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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\Order\Modifier; |
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use Sylius\Component\Order\Factory\OrderItemUnitFactoryInterface; |
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use Sylius\Component\Order\Model\OrderItemInterface; |
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/** |
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* @author Mateusz Zalewski <[email protected]> |
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*/ |
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class OrderItemQuantityModifier implements OrderItemQuantityModifierInterface |
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{ |
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/** |
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* @var OrderItemUnitFactoryInterface |
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*/ |
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private $orderItemUnitFactory; |
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/** |
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* @param OrderItemUnitFactoryInterface $orderItemUnitFactory |
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*/ |
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public function __construct(OrderItemUnitFactoryInterface $orderItemUnitFactory) |
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{ |
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$this->orderItemUnitFactory = $orderItemUnitFactory; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function modify(OrderItemInterface $orderItem, $targetQuantity) |
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{ |
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$currentQuantity = $orderItem->getQuantity(); |
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if (0 >= $targetQuantity || $currentQuantity === $targetQuantity) { |
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return; |
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} |
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if ($targetQuantity < $currentQuantity) { |
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$this->decreaseUnitsNumber($orderItem, $currentQuantity - $targetQuantity); |
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} elseif ($targetQuantity > $currentQuantity) { |
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$this->increaseUnitsNumber($orderItem, $targetQuantity - $currentQuantity); |
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} |
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} |
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/** |
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* @param OrderItemInterface $orderItem |
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* @param int $increaseBy |
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*/ |
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private function increaseUnitsNumber(OrderItemInterface $orderItem, $increaseBy) |
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{ |
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for ($i = 0; $i < $increaseBy; ++$i) { |
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$this->orderItemUnitFactory->createForItem($orderItem); |
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} |
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} |
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/** |
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* @param OrderItemInterface $orderItem |
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* @param int $decreaseBy |
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*/ |
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private function decreaseUnitsNumber(OrderItemInterface $orderItem, $decreaseBy) |
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{ |
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foreach ($orderItem->getUnits() as $unit) { |
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if (0 >= $decreaseBy--) { |
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break; |
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} |
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$orderItem->removeUnit($unit); |
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} |
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} |
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} |
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pamil /
Sylius
