@Override
  public void refunds(Order order, Refunds refunds, Admin operator) {
    Assert.notNull(order);
    Assert.notNull(refunds);

    orderDao.lock(order, LockModeType.PESSIMISTIC_WRITE);

    refunds.setOrder(order);
    refundsDao.persist(refunds);
    if (refunds.getMethod() == Refunds.Method.deposit) {
      Member member = order.getMember();
      memberDao.lock(member, LockModeType.PESSIMISTIC_WRITE);
      member.setBalance(member.getBalance().add(refunds.getAmount()));
      memberDao.merge(member);

      Deposit deposit = new Deposit();
      deposit.setType(Deposit.Type.adminRefunds);
      deposit.setCredit(refunds.getAmount());
      deposit.setDebit(new BigDecimal(0));
      deposit.setBalance(member.getBalance());
      deposit.setOperator(operator != null ? operator.getUsername() : null);
      deposit.setMember(member);
      deposit.setOrder(order);
      depositDao.persist(deposit);
    }

    order.setAmountPaid(order.getAmountPaid().subtract(refunds.getAmount()));
    order.setExpire(null);
    if (order.getAmountPaid().compareTo(new BigDecimal(0)) == 0) {
      order.setPaymentStatus(PaymentStatus.refunded);
    } else if (order.getAmountPaid().compareTo(new BigDecimal(0)) > 0) {
      order.setPaymentStatus(PaymentStatus.partialRefunds);
    }
    orderDao.merge(order);

    OrderLog orderLog = new OrderLog();
    orderLog.setType(Type.refunds);
    orderLog.setOperator(operator != null ? operator.getUsername() : null);
    orderLog.setOrder(order);
    orderLogDao.persist(orderLog);
  }
  @Override
  public void payment(Order order, Payment payment, Admin operator) {
    Assert.notNull(order);
    Assert.notNull(payment);

    orderDao.lock(order, LockModeType.PESSIMISTIC_WRITE);

    payment.setOrder(order);
    paymentDao.merge(payment);
    if (payment.getMethod() == Payment.Method.deposit) {
      Member member = order.getMember();
      memberDao.lock(member, LockModeType.PESSIMISTIC_WRITE);
      member.setBalance(member.getBalance().subtract(payment.getAmount()));
      memberDao.merge(member);

      Deposit deposit = new Deposit();
      deposit.setType(operator != null ? Deposit.Type.adminPayment : Deposit.Type.memberPayment);
      deposit.setCredit(new BigDecimal(0));
      deposit.setDebit(payment.getAmount());
      deposit.setBalance(member.getBalance());
      deposit.setOperator(operator != null ? operator.getUsername() : null);
      deposit.setMember(member);
      deposit.setOrder(order);
      depositDao.persist(deposit);
    }

    Setting setting = SettingUtils.get();
    if (!order.getIsAllocatedStock()
        && setting.getStockAllocationTime() == StockAllocationTime.payment) {
      for (OrderItem orderItem : order.getOrderItems()) {
        if (orderItem != null) {
          Product product = orderItem.getProduct();
          productDao.lock(product, LockModeType.PESSIMISTIC_WRITE);
          if (product != null && product.getStock() != null) {
            product.setAllocatedStock(
                product.getAllocatedStock()
                    + (orderItem.getQuantity() - orderItem.getShippedQuantity()));
            productDao.merge(product);
            orderDao.flush();
            staticService.build(product);
          }
        }
      }
      order.setIsAllocatedStock(true);
    }

    order.setAmountPaid(order.getAmountPaid().add(payment.getAmount()));
    order.setFee(payment.getFee());
    order.setExpire(null);
    if (order.getAmountPaid().compareTo(order.getAmount()) >= 0) {
      order.setOrderStatus(OrderStatus.confirmed);
      order.setPaymentStatus(PaymentStatus.paid);
    } else if (order.getAmountPaid().compareTo(new BigDecimal(0)) > 0) {
      order.setOrderStatus(OrderStatus.confirmed);
      order.setPaymentStatus(PaymentStatus.partialPayment);
    }
    orderDao.merge(order);

    OrderLog orderLog = new OrderLog();
    orderLog.setType(Type.payment);
    orderLog.setOperator(operator != null ? operator.getUsername() : null);
    orderLog.setOrder(order);
    orderLogDao.persist(orderLog);
  }
  @Override
  public Order create(
      Cart cart,
      Receiver receiver,
      PaymentMethod paymentMethod,
      ShippingMethod shippingMethod,
      CouponCode couponCode,
      boolean isInvoice,
      String invoiceTitle,
      boolean useBalance,
      String memo,
      Admin operator) {
    Assert.notNull(cart);
    Assert.notNull(cart.getMember());
    Assert.notEmpty(cart.getCartItems());
    Assert.notNull(receiver);
    Assert.notNull(paymentMethod);
    Assert.notNull(shippingMethod);

    Order order =
        build(
            cart,
            receiver,
            paymentMethod,
            shippingMethod,
            couponCode,
            isInvoice,
            invoiceTitle,
            useBalance,
            memo);

    order.setSn(snDao.generate(Sn.Type.order));
    if (paymentMethod.getMethod() == PaymentMethod.Method.online) {
      order.setLockExpire(DateUtils.addSeconds(new Date(), 20));
      order.setOperator(operator);
    }

    if (order.getCouponCode() != null) {
      couponCode.setIsUsed(true);
      couponCode.setUsedDate(new Date());
      couponCodeDao.merge(couponCode);
    }

    for (Promotion promotion : cart.getPromotions()) {
      for (Coupon coupon : promotion.getCoupons()) {
        order.getCoupons().add(coupon);
      }
    }

    Setting setting = SettingUtils.get();
    if (setting.getStockAllocationTime() == StockAllocationTime.order
        || (setting.getStockAllocationTime() == StockAllocationTime.payment
            && (order.getPaymentStatus() == PaymentStatus.partialPayment
                || order.getPaymentStatus() == PaymentStatus.paid))) {
      order.setIsAllocatedStock(true);
    } else {
      order.setIsAllocatedStock(false);
    }

    orderDao.persist(order);

    OrderLog orderLog = new OrderLog();
    orderLog.setType(Type.create);
    orderLog.setOperator(operator != null ? operator.getUsername() : null);
    orderLog.setOrder(order);
    orderLogDao.persist(orderLog);

    Member member = cart.getMember();
    if (order.getAmountPaid().compareTo(new BigDecimal(0)) > 0) {
      memberDao.lock(member, LockModeType.PESSIMISTIC_WRITE);
      member.setBalance(member.getBalance().subtract(order.getAmountPaid()));
      memberDao.merge(member);

      Deposit deposit = new Deposit();
      deposit.setType(operator != null ? Deposit.Type.adminPayment : Deposit.Type.memberPayment);
      deposit.setCredit(new BigDecimal(0));
      deposit.setDebit(order.getAmountPaid());
      deposit.setBalance(member.getBalance());
      deposit.setOperator(operator != null ? operator.getUsername() : null);
      deposit.setMember(member);
      deposit.setOrder(order);
      depositDao.persist(deposit);
    }

    if (setting.getStockAllocationTime() == StockAllocationTime.order
        || (setting.getStockAllocationTime() == StockAllocationTime.payment
            && (order.getPaymentStatus() == PaymentStatus.partialPayment
                || order.getPaymentStatus() == PaymentStatus.paid))) {
      for (OrderItem orderItem : order.getOrderItems()) {
        if (orderItem != null) {
          Product product = orderItem.getProduct();
          productDao.lock(product, LockModeType.PESSIMISTIC_WRITE);
          if (product != null && product.getStock() != null) {
            product.setAllocatedStock(
                product.getAllocatedStock()
                    + (orderItem.getQuantity() - orderItem.getShippedQuantity()));
            productDao.merge(product);
            orderDao.flush();
            staticService.build(product);
          }
        }
      }
    }

    cartDao.remove(cart);
    return order;
  }