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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Payment\Gateway\Helper;
use Magento\Payment\Gateway\Data\PaymentDataObjectInterface;
use Magento\Framework\DataObject;
/**
* This class encapsulates implicit interfaces (array structures) used in payments implementation.
* This class was introduced for backward compatibility with legacy implementation.
*
* @api
* @since 100.0.2
*/
class SubjectReader
{
/**
* Reads payment from subject
*
* @param array $subject
* @return PaymentDataObjectInterface
*/
public static function readPayment(array $subject)
{
if (!isset($subject['payment'])
|| !$subject['payment'] instanceof PaymentDataObjectInterface
) {
throw new \InvalidArgumentException('Payment data object should be provided');
}
return $subject['payment'];
}
/**
* Reads amount from subject
*
* @param array $subject
* @return mixed
*/
public static function readAmount(array $subject)
{
if (!isset($subject['amount']) || !is_numeric($subject['amount'])) {
throw new \InvalidArgumentException('Amount should be provided');
}
return $subject['amount'];
}
/**
* Reads field from subject
*
* @param array $subject
* @return string
*/
public static function readField(array $subject)
{
if (!isset($subject['field']) || !is_string($subject['field'])) {
throw new \InvalidArgumentException('Field does not exist');
}
return $subject['field'];
}
/**
* Reads response NVP from subject
*
* @param array $subject
* @return array
*/
public static function readResponse(array $subject)
{
if (!isset($subject['response']) || !is_array($subject['response'])) {
throw new \InvalidArgumentException('Response does not exist');
}
return $subject['response'];
}
/**
* Read state object from subject
*
* @param array $subject
* @return DataObject
*/
public static function readStateObject(array $subject)
{
if (!isset($subject['stateObject']) || !$subject['stateObject'] instanceof DataObject) {
throw new \InvalidArgumentException('State object does not exist');
}
return $subject['stateObject'];
}
}