submit

zhongzheng-system/src/main/java/com/zhongzheng/modules/course/service/impl/CourseFileServiceImpl.java

@@ -5,9 +5,11 @@ import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.github.pagehelper.Page;
+import com.zhongzheng.common.exception.CustomException;
 import com.zhongzheng.common.utils.DateUtils;
 import com.zhongzheng.common.utils.ServletUtils;
 import com.zhongzheng.common.utils.ToolsUtils;
@@ -19,6 +21,8 @@ import com.zhongzheng.modules.course.mapper.CourseFileMapper;
 import com.zhongzheng.modules.course.service.ICourseFileService;
 import com.zhongzheng.modules.course.service.ICourseHandoutsService;
 import com.zhongzheng.modules.course.vo.CourseFileVo;
+import com.zhongzheng.modules.goods.domain.Goods;
+import com.zhongzheng.modules.goods.service.IGoodsService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
@@ -40,6 +44,8 @@ public class CourseFileServiceImpl extends ServiceImpl<CourseFileMapper, CourseF
 
     @Autowired
     private ICourseHandoutsService iCourseHandoutsService;
+    @Autowired
+    private IGoodsService iGoodsService;
     @Value("${handouts.savePath}")
     private String SAVE_HANDOUTS;
     @Value("${handouts.updatePath}")
@@ -119,6 +125,16 @@ public class CourseFileServiceImpl extends ServiceImpl<CourseFileMapper, CourseF
 
     @Override
     public boolean editHandouts(CourseHandoutsEditBo bo) {
+        if (ObjectUtils.isNotNull(bo.getStatus()) && bo.getStatus() == -1){
+            //删除校验
+            int count = iGoodsService
+                    .count(new LambdaQueryWrapper<Goods>()
+                    .eq(Goods::getHandoutsId, bo.getHandoutsId())
+                    .eq(Goods::getStatus, 1));
+            if (count > 0){
+                throw new CustomException("已有商品关联此讲义，不能删除！");
+            }
+        }
         iCourseHandoutsService.update(new LambdaUpdateWrapper<CourseHandouts>().set(CourseHandouts::getUpdateStatus,0).eq(CourseHandouts::getHandoutsId,bo.getHandoutsId()));
         Long nowTime = DateUtils.getNowTime();
         String sign = ToolsUtils.EncoderByMd5(nowTime.toString() + "pubilc2022");