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<?php |
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/* |
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* This file is part of the Sylius package. |
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* |
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* (c) Paweł Jędrzejewski |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sylius\Component\Core\Promotion\Action; |
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use Sylius\Component\Core\Distributor\ProportionalIntegerDistributorInterface; |
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use Sylius\Component\Core\Promotion\Applicator\UnitsPromotionAdjustmentsApplicatorInterface; |
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use Sylius\Component\Originator\Originator\OriginatorInterface; |
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use Sylius\Component\Promotion\Model\PromotionInterface; |
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use Sylius\Component\Promotion\Model\PromotionSubjectInterface; |
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use Webmozart\Assert\Assert; |
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/** |
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* @author Paweł Jędrzejewski <[email protected]> |
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* @author Saša Stamenković <[email protected]> |
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* @author Mateusz Zalewski <[email protected]> |
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*/ |
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class FixedDiscountAction extends DiscountAction |
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{ |
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const TYPE = 'order_fixed_discount'; |
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/** |
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* @var ProportionalIntegerDistributorInterface |
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*/ |
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private $proportionalDistributor; |
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/** |
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* @var UnitsPromotionAdjustmentsApplicatorInterface |
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*/ |
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private $unitsPromotionAdjustmentsApplicator; |
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/** |
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* {@inheritdoc} |
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* |
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* @param ProportionalIntegerDistributorInterface $proportionalIntegerDistributor |
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* @param UnitsPromotionAdjustmentsApplicatorInterface $unitsPromotionAdjustmentsApplicator |
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*/ |
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public function __construct( |
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OriginatorInterface $originator, |
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ProportionalIntegerDistributorInterface $proportionalIntegerDistributor, |
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UnitsPromotionAdjustmentsApplicatorInterface $unitsPromotionAdjustmentsApplicator |
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) { |
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parent::__construct($originator); |
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$this->proportionalDistributor = $proportionalIntegerDistributor; |
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$this->unitsPromotionAdjustmentsApplicator = $unitsPromotionAdjustmentsApplicator; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function execute(PromotionSubjectInterface $subject, array $configuration, PromotionInterface $promotion) |
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{ |
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if (!$this->isSubjectValid($subject)) { |
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return; |
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} |
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$this->isConfigurationValid($configuration); |
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$promotionAmount = $this->calculateAdjustmentAmount($subject->getPromotionSubjectTotal(), $configuration['amount']); |
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if (0 === $promotionAmount) { |
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return; |
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} |
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$itemsTotals = []; |
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foreach ($subject->getItems() as $item) { |
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$itemsTotals[] = $item->getTotal(); |
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} |
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$splitPromotion = $this->proportionalDistributor->distribute($itemsTotals, $promotionAmount); |
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$this->unitsPromotionAdjustmentsApplicator->apply($subject, $promotion, $splitPromotion); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getConfigurationFormType() |
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{ |
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return 'sylius_promotion_action_fixed_discount_configuration'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function isConfigurationValid(array $configuration) |
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{ |
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Assert::keyExists($configuration, 'amount'); |
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Assert::integer($configuration['amount']); |
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} |
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/** |
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* @param int $promotionSubjectTotal |
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* @param int $targetPromotionAmount |
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* |
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* @return int |
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*/ |
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private function calculateAdjustmentAmount($promotionSubjectTotal, $targetPromotionAmount) |
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{ |
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return -1 * min($promotionSubjectTotal, $targetPromotionAmount); |
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} |
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} |
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Sylius /
Sylius
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.