[Bug] Fix integer Identifiers denormalization

features/bootstrap/FeatureContext.php

@@ -733,6 +733,7 @@ public function thereIsARelatedDummyWithFriends(int $nb)
         $relatedDummy2->setName('RelatedDummy without friends');
         $this->manager->persist($relatedDummy2);
         $this->manager->flush();
+        $this->manager->clear();
     }
 
     /**

features/doctrine/search_filter.feature

@@ -10,6 +10,7 @@ Feature: Search filter on collections
     And I send a "GET" request to "/related_dummies?relatedToDummyFriend.dummyFriend=/dummy_friends/4"
     Then the response status code should be 200
     And the JSON node "_embedded.item" should have 1 element
+    And the JSON node "_embedded.item[0].id" should be equal to the number 1
     And the JSON node "_embedded.item[0]._links.relatedToDummyFriend" should have 4 elements
     And the JSON node "_embedded.item[0]._embedded.relatedToDummyFriend" should have 4 elements
 

features/main/non_resource.feature

@@ -11,7 +11,7 @@ Feature: Non-resources handling
         "@context": "/contexts/ContainNonResource",
         "@id": "/contain_non_resources/1",
         "@type": "ContainNonResource",
-        "id": "1",
+        "id": 1,
         "nested": {
             "@id": "/contain_non_resources/1-nested",
             "@type": "ContainNonResource",

src/Bridge/Symfony/Bundle/Resources/config/api.xml

@@ -236,6 +236,10 @@
             <argument type="tagged" tag="api_platform.identifier.denormalizer" />
         </service>
 
+        <service id="api_platform.identifier.integer" class="ApiPlatform\Core\Identifier\Normalizer\IntegerDenormalizer" public="false">
+            <tag name="api_platform.identifier.denormalizer" />
+        </service>
+
         <service id="api_platform.identifier.date_normalizer" class="ApiPlatform\Core\Identifier\Normalizer\DateTimeIdentifierDenormalizer" public="false">
             <tag name="api_platform.identifier.denormalizer" />
         </service>

src/Identifier/Normalizer/ChainIdentifierDenormalizer.php

@@ -62,9 +62,8 @@ public function denormalize($data, $class, $format = null, array $context = [])
                 throw new InvalidIdentifierException(sprintf('Invalid identifier "%1$s", "%1$s" was not found.', $key));
             }
 
+            $metadata = $this->getIdentifierMetadata($class, $key);
             foreach ($this->identifierDenormalizers as $normalizer) {
-                $metadata = $this->getIdentifierMetadata($class, $key);
-
                 if (!$normalizer->supportsDenormalization($identifiers[$key], $metadata)) {
                     continue;
                 }
@@ -82,8 +81,10 @@ public function denormalize($data, $class, $format = null, array $context = [])
 
     private function getIdentifierMetadata($class, $propertyName)
     {
-        $type = $this->propertyMetadataFactory->create($class, $propertyName)->getType();
+        if (!$type = $this->propertyMetadataFactory->create($class, $propertyName)->getType()) {
+            return null;
+        }
 
-        return $type && Type::BUILTIN_TYPE_OBJECT === $type->getBuiltinType() ? $type->getClassName() : null;
+        return Type::BUILTIN_TYPE_OBJECT === ($builtInType = $type->getBuiltinType()) ? $type->getClassName() : $builtInType;
     }
 }

src/Identifier/Normalizer/IntegerDenormalizer.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the API Platform project.
+ *
+ * (c) Kévin Dunglas <[email protected]>
+ *
+ * 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\Core\Identifier\Normalizer;
+
+use Symfony\Component\PropertyInfo\Type;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+
+final class IntegerDenormalizer implements DenormalizerInterface
+{
+    public function denormalize($data, $class, $format = null, array $context = []): int
+    {
+        return (int) $data;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDenormalization($data, $type, $format = null): bool
+    {
+        return Type::BUILTIN_TYPE_INT === $type && \is_string($data);
+    }
+}

tests/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtensionTest.php

@@ -500,6 +500,7 @@ private function getPartialContainerBuilderProphecy($test = false)
             'api_platform.filters',
             'api_platform.iri_converter',
             'api_platform.identifier.denormalizer',
+            'api_platform.identifier.integer',
             'api_platform.identifier.date_normalizer',
             'api_platform.identifier.uuid_normalizer',
             'api_platform.identifiers_extractor',

tests/Identifier/Normalizer/ChainIdentifierDenormalizerTest.php

@@ -16,6 +16,7 @@
 use ApiPlatform\Core\Api\IdentifiersExtractorInterface;
 use ApiPlatform\Core\Identifier\Normalizer\ChainIdentifierDenormalizer;
 use ApiPlatform\Core\Identifier\Normalizer\DateTimeIdentifierDenormalizer;
+use ApiPlatform\Core\Identifier\Normalizer\IntegerDenormalizer;
 use ApiPlatform\Core\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
 use ApiPlatform\Core\Metadata\Property\PropertyMetadata;
 use PHPUnit\Framework\TestCase;
@@ -31,22 +32,25 @@ public function testCompositeIdentifier()
         $identifier = 'a=1;c=2;d=2015-04-05';
         $class = 'Dummy';
 
+        $integerPropertyMetadata = (new PropertyMetadata())->withIdentifier(true)->withType(new Type(Type::BUILTIN_TYPE_INT));
         $identifierPropertyMetadata = (new PropertyMetadata())->withIdentifier(true);
         $dateIdentifierPropertyMetadata = (new PropertyMetadata())->withIdentifier(true)->withType(new Type(Type::BUILTIN_TYPE_OBJECT, false, \DateTime::class));
 
         $propertyMetadataFactory = $this->prophesize(PropertyMetadataFactoryInterface::class);
-        $propertyMetadataFactory->create($class, 'a')->shouldBeCalled()->willReturn($identifierPropertyMetadata);
+        $propertyMetadataFactory->create($class, 'a')->shouldBeCalled()->willReturn($integerPropertyMetadata);
         $propertyMetadataFactory->create($class, 'c')->shouldBeCalled()->willReturn($identifierPropertyMetadata);
         $propertyMetadataFactory->create($class, 'd')->shouldBeCalled()->willReturn($dateIdentifierPropertyMetadata);
 
         $identifiersExtractor = $this->prophesize(IdentifiersExtractorInterface::class);
         $identifiersExtractor->getIdentifiersFromResourceClass($class)->willReturn(['a', 'c', 'd']);
 
-        $identifierDenormalizers = [new DateTimeIdentifierDenormalizer()];
+        $identifierDenormalizers = [new IntegerDenormalizer(), new DateTimeIdentifierDenormalizer()];
 
         $identifierDenormalizer = new ChainIdentifierDenormalizer($identifiersExtractor->reveal(), $propertyMetadataFactory->reveal(), $identifierDenormalizers);
 
-        $this->assertEquals($identifierDenormalizer->denormalize($identifier, $class), ['a' => '1', 'c' => '2', 'd' => new \DateTime('2015-04-05')]);
+        $result = $identifierDenormalizer->denormalize($identifier, $class);
+        $this->assertEquals(['a' => 1, 'c' => '2', 'd' => new \DateTime('2015-04-05')], $result);
+        $this->assertSame(1, $result['a']);
     }
 
     public function testSingleDateIdentifier()
@@ -67,4 +71,23 @@ public function testSingleDateIdentifier()
 
         $this->assertEquals($identifierDenormalizer->denormalize($identifier, $class), ['funkyid' => new \DateTime('2015-04-05')]);
     }
+
+    public function testIntegerIdentifier()
+    {
+        $identifier = '42';
+        $class = 'Dummy';
+
+        $integerIdentifierPropertyMetadata = (new PropertyMetadata())->withIdentifier(true)->withType(new Type(Type::BUILTIN_TYPE_INT));
+
+        $propertyMetadataFactory = $this->prophesize(PropertyMetadataFactoryInterface::class);
+        $propertyMetadataFactory->create($class, 'id')->shouldBeCalled()->willReturn($integerIdentifierPropertyMetadata);
+
+        $identifiersExtractor = $this->prophesize(IdentifiersExtractorInterface::class);
+        $identifiersExtractor->getIdentifiersFromResourceClass($class)->willReturn(['id']);
+
+        $identifierDenormalizers = [new IntegerDenormalizer()];
+        $identifierDenormalizer = new ChainIdentifierDenormalizer($identifiersExtractor->reveal(), $propertyMetadataFactory->reveal(), $identifierDenormalizers);
+
+        $this->assertSame(['id' => 42], $identifierDenormalizer->denormalize($identifier, $class));
+    }
 }