判断客户是否有子客户

epmet-module/data-aggregator/data-aggregator-server/src/main/java/com/epmet/dataaggre/dao/opercrm/CustomerRelationDao.java

@@ -13,4 +13,13 @@ import java.util.List;
 @Mapper
 public interface CustomerRelationDao {
     List<String> selectUsedAreaCodeList(String areaCode);
+
+    /**
+     * 根据customerId查询其所有下级子客户id
+     * @author zhaoqifeng
+     * @date 2021/6/29 11:04
+     * @param customerId
+     * @return java.util.List<java.lang.String>
+     */
+    List<String> selectAllSubCustomerIds(String customerId);
 }

epmet-module/data-aggregator/data-aggregator-server/src/main/java/com/epmet/dataaggre/service/opercrm/CustomerRelation.java

@@ -10,4 +10,13 @@ import java.util.List;
  */
 public interface CustomerRelation {
     List<String> selectUsedAreaCodeList(String areaCode);
+
+    /**
+     * 是否有子客户
+     * @author zhaoqifeng
+     * @date 2021/6/29 11:06
+     * @param customerId
+     * @return boolean
+     */
+    boolean haveSubCustomer(String customerId);
 }

epmet-module/data-aggregator/data-aggregator-server/src/main/java/com/epmet/dataaggre/service/opercrm/impl/CustomerRelationImpl.java

@@ -5,6 +5,7 @@ import com.epmet.dataaggre.constant.DataSourceConstant;
 import com.epmet.dataaggre.dao.opercrm.CustomerRelationDao;
 import com.epmet.dataaggre.service.opercrm.CustomerRelation;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -27,4 +28,18 @@ public class CustomerRelationImpl implements CustomerRelation {
     public List<String> selectUsedAreaCodeList(String areaCode) {
         return customerRelationDao.selectUsedAreaCodeList(areaCode);
     }
+
+    /**
+     * 是否有子客户
+     *
+     * @param customerId
+     * @return boolean
+     * @author zhaoqifeng
+     * @date 2021/6/29 11:06
+     */
+    @Override
+    public boolean haveSubCustomer(String customerId) {
+        List<String> list = customerRelationDao.selectAllSubCustomerIds(customerId);
+        return CollectionUtils.isNotEmpty(list);
+    }
 }

epmet-module/data-aggregator/data-aggregator-server/src/main/resources/mapper/opercrm/CustomerRelationDao.xml

@@ -14,4 +14,13 @@
             AND cr.AREA_CODE LIKE concat(#{areaCode}, '%')
             AND cr.AREA_CODE != #{areaCode}
     </select>
+    <select id="selectAllSubCustomerIds" resultType="java.lang.String">
+        SELECT
+            cr.CUSTOMER_ID
+        FROM
+            customer_relation cr
+        WHERE
+            cr.DEL_FLAG = '0'
+          AND cr.PIDS like CONCAT(#{customerId},'%')
+    </select>
 </mapper>