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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;
use GraphQL\Error\DebugFlag;
use GraphQL\GraphQL;
use GraphQL\Language\AST\DocumentNode;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\GraphQl\Exception\ExceptionFormatter;
use Magento\Framework\GraphQl\Exception\GraphQlInputException;
use Magento\Framework\GraphQl\Query\Resolver\ContextInterface;
use Magento\Framework\GraphQl\Schema;
/**
* Wrapper for GraphQl execution of a schema
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
*/
class QueryProcessor
{
/**
* @var ExceptionFormatter
*/
private $exceptionFormatter;
/**
* @var QueryComplexityLimiter
*/
private $queryComplexityLimiter;
/**
* @var ErrorHandlerInterface
*/
private $errorHandler;
/**
* @var QueryParser
*/
private $queryParser;
/**
* @param ExceptionFormatter $exceptionFormatter
* @param QueryComplexityLimiter $queryComplexityLimiter
* @param ErrorHandlerInterface $errorHandler
* @param QueryParser|null $queryParser
* @SuppressWarnings(PHPMD.LongVariable)
*/
public function __construct(
ExceptionFormatter $exceptionFormatter,
QueryComplexityLimiter $queryComplexityLimiter,
ErrorHandlerInterface $errorHandler,
QueryParser $queryParser = null
) {
$this->exceptionFormatter = $exceptionFormatter;
$this->queryComplexityLimiter = $queryComplexityLimiter;
$this->errorHandler = $errorHandler;
$this->queryParser = $queryParser ?: ObjectManager::getInstance()->get(QueryParser::class);
}
/**
* Process a GraphQl query according to defined schema
*
* @param Schema $schema
* @param DocumentNode|string $source
* @param ContextInterface|null $contextValue
* @param array|null $variableValues
* @param string|null $operationName
* @return Promise|array
* @throws GraphQlInputException
*/
public function process(
Schema $schema,
DocumentNode|string $source,
ContextInterface $contextValue = null,
array $variableValues = null,
string $operationName = null
): array {
if (is_string($source)) {
$source = $this->queryParser->parse($source);
}
if (!$this->exceptionFormatter->shouldShowDetail()) {
$this->queryComplexityLimiter->validateFieldCount($source);
$this->queryComplexityLimiter->execute();
}
$rootValue = null;
return GraphQL::executeQuery(
$schema,
$source,
$rootValue,
$contextValue,
$variableValues,
$operationName
)->setErrorsHandler(
[$this->errorHandler, 'handle']
)->toArray(
(int) ($this->exceptionFormatter->shouldShowDetail() ? DebugFlag::INCLUDE_DEBUG_MESSAGE : false)
);
}
}