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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\SalesRule\Model;
/**
* Allows to generate a pool of coupon codes.
*
* Generated coupon code - auto generated string, which is used on checkout in order to get
* discount (fixed or in percents) on whole customer shopping cart or on items in this shopping cart.
* Class was added due to Backward Compatibility and is used as proxy to:
* @see \Magento\SalesRule\Model\Service\CouponManagementService
*/
class CouponGenerator
{
/**
* Map keys in old and new services
*
* Controller was used as old service
* @see \Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Generate
* - key = key in new service
* - value = key in old service
*
* @var array
*/
private $keyMap = [
'quantity' => 'qty'
];
/**
* @var Service\CouponManagementService
*/
private $couponManagementService;
/**
* @var \Magento\SalesRule\Api\Data\CouponGenerationSpecInterfaceFactory
*/
private $generationSpecFactory;
/**
* All objects should be injected through constructor, because we need to have working service already
* after it initializing
*
* @param Service\CouponManagementService $couponManagementService
* @param \Magento\SalesRule\Api\Data\CouponGenerationSpecInterfaceFactory $generationSpecFactory
*/
public function __construct(
\Magento\SalesRule\Model\Service\CouponManagementService $couponManagementService,
\Magento\SalesRule\Api\Data\CouponGenerationSpecInterfaceFactory $generationSpecFactory
) {
$this->couponManagementService = $couponManagementService;
$this->generationSpecFactory = $generationSpecFactory;
}
/**
* Generate a pool of generated coupon codes
*
* This method is used as proxy, due to high coupling in constructor
* @see \Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Generate
* In order to generate valid coupon codes, we need to initialize DTO object and run service.
* @see \Magento\SalesRule\Api\Data\CouponGenerationSpecInterface -> DTO object
*
* @param array $parameters
* @return string[]
*/
public function generateCodes(array $parameters)
{
$couponSpecData = $this->convertCouponSpecData($parameters);
$couponSpec = $this->generationSpecFactory->create(['data' => $couponSpecData]);
return $this->couponManagementService->generate($couponSpec);
}
/**
* We should map old values to new one
* We need to do this, as new service with another key names was added
*
* @param array $data
* @return array
*/
private function convertCouponSpecData(array $data)
{
foreach ($this->keyMap as $mapKey => $mapValue) {
$data[$mapKey] = isset($data[$mapValue]) ? $data[$mapValue] : null;
}
return $data;
}
}