1. optimized

2. limit buyer waiting pay order count is 1

@@ -31,7 +31,7 @@ public interface BuyerOrderMapper {
 
     int updateByOrderCode(BuyerOrder record);
 
-    int selectCntByUidStatus(@Param("uid") int uid, @Param("orderCode") Long orderCode, @Param("status") List<Integer> status);
+    int selectCntByUidStatus(@Param("uid") int uid, @Param("status") List<Integer> status);
 
     List<BuyerOrder> selectListByUidStatus(@Param("uid") int uid, @Param("orderCode") Long orderCode, @Param("status") List<Integer> status,
                               @Param("offset")Integer offset, @Param("limit")Integer limit);

@@ -76,10 +76,12 @@ public class ErpGWOrderController {
         switch (actor){
             case BUY:
                 orderListRequest.setType(OrderListType.ALL.getType());  // 默认全部
+                //TODO 换成独立的service 继承共同的抽象服务类, 除了必要的复用,尽量从service 到 dao 独立隔离；
                 orderListInfoRsp = buyerOrderService.getOrderListForErpGW(orderListRequest);
                 break;
             case SELL:
                 orderListRequest.setType(SellerOrderListType.ALL.getType());  // 默认全部
+                //TODO 换成独立的service 继承共同的抽象服务类, 除了必要的复用,尽量从service 到 dao 独立隔离；
                 orderListInfoRsp = sellerOrderService.getOrderListForErpGW(orderListRequest);
                 break;
             default:

@@ -43,7 +43,7 @@ public abstract class AbsOrderListService extends AbsOrderViewService implements
 
     abstract List<Integer> initOrderListRequest(OrderListRequest request);
 
-    abstract int getTotal(int uid, Long orderCode, List<Integer> statusQuery);
+    abstract int getTotal(int uid, List<Integer> statusQuery);
 
     abstract List<BuyerOrder> getOrderList(int uid, Long orderCode, List<Integer> statusQuery, int offset, int limit);
 
@@ -79,7 +79,7 @@ public abstract class AbsOrderListService extends AbsOrderViewService implements
         // check and init请求参数
         List<Integer> statusQuery = initOrderListRequest(request);
         TabType actor = request.getActor();
-        int total = getTotal(request.getUid(), request.getOrderCode(), statusQuery);
+        int total = getTotal(request.getUid(), statusQuery);
         int limit = request.getLimit();
         PageResp.PageRespBuilder respBuilder = PageResp.builder()
                 .page(request.getPage())

@@ -87,8 +87,8 @@ public class BuyerOrderListServiceImpl extends AbsOrderListService implements IO
     }
 
     @Override
-    int getTotal(int uid, Long orderCode, List<Integer> statusQuery){
-        return buyerOrderMapper.selectCntByUidStatus(uid, orderCode, statusQuery);
+    int getTotal(int uid, List<Integer> statusQuery){
+        return buyerOrderMapper.selectCntByUidStatus(uid, statusQuery);
     }
 
     @Override

@@ -363,7 +363,7 @@ public class SellerOrderListService extends AbsOrderListService implements IOrde
     }
 
     @Override
-    int getTotal(int uid, Long orderCode, List<Integer> statusQuery) {
+    int getTotal(int uid, List<Integer> statusQuery) {
         return buyerOrderMapper.selectCntBySellerUidStatus(uid, statusQuery);
     }
 

+package com.yohoufo.order.service.impl;
+
+import com.yohobuy.ufo.model.order.common.OrderStatus;
+import com.yohoufo.common.exception.UfoServiceException;
+import com.yohoufo.dal.order.BuyerOrderMapper;
+import com.yohoufo.order.utils.LoggerUtils;
+import org.slf4j.Logger;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 购物分控
+ */
+@Component
+public class ShoppingRiskWatchDog {
+
+    private Logger logger = LoggerUtils.getBuyerOrderLogger();
+
+    private static final int waitingPayCnt = 1;
+
+    @Autowired
+    private BuyerOrderMapper buyerOrderMapper;
+
+    public void checkWaitingPayCnt(int uid){
+        logger.info("in ShoppingRiskWatchDog.checkWaitingPayCnt uid {}", uid);
+        List<Integer> statusList = new ArrayList<>(1);
+        statusList.add(OrderStatus.WAITING_PAY.getCode());
+
+        int cnt = buyerOrderMapper.selectCntByUidStatus(uid, statusList);
+        if (cnt > waitingPayCnt){
+            logger.warn("in ShoppingRiskWatchDog.checkWaitingPayCnt try monopolizing skup another time,uid {} waiting pay cnt {}",
+                    uid, cnt);
+            throw new UfoServiceException(400, "请完成待支付订单后再下单");
+        }
+    }
+}

@@ -107,6 +107,9 @@ public class ShoppingServiceImpl implements IShoppingService {
 
     @Autowired
     private CouponService couponService;
+
+    @Autowired
+    private ShoppingRiskWatchDog shoppingRiskWatchDog;
     /**
      * 结算页数据
      * @param request
@@ -120,7 +123,7 @@ public class ShoppingServiceImpl implements IShoppingService {
             logger.warn("payment uid or skup is null");
             throw new ServiceException(ServiceError.ORDER_REQUEST_PARM_IS_EMPTY);
         }
-
+        shoppingRiskWatchDog.checkWaitingPayCnt(uid);
         // 检查 商品sku是否可售
         SellerOrderGoods skupGood = checkSkupSellOrNot(request.getSkup());
 
@@ -269,7 +272,7 @@ public class ShoppingServiceImpl implements IShoppingService {
             logger.warn("submit param is null");
             throw new ServiceException(ServiceError.ORDER_REQUEST_PARM_IS_EMPTY);
         }
-
+        shoppingRiskWatchDog.checkWaitingPayCnt(uid);
         //查询并校验用户地址
         Pair<AddressInfo, AddressInfo> userAddressPair = getAndCheckAddressInfo(shoppingRequest);