fix(symfony): explicitly set the target when mapping entities to resources

src/State/Processor/ObjectMapperProcessor.php

@@ -42,6 +42,6 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
             return $this->decorated->process($data, $operation, $uriVariables, $context);
         }
 
-        return $this->objectMapper->map($this->decorated->process($this->objectMapper->map($data), $operation, $uriVariables, $context));
+        return $this->objectMapper->map($this->decorated->process($this->objectMapper->map($data), $operation, $uriVariables, $context), $operation->getClass());
     }
 }

src/State/Provider/ObjectMapperProvider.php

@@ -64,9 +64,9 @@ public function provide(Operation $operation, array $uriVariables = [], array $c
         }
 
         if ($data instanceof PaginatorInterface) {
-            $data = new ArrayPaginator(array_map(fn ($v) => $this->objectMapper->map($v), iterator_to_array($data)), 0, \count($data));
+            $data = new ArrayPaginator(array_map(fn ($v) => $this->objectMapper->map($v, $operation->getClass()), iterator_to_array($data)), 0, \count($data));
         } else {
-            $data = $this->objectMapper->map($data);
+            $data = $this->objectMapper->map($data, $operation->getClass());
         }
 
         $request?->attributes->set('data', $data);

tests/Fixtures/TestBundle/ApiResource/FirstResource.php

@@ -0,0 +1,34 @@
+<?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\ApiResource;
+
+use ApiPlatform\Doctrine\Orm\State\Options;
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Tests\Fixtures\TestBundle\Entity\SameEntity;
+use Symfony\Component\ObjectMapper\Attribute\Map;
+
+#[ApiResource(
+    shortName: 'First',
+    operations: [new GetCollection()],
+    stateOptions: new Options(entityClass: SameEntity::class)
+)]
+#[Map(target: SameEntity::class)]
+final class FirstResource
+{
+    #[Map(if: false)]
+    public ?int $id = null;
+
+    public string $name;
+}

tests/Fixtures/TestBundle/ApiResource/SecondResource.php

@@ -0,0 +1,36 @@
+<?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\ApiResource;
+
+use ApiPlatform\Doctrine\Orm\State\Options;
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Tests\Fixtures\TestBundle\Entity\SameEntity;
+use Symfony\Component\ObjectMapper\Attribute\Map;
+
+#[ApiResource(
+    shortName: 'Second',
+    operations: [new GetCollection()],
+    stateOptions: new Options(entityClass: SameEntity::class)
+)]
+#[Map(target: SameEntity::class)]
+final class SecondResource
+{
+    #[Map(if: false)]
+    public ?int $id = null;
+
+    public string $name;
+
+    public string $extra = 'field';
+}

tests/Fixtures/TestBundle/Entity/SameEntity.php

@@ -0,0 +1,48 @@
+<?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\Tests\Fixtures\TestBundle\ApiResource\FirstResource;
+use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\SecondResource;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\ObjectMapper\Attribute\Map;
+
+#[ORM\Entity]
+#[Map(target: FirstResource::class)]
+#[Map(target: SecondResource::class)]
+class SameEntity
+{
+    #[ORM\Column(type: 'integer')]
+    #[ORM\Id]
+    #[ORM\GeneratedValue(strategy: 'AUTO')]
+    private ?int $id = null;
+
+    #[ORM\Column]
+    private string $name;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function setName(string $name): void
+    {
+        $this->name = $name;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+}

tests/Functional/MappingTest.php

@@ -14,10 +14,13 @@
 namespace ApiPlatform\Tests\Functional;
 
 use ApiPlatform\Symfony\Bundle\Test\ApiTestCase;
+use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\FirstResource;
 use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\MappedResource;
 use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\MappedResourceOdm;
+use ApiPlatform\Tests\Fixtures\TestBundle\ApiResource\SecondResource;
 use ApiPlatform\Tests\Fixtures\TestBundle\Document\MappedDocument;
 use ApiPlatform\Tests\Fixtures\TestBundle\Entity\MappedEntity;
+use ApiPlatform\Tests\Fixtures\TestBundle\Entity\SameEntity;
 use ApiPlatform\Tests\RecreateSchemaTrait;
 use ApiPlatform\Tests\SetupClassResourcesTrait;
 use Doctrine\ODM\MongoDB\DocumentManager;
@@ -33,7 +36,7 @@ final class MappingTest extends ApiTestCase
      */
     public static function getResources(): array
     {
-        return [MappedResource::class, MappedResourceOdm::class];
+        return [MappedResource::class, MappedResourceOdm::class, FirstResource::class, SecondResource::class];
     }
 
     public function testShouldMapBetweenResourceAndEntity(): void
@@ -68,6 +71,29 @@ public function testShouldMapBetweenResourceAndEntity(): void
         $this->assertJsonContains(['username' => 'ba zar']);
     }
 
+    public function testShouldMapToTheCorrectResource(): void
+    {
+        if ($this->isMongoDB()) {
+            $this->markTestSkipped('MongoDB not tested.');
+        }
+
+        if (!$this->getContainer()->has('object_mapper')) {
+            $this->markTestSkipped('ObjectMapper not installed');
+        }
+
+        $this->recreateSchema([SameEntity::class]);
+        $manager = $this->getManager();
+        $e = new SameEntity();
+        $e->setName('foo');
+        $manager->persist($e);
+        $manager->flush();
+
+        self::createClient()->request('GET', '/seconds');
+        $this->assertJsonContains(['hydra:member' => [
+            ['name' => 'foo', 'extra' => 'field'],
+        ]]);
+    }
+
     private function loadFixtures(): void
     {
         $manager = $this->getManager();