fix 系统选新班

zhongzheng-system/src/main/java/com/zhongzheng/modules/goods/service/impl/GoodsServiceImpl.java

@@ -1,6 +1,7 @@
 package com.zhongzheng.modules.goods.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.lang.Validator;
 import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSON;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
@@ -27,6 +28,8 @@ import com.zhongzheng.modules.goods.service.IGoodsCourseService;
 import com.zhongzheng.modules.goods.service.IGoodsService;
 import com.zhongzheng.modules.goods.vo.*;
 import com.zhongzheng.modules.grade.vo.ClassGradeVo;
+import com.zhongzheng.modules.order.domain.OrderGoods;
+import com.zhongzheng.modules.order.service.IOrderGoodsService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -62,6 +65,9 @@ public class GoodsServiceImpl extends ServiceImpl<GoodsMapper, Goods> implements
     @Autowired
     private CourseMapper courseMapper;
 
+    @Autowired
+    private IOrderGoodsService iOrderGoodsService;
+
     @Override
     public GoodsVo queryById(Long goodsId){
         Goods db = this.baseMapper.selectById(goodsId);
@@ -303,6 +309,17 @@ public class GoodsServiceImpl extends ServiceImpl<GoodsMapper, Goods> implements
                 throw new CustomException("过期商品不允许上架");
             }
         }
+        if ((entity.getStatus() ==-1||entity.getStatus() ==0)&&entity.getGoodsId().longValue()>0) {
+            List<Long> payStatus = new ArrayList<>();
+            payStatus.add(2L);
+            payStatus.add(3L);
+            //查看是否有出售过
+            OrderGoods orderGoods = iOrderGoodsService.getOne(new LambdaQueryWrapper< OrderGoods >().eq(OrderGoods::getGoodsId,entity.getGoodsId())
+                    .in(OrderGoods::getPayStatus,payStatus).last("limit 1"));
+            if(Validator.isNotEmpty(orderGoods)){
+                throw new CustomException("该商品已被购买过，无法改变状态");
+            }
+        }
     }
 
     @Override