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<?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\GraphQl\Resolver\Factory;
use ApiPlatform\GraphQl\Resolver\MutationResolverInterface;
use ApiPlatform\GraphQl\Resolver\Stage\DeserializeStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\ReadStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\SecurityPostDenormalizeStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\SecurityPostValidationStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\SecurityStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\SerializeStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\ValidateStageInterface;
use ApiPlatform\GraphQl\Resolver\Stage\WriteStageInterface;
use ApiPlatform\Metadata\DeleteOperationInterface;
use ApiPlatform\Metadata\GraphQl\Operation;
use ApiPlatform\Util\ClassInfoTrait;
use ApiPlatform\Util\CloneTrait;
use GraphQL\Type\Definition\ResolveInfo;
use Psr\Container\ContainerInterface;
/**
* Creates a function resolving a GraphQL mutation of an item.
*
* @author Alan Poulain <contact@alanpoulain.eu>
* @author Vincent Chalamon <vincentchalamon@gmail.com>
*/
final class ItemMutationResolverFactory implements ResolverFactoryInterface
{
use ClassInfoTrait;
use CloneTrait;
private $readStage;
private $securityStage;
private $securityPostDenormalizeStage;
private $serializeStage;
private $deserializeStage;
private $writeStage;
private $validateStage;
private $mutationResolverLocator;
private $securityPostValidationStage;
public function __construct(ReadStageInterface $readStage, SecurityStageInterface $securityStage, SecurityPostDenormalizeStageInterface $securityPostDenormalizeStage, SerializeStageInterface $serializeStage, DeserializeStageInterface $deserializeStage, WriteStageInterface $writeStage, ValidateStageInterface $validateStage, ContainerInterface $mutationResolverLocator, SecurityPostValidationStageInterface $securityPostValidationStage)
{
$this->readStage = $readStage;
$this->securityStage = $securityStage;
$this->securityPostDenormalizeStage = $securityPostDenormalizeStage;
$this->serializeStage = $serializeStage;
$this->deserializeStage = $deserializeStage;
$this->writeStage = $writeStage;
$this->validateStage = $validateStage;
$this->mutationResolverLocator = $mutationResolverLocator;
$this->securityPostValidationStage = $securityPostValidationStage;
}
public function __invoke(?string $resourceClass = null, ?string $rootClass = null, ?Operation $operation = null): callable
{
return function (?array $source, array $args, $context, ResolveInfo $info) use ($resourceClass, $rootClass, $operation) {
if (null === $resourceClass || null === $operation) {
return null;
}
$resolverContext = ['source' => $source, 'args' => $args, 'info' => $info, 'is_collection' => false, 'is_mutation' => true, 'is_subscription' => false];
$item = ($this->readStage)($resourceClass, $rootClass, $operation, $resolverContext);
if (null !== $item && !\is_object($item)) {
throw new \LogicException('Item from read stage should be a nullable object.');
}
($this->securityStage)($resourceClass, $operation, $resolverContext + [
'extra_variables' => [
'object' => $item,
],
]);
$previousItem = $this->clone($item);
if ('delete' === $operation->getName() || $operation instanceof DeleteOperationInterface) {
($this->securityPostDenormalizeStage)($resourceClass, $operation, $resolverContext + [
'extra_variables' => [
'object' => $item,
'previous_object' => $previousItem,
],
]);
$item = ($this->writeStage)($item, $resourceClass, $operation, $resolverContext);
return ($this->serializeStage)($item, $resourceClass, $operation, $resolverContext);
}
$item = ($this->deserializeStage)($item, $resourceClass, $operation, $resolverContext);
$mutationResolverId = $operation->getResolver();
if (null !== $mutationResolverId) {
/** @var MutationResolverInterface $mutationResolver */
$mutationResolver = $this->mutationResolverLocator->get($mutationResolverId);
$item = $mutationResolver($item, $resolverContext);
if (null !== $item && $resourceClass !== $itemClass = $this->getObjectClass($item)) {
throw new \LogicException(sprintf('Custom mutation resolver "%s" has to return an item of class %s but returned an item of class %s.', $mutationResolverId, $operation->getShortName(), (new \ReflectionClass($itemClass))->getShortName()));
}
}
($this->securityPostDenormalizeStage)($resourceClass, $operation, $resolverContext + [
'extra_variables' => [
'object' => $item,
'previous_object' => $previousItem,
],
]);
if (null !== $item) {
($this->validateStage)($item, $resourceClass, $operation, $resolverContext);
($this->securityPostValidationStage)($resourceClass, $operation, $resolverContext + [
'extra_variables' => [
'object' => $item,
'previous_object' => $previousItem,
],
]);
$persistResult = ($this->writeStage)($item, $resourceClass, $operation, $resolverContext);
}
return ($this->serializeStage)($persistResult ?? $item, $resourceClass, $operation, $resolverContext);
};
}
}