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codu-workspace/src/main/OrderService.java

Explorer

OrderService.java

SecurityConfig.java

PaymentController.java

@Service
@RequiredArgsConstructor
public class OrderService {

  @Transactional
  public Order placeOrder(OrderRequest req) {
    var order = Order.from(req);
    repository.save(order);


    eventPublisher.publish(new OrderCreated(order));

    return order;
  }
}

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Good use of @Transactional. Remember that event publishing should ideally happen after transaction commit.

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