fix(doctrine): put-create under a slug parent link

src/Doctrine/Common/State/PersistProcessor.php

@@ -102,7 +102,15 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
                             $referenceIdentifier = $this->getIdentifierValue($identifiers);
                         }
 
-                        $reflectionProperties[$toProperty]->setValue($newData, $parentManager->getReference($fromClass, $referenceIdentifier));
+                        $doctrineIdentifiers = $parentManager->getClassMetadata($fromClass)->getIdentifierFieldNames();
+                        if (!array_diff($identifierProperties, $doctrineIdentifiers) && !array_diff($doctrineIdentifiers, $identifierProperties)) {
+                            $parent = $parentManager->getReference($fromClass, $referenceIdentifier);
+                        } else {
+                            $criteria = $hasCompositeIdentifiers ? $referenceIdentifier : [$identifierProperties[0] => $referenceIdentifier];
+                            $parent = $parentManager->getRepository($fromClass)->findOneBy($criteria);
+                        }
+
+                        $reflectionProperties[$toProperty]->setValue($newData, $parent);
 
                         continue;
                     }

src/Doctrine/Common/Tests/State/PersistProcessorTest.php

@@ -220,7 +220,11 @@ public function testPersistPutCreateResolvesParentLinkViaToProperty(): void
         $deviceManagerProphecy->flush()->shouldBeCalled();
         $deviceManagerProphecy->refresh($device)->shouldBeCalled();
 
+        $userClassMetadata = new ORMClassMetadata(PersistProcessorTestUserStub::class);
+        $userClassMetadata->identifier = ['id'];
+
         $userManagerProphecy = $this->prophesize(EntityManagerInterface::class);
+        $userManagerProphecy->getClassMetadata(PersistProcessorTestUserStub::class)->willReturn($userClassMetadata);
         $userManagerProphecy->getReference(PersistProcessorTestUserStub::class, 'user-uuid')
             ->willReturn($userReference)
             ->shouldBeCalledTimes(1);

tests/Fixtures/TestBundle/Document/CompanyBadge.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <dunglas@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace ApiPlatform\Tests\Fixtures\TestBundle\Document;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\Link;
+use ApiPlatform\Metadata\Put;
+use Doctrine\ODM\MongoDB\Mapping\Annotations as ODM;
+
+#[ApiResource]
+#[Get(uriTemplate: '/company_badges/{code}')]
+#[Put(
+    uriTemplate: '/companies-by-name/{name}/badges/{code}',
+    allowCreate: true,
+    uriVariables: [
+        'name' => new Link(identifiers: ['name'], fromClass: Company::class, toProperty: 'company'),
+        'code' => new Link(fromClass: self::class),
+    ],
+)]
+#[ODM\Document]
+class CompanyBadge
+{
+    #[ODM\Id(type: 'string', strategy: 'NONE')]
+    public string $code;
+
+    #[ODM\ReferenceOne(targetDocument: Company::class, storeAs: 'id')]
+    public ?Company $company = null;
+
+    #[ODM\Field]
+    public string $label;
+}

tests/Fixtures/TestBundle/Entity/CompanyBadge.php

@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <dunglas@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace ApiPlatform\Tests\Fixtures\TestBundle\Entity;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\Link;
+use ApiPlatform\Metadata\Put;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ApiResource]
+#[Get(uriTemplate: '/company_badges/{code}')]
+#[Put(
+    uriTemplate: '/companies-by-name/{name}/badges/{code}',
+    allowCreate: true,
+    uriVariables: [
+        'name' => new Link(identifiers: ['name'], fromClass: Company::class, toProperty: 'company'),
+        'code' => new Link(fromClass: self::class),
+    ],
+)]
+#[ORM\Entity]
+class CompanyBadge
+{
+    #[ORM\Id]
+    #[ORM\Column]
+    public string $code;
+
+    #[ORM\ManyToOne(targetEntity: Company::class)]
+    public ?Company $company = null;
+
+    #[ORM\Column]
+    public string $label;
+}

tests/Functional/Parameters/LinkProviderParameterTest.php

@@ -20,7 +20,10 @@
 use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\Issue7939FooResource;
 use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\LinkParameterProviderResource;
 use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\WithParameter;
+use ApiPlatform\Tests\Fixtures\TestBundle\Document\Company as DocumentCompany;
+use ApiPlatform\Tests\Fixtures\TestBundle\Document\CompanyBadge as DocumentCompanyBadge;
 use ApiPlatform\Tests\Fixtures\TestBundle\Entity\Company;
+use ApiPlatform\Tests\Fixtures\TestBundle\Entity\CompanyBadge;
 use ApiPlatform\Tests\Fixtures\TestBundle\Entity\Dummy;
 use ApiPlatform\Tests\Fixtures\TestBundle\Entity\Employee;
 use ApiPlatform\Tests\Fixtures\TestBundle\Entity\Issue7469Dummy;
@@ -43,15 +46,15 @@ final class LinkProviderParameterTest extends ApiTestCase
      */
     public static function getResources(): array
     {
-        return [WithParameter::class, Dummy::class, Employee::class, Company::class, LinkParameterProviderResource::class, Issue7469TestResource::class, Issue7469Dummy::class, Pairing::class, Plan::class, Issue7939FooResource::class, Issue7939BarResource::class, Issue7939BazResource::class];
+        return [WithParameter::class, Dummy::class, Employee::class, Company::class, CompanyBadge::class, LinkParameterProviderResource::class, Issue7469TestResource::class, Issue7469Dummy::class, Pairing::class, Plan::class, Issue7939FooResource::class, Issue7939BarResource::class, Issue7939BazResource::class];
     }
 
     /**
      * @throws \Throwable
      */
     protected function setUp(): void
     {
-        $this->recreateSchema([Dummy::class, RelatedOwnedDummy::class, RelatedDummy::class, Employee::class, Company::class, Issue7469Dummy::class, Plan::class, Pairing::class]);
+        $this->recreateSchema([Dummy::class, RelatedOwnedDummy::class, RelatedDummy::class, Employee::class, Company::class, CompanyBadge::class, Issue7469Dummy::class, Plan::class, Pairing::class]);
     }
 
     public function testReadDummyProviderFromQueryParameter(): void
@@ -147,6 +150,30 @@ public function testLinkSecurityWithSlug(): void
         self::assertResponseStatusCodeSame(200);
     }
 
+    public function testPutCreateUnderSlugParentLink(): void
+    {
+        $companyClass = $this->isMongoDB() ? DocumentCompany::class : Company::class;
+        $badgeClass = $this->isMongoDB() ? DocumentCompanyBadge::class : CompanyBadge::class;
+
+        $manager = $this->getManager();
+        $company = new $companyClass();
+        $company->setName('Test');
+        $manager->persist($company);
+        $manager->flush();
+        $companyId = $company->getId();
+
+        self::createClient()->request('PUT', '/companies-by-name/Test/badges/gold', [
+            'headers' => ['Content-Type' => 'application/ld+json'],
+            'json' => ['label' => 'Gold'],
+        ]);
+        self::assertResponseStatusCodeSame(201);
+
+        $manager->clear();
+        $badge = $manager->getRepository($badgeClass)->find('gold');
+        self::assertNotNull($badge);
+        self::assertSame($companyId, $badge->company->getId());
+    }
+
     /**
      * See https://github.com/api-platform/core/issues/7061.
      */