update

projects/priceservice/vendor/symfony/messenger/HandleTrait.php

@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Messenger;
+
+use Symfony\Component\Messenger\Exception\LogicException;
+use Symfony\Component\Messenger\Stamp\HandledStamp;
+
+/**
+ * Leverages a message bus to expect a single, synchronous message handling and return its result.
+ *
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+trait HandleTrait
+{
+    private MessageBusInterface $messageBus;
+
+    /**
+     * Dispatches the given message, expecting to be handled by a single handler
+     * and returns the result from the handler returned value.
+     * This behavior is useful for both synchronous command & query buses,
+     * the last one usually returning the handler result.
+     *
+     * @param object|Envelope $message The message or the message pre-wrapped in an envelope
+     */
+    private function handle(object $message): mixed
+    {
+        if (!isset($this->messageBus)) {
+            throw new LogicException(sprintf('You must provide a "%s" instance in the "%s::$messageBus" property, but that property has not been initialized yet.', MessageBusInterface::class, static::class));
+        }
+
+        $envelope = $this->messageBus->dispatch($message);
+        /** @var HandledStamp[] $handledStamps */
+        $handledStamps = $envelope->all(HandledStamp::class);
+
+        if (!$handledStamps) {
+            throw new LogicException(sprintf('Message of type "%s" was handled zero times. Exactly one handler is expected when using "%s::%s()".', get_debug_type($envelope->getMessage()), static::class, __FUNCTION__));
+        }
+
+        if (\count($handledStamps) > 1) {
+            $handlers = implode(', ', array_map(fn (HandledStamp $stamp): string => sprintf('"%s"', $stamp->getHandlerName()), $handledStamps));
+
+            throw new LogicException(sprintf('Message of type "%s" was handled multiple times. Only one handler is expected when using "%s::%s()", got %d: %s.', get_debug_type($envelope->getMessage()), static::class, __FUNCTION__, \count($handledStamps), $handlers));
+        }
+
+        return $handledStamps[0]->getResult();
+    }
+}