[GraphQL] Custom types

src/Bridge/Symfony/Bundle/ApiPlatformBundle.php

@@ -17,6 +17,7 @@
 use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\DataProviderPass;
 use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\ElasticsearchClientPass;
 use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\FilterPass;
+use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\GraphQlTypePass;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
@@ -38,5 +39,6 @@ public function build(ContainerBuilder $container)
         $container->addCompilerPass(new AnnotationFilterPass());
         $container->addCompilerPass(new FilterPass());
         $container->addCompilerPass(new ElasticsearchClientPass());
+        $container->addCompilerPass(new GraphQlTypePass());
     }
 }

src/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php

@@ -26,6 +26,7 @@
 use ApiPlatform\Core\DataProvider\ItemDataProviderInterface;
 use ApiPlatform\Core\DataProvider\SubresourceDataProviderInterface;
 use ApiPlatform\Core\Exception\RuntimeException;
+use ApiPlatform\Core\GraphQl\Type\Definition\TypeInterface as GraphQlTypeInterface;
 use Doctrine\Common\Annotations\Annotation;
 use Doctrine\ORM\Version;
 use Elasticsearch\Client;
@@ -112,6 +113,8 @@ public function load(array $configs, ContainerBuilder $container)
             ->addTag('api_platform.subresource_data_provider');
         $container->registerForAutoconfiguration(FilterInterface::class)
             ->addTag('api_platform.filter');
+        $container->registerForAutoconfiguration(GraphQlTypeInterface::class)
+            ->addTag('api_platform.graphql.type');
 
         if (interface_exists(ValidatorInterface::class)) {
             $loader->load('validator.xml');

src/Bridge/Symfony/Bundle/DependencyInjection/Compiler/GraphQlTypePass.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\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Injects GraphQL types.
+ *
+ * @internal
+ *
+ * @author Alan Poulain <contact@alanpoulain.eu>
+ */
+final class GraphQlTypePass implements CompilerPassInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function process(ContainerBuilder $container)
+    {
+        $types = [];
+        foreach ($container->findTaggedServiceIds('api_platform.graphql.type', true) as $serviceId => $tags) {
+            foreach ($tags as $tag) {
+                $types[$tag['id'] ?? $serviceId] = new Reference($serviceId);
+            }
+        }
+
+        $container->getDefinition('api_platform.graphql.type_locator')->addArgument($types);
+        $container->getDefinition('api_platform.graphql.types_factory')->addArgument(array_keys($types));
+    }
+}

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

@@ -40,6 +40,20 @@
             <argument type="service" id="api_platform.iri_converter" />
         </service>
 
+        <!-- Type -->
+
+        <service id="api_platform.graphql.iterable_type" class="ApiPlatform\Core\GraphQl\Type\Definition\IterableType">
+            <tag name="api_platform.graphql.type" />
+        </service>
+
+        <service id="api_platform.graphql.type_locator" class="Symfony\Component\DependencyInjection\ServiceLocator">
+            <tag name="container.service_locator" />
+        </service>
+
+        <service id="api_platform.graphql.types_factory" class="ApiPlatform\Core\GraphQl\Type\TypesFactory">
+            <argument type="service" id="api_platform.graphql.type_locator" />
+        </service>
+
         <service id="api_platform.graphql.schema_builder" class="ApiPlatform\Core\GraphQl\Type\SchemaBuilder" public="false">
             <argument type="service" id="api_platform.metadata.property.name_collection_factory" />
             <argument type="service" id="api_platform.metadata.property.metadata_factory" />
@@ -51,6 +65,7 @@
             <argument type="service" id="api_platform.graphql.resolver.resource_field" />
             <argument type="service" id="api_platform.filter_locator" />
             <argument>%api_platform.collection.pagination.enabled%</argument>
+            <argument type="service" id="api_platform.graphql.types_factory" />
         </service>
 
         <!-- Action -->

src/GraphQl/Type/Definition/IterableType.php

@@ -31,7 +31,7 @@
  *
  * @author Alan Poulain <contact@alanpoulain.eu>
  */
-final class IterableType extends ScalarType
+final class IterableType extends ScalarType implements TypeInterface
 {
     public function __construct()
     {
@@ -41,6 +41,11 @@ public function __construct()
         parent::__construct();
     }
 
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
     /**
      * {@inheritdoc}
      */

src/GraphQl/Type/Definition/TypeInterface.php

@@ -0,0 +1,26 @@
+<?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\Core\GraphQl\Type\Definition;
+
+use GraphQL\Type\Definition\LeafType;
+
+/**
+ * @experimental
+ *
+ * @author Alan Poulain <contact@alanpoulain.eu>
+ */
+interface TypeInterface extends LeafType
+{
+    public function getName(): string;
+}

src/GraphQl/Type/SchemaBuilder.php

@@ -16,7 +16,6 @@
 use ApiPlatform\Core\Exception\ResourceClassNotFoundException;
 use ApiPlatform\Core\GraphQl\Resolver\Factory\ResolverFactoryInterface;
 use ApiPlatform\Core\GraphQl\Serializer\ItemNormalizer;
-use ApiPlatform\Core\GraphQl\Type\Definition\IterableType;
 use ApiPlatform\Core\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
 use ApiPlatform\Core\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
 use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface;
@@ -56,10 +55,11 @@ final class SchemaBuilder implements SchemaBuilderInterface
     private $itemMutationResolverFactory;
     private $defaultFieldResolver;
     private $filterLocator;
+    private $typesFactory;
     private $paginationEnabled;
     private $graphqlTypes = [];
 
-    public function __construct(PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, PropertyMetadataFactoryInterface $propertyMetadataFactory, ResourceNameCollectionFactoryInterface $resourceNameCollectionFactory, ResourceMetadataFactoryInterface $resourceMetadataFactory, ResolverFactoryInterface $collectionResolverFactory, ResolverFactoryInterface $itemMutationResolverFactory, callable $itemResolver, callable $defaultFieldResolver, ContainerInterface $filterLocator = null, bool $paginationEnabled = true)
+    public function __construct(PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, PropertyMetadataFactoryInterface $propertyMetadataFactory, ResourceNameCollectionFactoryInterface $resourceNameCollectionFactory, ResourceMetadataFactoryInterface $resourceMetadataFactory, ResolverFactoryInterface $collectionResolverFactory, ResolverFactoryInterface $itemMutationResolverFactory, callable $itemResolver, callable $defaultFieldResolver, ContainerInterface $filterLocator = null, bool $paginationEnabled = true, TypesFactoryInterface $typesFactory = null)
     {
         $this->propertyNameCollectionFactory = $propertyNameCollectionFactory;
         $this->propertyMetadataFactory = $propertyMetadataFactory;
@@ -70,12 +70,14 @@ public function __construct(PropertyNameCollectionFactoryInterface $propertyName
         $this->itemMutationResolverFactory = $itemMutationResolverFactory;
         $this->defaultFieldResolver = $defaultFieldResolver;
         $this->filterLocator = $filterLocator;
+        $this->typesFactory = $typesFactory;
         $this->paginationEnabled = $paginationEnabled;
     }
 
     public function getSchema(): Schema
     {
-        $this->graphqlTypes['Iterable'] = new IterableType();
+        $this->graphqlTypes += $this->typesFactory->getTypes();
+
         $queryFields = ['node' => $this->getNodeQueryField()];
         $mutationFields = [];
 

src/GraphQl/Type/TypesFactory.php

@@ -0,0 +1,52 @@
+<?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\Core\GraphQl\Type;
+
+use ApiPlatform\Core\GraphQl\Type\Definition\TypeInterface;
+use Psr\Container\ContainerInterface;
+
+/**
+ * Get the registered services corresponding to GraphQL types.
+ *
+ * @experimental
+ *
+ * @author Alan Poulain <contact@alanpoulain.eu>
+ */
+final class TypesFactory implements TypesFactoryInterface
+{
+    private $typeLocator;
+    private $typeIds;
+
+    /**
+     * @param string[] $typeIds
+     */
+    public function __construct(ContainerInterface $typeLocator, array $typeIds)
+    {
+        $this->typeLocator = $typeLocator;
+        $this->typeIds = $typeIds;
+    }
+
+    public function getTypes(): array
+    {
+        $types = [];
+
+        foreach ($this->typeIds as $typeId) {
+            /** @var TypeInterface $type */
+            $type = $this->typeLocator->get($typeId);
+            $types[$type->getName()] = $type;
+        }
+
+        return $types;
+    }
+}

src/GraphQl/Type/TypesFactoryInterface.php

@@ -0,0 +1,26 @@
+<?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\Core\GraphQl\Type;
+
+/**
+ * Get the GraphQL types.
+ *
+ * @experimental
+ *
+ * @author Alan Poulain <contact@alanpoulain.eu>
+ */
+interface TypesFactoryInterface
+{
+    public function getTypes(): array;
+}

tests/Bridge/Symfony/Bundle/ApiPlatformBundleTest.php

@@ -18,6 +18,7 @@
 use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\DataProviderPass;
 use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\ElasticsearchClientPass;
 use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\FilterPass;
+use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\GraphQlTypePass;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Argument;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -34,6 +35,7 @@ public function testBuild()
         $containerProphecy->addCompilerPass(Argument::type(AnnotationFilterPass::class))->shouldBeCalled();
         $containerProphecy->addCompilerPass(Argument::type(FilterPass::class))->shouldBeCalled();
         $containerProphecy->addCompilerPass(Argument::type(ElasticsearchClientPass::class))->shouldBeCalled();
+        $containerProphecy->addCompilerPass(Argument::type(GraphQlTypePass::class))->shouldBeCalled();
 
         $bundle = new ApiPlatformBundle();
         $bundle->build($containerProphecy->reveal());

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

@@ -57,6 +57,7 @@
 use ApiPlatform\Core\Exception\FilterValidationException;
 use ApiPlatform\Core\Exception\InvalidArgumentException;
 use ApiPlatform\Core\Exception\RuntimeException;
+use ApiPlatform\Core\GraphQl\Type\Definition\TypeInterface as GraphQlTypeInterface;
 use ApiPlatform\Core\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
 use ApiPlatform\Core\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
 use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface;
@@ -634,6 +635,10 @@ private function getPartialContainerBuilderProphecy()
             ->willReturn($this->childDefinitionProphecy)->shouldBeCalledTimes(1);
         $this->childDefinitionProphecy->addTag('api_platform.filter')->shouldBeCalledTimes(1);
 
+        $containerBuilderProphecy->registerForAutoconfiguration(GraphQlTypeInterface::class)
+            ->willReturn($this->childDefinitionProphecy)->shouldBeCalledTimes(1);
+        $this->childDefinitionProphecy->addTag('api_platform.graphql.type')->shouldBeCalledTimes(1);
+
         $containerBuilderProphecy->getParameter('kernel.bundles')->willReturn([
             'DoctrineBundle' => DoctrineBundle::class,
         ])->shouldBeCalled();
@@ -946,6 +951,9 @@ private function getBaseContainerBuilderProphecy()
             'api_platform.graphql.resolver.factory.item_mutation',
             'api_platform.graphql.resolver.item',
             'api_platform.graphql.resolver.resource_field',
+            'api_platform.graphql.iterable_type',
+            'api_platform.graphql.type_locator',
+            'api_platform.graphql.types_factory',
             'api_platform.graphql.normalizer.item',
             'api_platform.jsonld.normalizer.item',
             'api_platform.jsonld.encoder',

tests/Bridge/Symfony/Bundle/DependencyInjection/Compiler/GraphQlTypePassTest.php

@@ -0,0 +1,72 @@
+<?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\Core\Tests\Bridge\Symfony\Bundle\DependencyInjection\Compiler;
+
+use ApiPlatform\Core\Bridge\Symfony\Bundle\DependencyInjection\Compiler\GraphQlTypePass;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * @author Alan Poulain <contact@alanpoulain.eu>
+ */
+class GraphQlTypePassTest extends TestCase
+{
+    public function testProcess()
+    {
+        $filterPass = new GraphQlTypePass();
+
+        $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
+
+        $typeLocatorDefinitionProphecy = $this->prophesize(Definition::class);
+        $typeLocatorDefinitionProphecy->addArgument(Argument::that(function (array $arg) {
+            return !isset($arg['foo']) && isset($arg['my_id']) && $arg['my_id'] instanceof Reference;
+        }))->shouldBeCalled();
+
+        $typesFactoryDefinitionProphecy = $this->prophesize(Definition::class);
+        $typesFactoryDefinitionProphecy->addArgument(['my_id'])->shouldBeCalled();
+
+        $containerBuilderProphecy = $this->prophesize(ContainerBuilder::class);
+        $containerBuilderProphecy->findTaggedServiceIds('api_platform.graphql.type', true)->willReturn(['foo' => [], 'bar' => [['id' => 'my_id']]])->shouldBeCalled();
+        $containerBuilderProphecy->getDefinition('api_platform.graphql.type_locator')->willReturn($typeLocatorDefinitionProphecy->reveal())->shouldBeCalled();
+        $containerBuilderProphecy->getDefinition('api_platform.graphql.types_factory')->willReturn($typesFactoryDefinitionProphecy->reveal())->shouldBeCalled();
+
+        $filterPass->process($containerBuilderProphecy->reveal());
+    }
+
+    public function testIdNotExist()
+    {
+        $filterPass = new GraphQlTypePass();
+
+        $this->assertInstanceOf(CompilerPassInterface::class, $filterPass);
+
+        $typeLocatorDefinitionProphecy = $this->prophesize(Definition::class);
+        $typeLocatorDefinitionProphecy->addArgument(Argument::that(function (array $arg) {
+            return !isset($arg['foo']) && isset($arg['bar']) && $arg['bar'] instanceof Reference;
+        }))->shouldBeCalled();
+
+        $typesFactoryDefinitionProphecy = $this->prophesize(Definition::class);
+        $typesFactoryDefinitionProphecy->addArgument(['bar'])->shouldBeCalled();
+
+        $containerBuilderProphecy = $this->prophesize(ContainerBuilder::class);
+        $containerBuilderProphecy->findTaggedServiceIds('api_platform.graphql.type', true)->willReturn(['foo' => [], 'bar' => [['hi' => 'hello']]])->shouldBeCalled();
+        $containerBuilderProphecy->getDefinition('api_platform.graphql.type_locator')->willReturn($typeLocatorDefinitionProphecy->reveal())->shouldBeCalled();
+        $containerBuilderProphecy->getDefinition('api_platform.graphql.types_factory')->willReturn($typesFactoryDefinitionProphecy->reveal())->shouldBeCalled();
+
+        $filterPass->process($containerBuilderProphecy->reveal());
+    }
+}