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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\GraphQl\Query\Resolver;
use Magento\Framework\GraphQl\Config\Element\Field;
use Magento\Framework\GraphQl\Query\Resolver\Argument\ValidatorInterface;
use Magento\Framework\GraphQl\Query\Resolver\Factory as ResolverFactory;
use Magento\Framework\GraphQl\Schema\Type\ResolveInfoFactory;
/**
* Create promises that return resolver results
*/
class PromiseFactory
{
/**
* @var Factory
*/
private $resolverFactory;
/**
* @var ResolveInfoFactory
*/
private $resolveInfoFactory;
/**
* @var ValidatorInterface
*/
private $argumentValidator;
/**
* @param Factory $resolverFactory
* @param ResolveInfoFactory $resolveInfoFactory
* @param ValidatorInterface $argumentValidator
*/
public function __construct(
ResolverFactory $resolverFactory,
ResolveInfoFactory $resolveInfoFactory,
ValidatorInterface $argumentValidator
) {
$this->resolverFactory = $resolverFactory;
$this->resolveInfoFactory = $resolveInfoFactory;
$this->argumentValidator = $argumentValidator;
}
/**
* Create a resolver promise
*
* @param Field $field
* @return callable
*/
public function create(Field $field): callable
{
$resolver = $this->resolverFactory->createByClass($field->getResolver());
return function ($value, $args, $context, $info) use ($resolver, $field) {
$wrapperInfo = $this->resolveInfoFactory->create($info);
$this->argumentValidator->validate($field, $args);
return $resolver->resolve($field, $context, $wrapperInfo, $value, $args);
};
}
}