From 5b35943aa19459fa1065358e41f4811b529aa182 Mon Sep 17 00:00:00 2001
From: Morgan Abraham <morgan@geekimo.me>
Date: Sun, 9 Nov 2025 21:14:37 +0100
Subject: [PATCH] fix(serializer): properly handle read link parameters when
 generating iris

---
 src/Symfony/Routing/IriConverter.php          |  9 +++++++++
 .../Parameters/LinkProviderParameterTest.php  | 20 +++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/src/Symfony/Routing/IriConverter.php b/src/Symfony/Routing/IriConverter.php
index 7828db05aaf..b74f5565441 100644
--- a/src/Symfony/Routing/IriConverter.php
+++ b/src/Symfony/Routing/IriConverter.php
@@ -183,6 +183,15 @@ private function generateSymfonyRoute(object|string $resource, int $referenceTyp
     {
         $identifiers = $context['uri_variables'] ?? [];
 
+        foreach ($identifiers as $identifier) {
+            if (is_object($identifier)) {
+                $identifiers = [
+                    ...$identifiers,
+                    ...$this->identifiersExtractor->getIdentifiersFromItem($identifier, $identifiersExtractorOperation, $context),
+                ];
+            }
+        }
+
         if (\is_object($resource)) {
             try {
                 $identifiers = $this->identifiersExtractor->getIdentifiersFromItem($resource, $identifiersExtractorOperation, $context);
diff --git a/tests/Functional/Parameters/LinkProviderParameterTest.php b/tests/Functional/Parameters/LinkProviderParameterTest.php
index 0288bd0f684..d047a57323d 100644
--- a/tests/Functional/Parameters/LinkProviderParameterTest.php
+++ b/tests/Functional/Parameters/LinkProviderParameterTest.php
@@ -183,4 +183,24 @@ public function testUriVariableHasDummy(): void
             'dummy' => '/dummies/1',
         ]);
     }
+
+    public function testCollectionIdIsCorrect(): void
+    {
+        $container = static::getContainer();
+        if ('mongodb' === $container->getParameter('kernel.environment')) {
+            $this->markTestSkipped();
+        }
+
+        $manager = $this->getManager();
+        $dummy = new Dummy();
+        $dummy->setName('hi');
+        $manager->persist($dummy);
+        $manager->flush();
+
+        self::createClient()->request('GET', '/link_parameter_provider_resources/'.$dummy->getId());
+
+        $this->assertJsonContains([
+            '@id' => '/link_parameter_provider_resources/1',
+        ]);
+    }
 }