优惠券金额空指针

Cui Zhi Feng

2024-09-19 5b5b6440da8b7851343a84e378e8a3340ac08d5d

 src/main/java/com/mzl/flower/service/payment/OrderService.java

@@ -16,6 +16,7 @@
import com.mzl.flower.dto.request.payment.*;
import com.mzl.flower.dto.response.flower.FlowerCartListDTO;
import com.mzl.flower.dto.response.flower.FlowerCartListWrapDTO;
import com.mzl.flower.dto.response.flower.FlowerDTO;
import com.mzl.flower.dto.response.flower.ParamItemDTO;
import com.mzl.flower.dto.response.partner.PartnerOrderDTO;
import com.mzl.flower.dto.response.payment.*;
@@ -25,6 +26,7 @@
import com.mzl.flower.entity.coupon.CouponRecordDO;
import com.mzl.flower.entity.customer.Address;
import com.mzl.flower.entity.customer.Customer;
import com.mzl.flower.entity.flower.Flower;
import com.mzl.flower.entity.flower.FlowerSupplierSaleNum;
import com.mzl.flower.entity.menber.Member;
import com.mzl.flower.entity.partner.Partner;
@@ -158,6 +160,7 @@
    @Autowired
    private CouponRecordService couponRecordService;


    public void changeFlower2Cart(CartSaveDTO dto) {
        String userId = SecurityUtils.getUserId();
        String key = userId + "_" + dto.getId();
@@ -178,9 +181,41 @@
                c.setNum(dto.getNum());
                c.create(userId);

                // 限购  1.首先查看购物车中的数量是否已经超过限售数量
                final FlowerDTO flowerDetail = flowerService.getFlowerDetail(c.getFlowerId());
                if(null!=c.getNum() && null!=flowerDetail.getLimited()
                        && c.getNum().compareTo(flowerDetail.getLimited())>0){
                    throw new ValidationException("数量不能超过限售数量！");
                }

                // 限购  2.查看已结单的订单的当前花朵已经购买的数量，加当前购物车的加入的数量是否超过限购的数量，查看当前5点前到昨天五点前
                Integer completeNumToday=getFlowerCompleteNumToday(userId,c.getFlowerId());
                Integer tmp=completeNumToday+c.getNum();
                if(null!=tmp && null!=flowerDetail.getLimited()
                      &&  tmp.compareTo(flowerDetail.getLimited())>0){
                    throw new ValidationException("当天的订单的花数量加上购物车的数量不能超过限售数量！");
                }

                cartMapper.insert(c);
            } else {
                // 查看是否已经超过当前商品的限购数量
                final FlowerDTO flowerDetail = flowerService.getFlowerDetail(c.getFlowerId());
                c.setNum((c.getNum()==null?0:c.getNum()) + dto.getNum());

                // 限购  1.首先查看购物车中的数量是否已经超过限售数量
                if(null!=c.getNum() && null!=flowerDetail.getLimited()
                      && c.getNum().compareTo(flowerDetail.getLimited())>0){
                    throw new ValidationException("数量不能超过限售数量！");
                }

                // 限购  2.查看已结单的订单的当前花朵已经购买的数量，加当前购物车的加入的数量是否超过限购的数量，查看当前5点前到昨天五点前
                Integer completeNumToday=getFlowerCompleteNumToday(userId,c.getFlowerId());
                Integer tmp=completeNumToday+c.getNum();
                if(null!=tmp && null!=flowerDetail.getLimited()
                       && tmp.compareTo(flowerDetail.getLimited())>0){
                    throw new ValidationException("当天的订单的花数量加上购物车的数量不能超过限售数量！");
                }

                c.update(userId);
                if (c.getNum() <= 0) {
                    cartMapper.deleteById(c.getId());
@@ -298,6 +333,8 @@
    }

    public PreOrderDTO getPreOrderInfo(List<CartSaveDTO> flowers, Map<Long, PriceDTO> priceMap) {
        String userId = SecurityUtils.getUserId();

        if (flowers == null || flowers.size() == 0) {
            throw new ValidationException("请选择商品");
        }
@@ -313,6 +350,18 @@
            }
            idNumMap.put(id, num);
        }

        // 限购数量校验 鲜花数量校验
        flowers.forEach(cartSaveDTO -> {
            // 限购数量 鲜花数量校验
            Integer completeNumToday=getFlowerCompleteNumToday(userId,cartSaveDTO.getId());
            Integer tmp=completeNumToday+cartSaveDTO.getNum();
            Flower flower=flowerMapper.selectById(cartSaveDTO.getId());
            if(null!=flower.getLimited() && tmp.compareTo(flower.getLimited())>0){
                throw new ValidationException("商品:'"+flower.getName()+"' 昨天17:00到今天17:00 超过限售数量："+flower.getLimited()+"！");
            }
        });

        PreOrderDTO result = new PreOrderDTO();

        List<FlowerCartListDTO> ls = flowerMapper.selectFlowerOrderList(ids);
@@ -395,6 +444,17 @@
    }

    public Map commitOrder(OrderCommitDTO dto, PreOrderDTO p, Map<Long, PriceDTO> priceMap) {
        String userId = SecurityUtils.getUserId();
        p.getFlowers().forEach(flower -> {
            // 限购数量 鲜花数量校验
            Integer completeNumToday=getFlowerCompleteNumToday(userId,flower.getId());
            Integer tmp=completeNumToday+flower.getNum();
            if(null!=tmp && null!=flower.getLimited()
                    && tmp.compareTo(flower.getLimited())>0){
                throw new ValidationException("商品:'"+flower.getName()+"' 昨天17:00到今天17:00 超过限售数量："+flower.getLimited()+"！");
            }
        });

        WxMaJscode2SessionResult session = null;
        try {
            session = weChatService.getWxMaSessionInfo(dto.getWxcode());
@@ -417,7 +477,7 @@
            deliveryName = d.getName();
        }

        String userId = SecurityUtils.getUserId();

        Order order = new Order();
        order.setId(UUIDGenerator.getUUID());

@@ -481,10 +541,11 @@
        List<FlowerCartListDTO> flowers = p.getFlowers();
        Map<Long, List<ParamItemDTO>> paramMap = new HashMap<>();
        final BigDecimal flowerAmount = order.getFlowerAmount();//订单商品总价
        final BigDecimal memberCouponAmount = order.getMemberCouponAmount();//使用优惠券面值
        final BigDecimal memberCouponAmount = getAmount(order.getMemberCouponAmount());//使用优惠券面值
        BigDecimal usedCouponAmount = new BigDecimal(0);
        for (int i = 0; i < flowers.size(); i++) {
            FlowerCartListDTO f = flowers.get(i);

            OrderItem t = new OrderItem();
            t.setId(UUIDGenerator.getUUID());
            t.setOrderId(order.getId());
@@ -576,7 +637,7 @@
    private BigDecimal calculateCoupon(BigDecimal couponAmount, BigDecimal itemTotalAmount
            , BigDecimal totalAmount, Integer num, BigDecimal price
            , boolean isLastOne, BigDecimal usedCouponAmount){
        if(couponAmount == null){
        if(couponAmount == null || couponAmount.doubleValue() == 0){
            return new BigDecimal(0);
        }

@@ -1501,4 +1562,9 @@
        Order o = orderMapper.getUserLastOrder(userId);
        return o.getReceiveTime();
    }

    public Integer getFlowerCompleteNumToday(String userId,Long flowerId){
        Integer completeNum= orderMapper.getFlowerCompleteNumToday(userId,flowerId);
        return completeNum;
    }
}