($envelope, $stack);
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}
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private function resolveAdditionalArgument(object $message): mixed
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{
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// ...
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}
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}
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Then your handler will look like this::
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// src/MessageHandler/SmsNotificationHandler.php
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namespace App\MessageHandler;
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use App\Message\SmsNotification;
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class SmsNotificationHandler
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{
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public function __invoke(SmsNotification $message, mixed $additionalArgument)
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{
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// ...
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}
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}
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..versionadded::6.2
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The:class:`Symfony\\Component\\Messenger\\Stamp\\HandlerArgumentsStamp`
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was introduced in Symfony 6.2.
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Multiple Buses, Command & Event Buses
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-------------------------------------
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