新增学校删除校验

liquidnet-bus-client/liquidnet-client-admin/liquidnet-client-admin-zhengzai/src/main/java/com/liquidnet/client/admin/zhengzai/smile/service/impl/SmileSchoolServiceImpl.java

@@ -13,6 +13,7 @@ import com.liquidnet.commons.lang.util.BeanUtil;
 import com.liquidnet.service.goblin.constant.SmileRedisConst;
 import com.liquidnet.service.goblin.dto.vo.SmileSchoolVo;
 import com.liquidnet.service.smile.entity.SmileSchool;
+import com.liquidnet.service.smile.entity.SmileUser;
 import com.liquidnet.service.smile.mapper.SmileSchoolMapper;
 import com.liquidnet.service.smile.mapper.SmileUserMapper;
 import lombok.extern.slf4j.Slf4j;
@@ -100,6 +101,15 @@ public class SmileSchoolServiceImpl extends ServiceImpl<SmileSchoolMapper, Smile
 
     @Override
     public AjaxResult del(Long id) {
+        //查询是否有用户使用过该学校
+        LambdaQueryWrapper<SmileUser> queryWrapper = Wrappers.lambdaQuery(SmileUser.class);
+        queryWrapper.eq(SmileUser::getSchoolId,id);
+        queryWrapper.eq(SmileUser::getDelTag,0);
+        List<SmileUser> smileUsers = smileUserMapper.selectList(queryWrapper);
+        if (smileUsers.size() > 0){
+            return AjaxResult.warn("该学校已被使用，不可删除");
+        }
+        //学校没有被使用  可以删除
         smileSchoolMapper.updateDel(id);
         smileRedisUtils.del(SmileRedisConst.SMILE_SCHOOL.concat(":").concat(String.valueOf(id)));