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Commita7ad1b4

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Dispatching two events when a message is sent & handled
1 parent6ff1185 commita7ad1b4

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3 files changed

+80
-2
lines changed

3 files changed

+80
-2
lines changed
Lines changed: 44 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespaceSymfony\Component\Messenger\Event;
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useSymfony\Component\EventDispatcher\Event;
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useSymfony\Component\Messenger\Envelope;
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/**
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* Event is dispatched before a message is sent to the transport.
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*
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* The event is *only* dispatched if the message will actually
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* be sent to at least one transport. If the message is sent
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* to multiple transports, the message is dispatched only one time.
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*
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* @author Ryan Weaver <ryan@symfonycasts.com>
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*/
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class SendMessageToTransportsEventextends Event
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{
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private$envelope;
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publicfunction__construct(Envelope$envelope)
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{
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$this->envelope =$envelope;
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}
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publicfunctiongetEnvelope():Envelope
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{
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return$this->envelope;
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}
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publicfunctionsetEnvelope(Envelope$envelope)
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{
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$this->envelope =$envelope;
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}
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}

‎src/Symfony/Component/Messenger/Middleware/SendMessageMiddleware.php‎

Lines changed: 14 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,9 @@
1313

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usePsr\Log\LoggerAwareTrait;
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usePsr\Log\NullLogger;
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useSymfony\Component\EventDispatcher\EventDispatcherInterface;
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useSymfony\Component\Messenger\Envelope;
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useSymfony\Component\Messenger\Event\SendMessageToTransportsEvent;
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useSymfony\Component\Messenger\Stamp\ReceivedStamp;
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useSymfony\Component\Messenger\Stamp\RedeliveryStamp;
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useSymfony\Component\Messenger\Stamp\SentStamp;
@@ -30,10 +32,12 @@ class SendMessageMiddleware implements MiddlewareInterface
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use LoggerAwareTrait;
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private$sendersLocator;
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private$eventDispatcher;
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34-
publicfunction__construct(SendersLocatorInterface$sendersLocator)
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publicfunction__construct(SendersLocatorInterface$sendersLocator,EventDispatcherInterface$eventDispatcher =null)
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{
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$this->sendersLocator =$sendersLocator;
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$this->eventDispatcher =$eventDispatcher;
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$this->logger =newNullLogger();
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}
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@@ -58,7 +62,15 @@ public function handle(Envelope $envelope, StackInterface $stack): Envelope
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/** @var RedeliveryStamp|null $redeliveryStamp */
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$redeliveryStamp =$envelope->last(RedeliveryStamp::class);
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61-
foreach ($this->sendersLocator->getSenders($envelope,$handle)as$alias =>$sender) {
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$senders =\iterator_to_array($this->sendersLocator->getSenders($envelope,$handle));
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if (null !==$this->eventDispatcher &&\count($senders) >0) {
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$event =newSendMessageToTransportsEvent($envelope);
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$this->eventDispatcher->dispatch($event);
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$envelope =$event->getEnvelope();
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}
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foreach ($sendersas$alias =>$sender) {
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// on redelivery, only deliver to the given sender
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if (null !==$redeliveryStamp && !$redeliveryStamp->shouldRedeliverToSender(\get_class($sender),$alias)) {
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continue;

‎src/Symfony/Component/Messenger/Tests/Middleware/SendMessageMiddlewareTest.php‎

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,9 @@
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namespaceSymfony\Component\Messenger\Tests\Middleware;
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useSymfony\Component\EventDispatcher\EventDispatcherInterface;
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useSymfony\Component\Messenger\Envelope;
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useSymfony\Component\Messenger\Event\SendMessageToTransportsEvent;
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useSymfony\Component\Messenger\Middleware\SendMessageMiddleware;
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useSymfony\Component\Messenger\Stamp\ReceivedStamp;
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useSymfony\Component\Messenger\Stamp\RedeliveryStamp;
@@ -202,4 +204,24 @@ public function testItSkipsReceivedMessages()
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$this->assertNull($envelope->last(SentStamp::class),'it does not add sent stamp for received messages');
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}
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publicfunctiontestItDispatchesTheEventOnceTime()
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{
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$envelope =newEnvelope(newDummyMessage('original envelope'));
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$dispatcher =$this->createMock(EventDispatcherInterface::class);
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$dispatcher->expects($this->once())
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->method('dispatch')
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->with(newSendMessageToTransportsEvent($envelope));
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$sender1 =$this->getMockBuilder(SenderInterface::class)->getMock();
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$sender2 =$this->getMockBuilder(SenderInterface::class)->getMock();
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$middleware =newSendMessageMiddleware(newSendersLocator([DummyMessage::class => [$sender1,$sender2]]),$dispatcher);
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$sender1->expects($this->once())->method('send')->willReturn($envelope);
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$sender2->expects($this->once())->method('send')->willReturn($envelope);
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$middleware->handle($envelope,$this->getStackMock(false));
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}
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}

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