custom/plugins/WbfkMultipleTransactions/src/Subscriber/CartConvertedEventSubscriber.php line 38

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  1. <?php
  3. declare(strict_types=1);
  5. namespace Wbfk\MultipleTransactions\Subscriber;
  7. use Shopware\Core\Checkout\Cart\Order\CartConvertedEvent;
  8. use Shopware\Core\Checkout\Cart\Price\CashRounding;
  9. use Shopware\Core\Checkout\Cart\Price\Struct\CalculatedPrice;
  10. use Shopware\Core\Checkout\Order\Aggregate\OrderTransaction\OrderTransactionCollection;
  11. use Shopware\Core\Checkout\Order\Aggregate\OrderTransaction\OrderTransactionStates;
  12. use Shopware\Core\Framework\Context;
  13. use Shopware\Core\Framework\DataAbstractionLayer\EntityRepository;
  14. use Shopware\Core\Framework\DataAbstractionLayer\Pricing\CashRoundingConfig;
  15. use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
  16. use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
  17. use Shopware\Core\System\StateMachine\Aggregation\StateMachineState\StateMachineStateEntity;
  18. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  19. use Wbfk\MultipleTransactions\Core\Checkout\Order\TransactionsSummary;
  21. class CartConvertedEventSubscriber implements EventSubscriberInterface
  22. {
  24.     public function __construct(
  25.         private readonly CashRounding $cashRounding,
  26.         private readonly EntityRepository $stateMachineStateRepository,
  27.         private readonly EntityRepository $orderTransactionRepository
  28.     ) {
  29.     }
  31.     public static function getSubscribedEvents(): array
  32.     {
  33.         return [
  34.             CartConvertedEvent::class => 'adjustTransactionAmountToIncludeAlreadyPaidAmount',
  35.         ];
  36.     }
  38.     public function adjustTransactionAmountToIncludeAlreadyPaidAmount(CartConvertedEvent $event): void
  39.     {
  40.         /** @var TransactionsSummary $transactionsSummary */
  41.         $transactionsSummary = $event->getCart()->getExtension('transactionsSummary');
  43.         if (!$transactionsSummary) {
  44.             return;
  45.         }
  47.         if ($transactionsSummary->alreadyPaid === 0.0) {
  48.             return;
  49.         }
  51.         $convertedCart = $event->getConvertedCart();
  53.         /** @var ?CalculatedPrice $calculatedPrice */
  54.         $calculatedPrice = $convertedCart['transactions'][0]['amount'] ?? null;
  55.         if (!$calculatedPrice) {
  56.             return;
  57.         }
  59.         $total = $calculatedPrice->getTotalPrice();
  60.         $total -= $transactionsSummary->alreadyPaid;
  61.         $convertedCart['transactions'][0]['stateId'] = $this->getPartiallyPaidStateId($event->getContext());
  63.         // If there is excess payment, this should be handled by the shop admin.
  64.         // If the total is same as already paid, then there is no need to create a new transaction.
  65.         if ($total <= 0) {
  66.             unset($convertedCart['transactions']);
  67.             // Need to delete last transaction if it is partially paid transaction as it is not needed anymore.
  68.             // This happens when order is already edited added new items or quantity changed to higher requiring extra payment.
  69.             // Then this order might be further edited and removed some items or quantity changed to lower requiring refund/ or not requiring extra payment.
  70.             $lastTransaction = $transactionsSummary->transactions->last();
  71.             if ($lastTransaction && $lastTransaction->stateMachineState->technicalName === OrderTransactionStates::STATE_PARTIALLY_PAID) {
  72.                 $this->orderTransactionRepository->delete([
  73.                     ['id' => $lastTransaction->getId()],
  74.                 ], $event->getContext());
  75.             }
  76.         } else {
  77.             $cashRoundingConfig = new CashRoundingConfig(2, 0.01, true);
  78.             $total = $this->cashRounding->cashRound($total, $cashRoundingConfig);
  79.             $convertedCart['transactions'][0]['amount'] =
  80.                 new CalculatedPrice($total, $total, $calculatedPrice->getCalculatedTaxes(), $calculatedPrice->getTaxRules(), 1);
  82.             // Saving previous transactions summary in custom fields to for any debugging purposes.
  83.             $customFields = $convertedCart['transactions'][0]['customFields'] ?? [];
  84.             $customFields['previousTransactionsSummary'] = $transactionsSummary;
  85.             $convertedCart['transactions'][0]['customFields'] = $customFields;
  86.         }
  87.         $event->setConvertedCart($convertedCart);
  88.     }
  90.     private function getPartiallyPaidStateId(Context $context): string
  91.     {
  92.         $criteria = new Criteria();
  93.         $criteria->addFilter(new EqualsFilter('technicalName', OrderTransactionStates::STATE_PARTIALLY_PAID));
  94.         $criteria->setLimit(1);
  96.         /** @var StateMachineStateEntity $state */
  97.         $state = $this->stateMachineStateRepository->search($criteria, $context)->first();
  99.         if ($state === null) {
  100.             throw new \RuntimeException('Could not find state for partially paid transactions');
  101.         }
  103.         return $state->getId();
  104.     }
  105. }