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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\Argument;
use GraphQL\Language\AST\ListValueNode;
use GraphQL\Language\AST\NodeList;
use Magento\Framework\GraphQl\Query\Resolver\Argument\Filter\ClauseFactory;
use Magento\Framework\GraphQl\Query\Resolver\Argument\Filter\Connective;
use Magento\Framework\GraphQl\Query\Resolver\Argument\Filter\ConnectiveFactory;
/**
* Converts the input of an object type to a @see Connective format by using entity attributes to identify clauses
*/
class AstConverter
{
/**
* @var ClauseFactory
*/
private $clauseFactory;
/**
* @var ConnectiveFactory
*/
private $connectiveFactory;
/**
* @var FieldEntityAttributesPool
*/
private $fieldEntityAttributesPool;
/**
* @param ClauseFactory $clauseFactory
* @param ConnectiveFactory $connectiveFactory
* @param FieldEntityAttributesPool $fieldEntityAttributesPool
*/
public function __construct(
ClauseFactory $clauseFactory,
ConnectiveFactory $connectiveFactory,
FieldEntityAttributesPool $fieldEntityAttributesPool
) {
$this->clauseFactory = $clauseFactory;
$this->connectiveFactory = $connectiveFactory;
$this->fieldEntityAttributesPool = $fieldEntityAttributesPool;
}
/**
* Get a clause from an AST
*
* @param string $fieldName
* @param array $arguments
* @return array
* @throws \LogicException
*/
public function getClausesFromAst(string $fieldName, array $arguments) : array
{
$attributes = $this->fieldEntityAttributesPool->getEntityAttributesForEntityFromField($fieldName);
$conditions = [];
foreach ($arguments as $argumentName => $argument) {
if (key_exists($argumentName, $attributes)) {
$argumentName = $attributes[$argumentName]['fieldName'] ?? $argumentName;
foreach ($argument as $clauseType => $clause) {
if (is_array($clause)) {
$value = [];
foreach ($clause as $item) {
$value[] = $item;
}
} else {
$value = $clause;
}
$conditions[] = $this->clauseFactory->create(
$argumentName,
$clauseType,
$value
);
}
} elseif (is_array($argument)) {
$conditions[] =
$this->connectiveFactory->create(
$this->getClausesFromAst($fieldName, $argument),
$argumentName
);
} else {
throw new \LogicException('Attribute not found in the visible attributes list');
}
}
return $conditions;
}
}