限制展板分类和视频分类在使用时不能被删除

src/main/java/cn/chnmuseum/party/web/controller/ExhibitionBoardCatController.java

@@ -13,6 +13,7 @@ import cn.chnmuseum.party.web.controller.base.BaseController;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import io.swagger.annotations.Api;
@@ -202,15 +203,24 @@ public class ExhibitionBoardCatController extends BaseController {
     })
     @MethodLog(operModule = OperModule.DISPLAYCLASSIFY, operType = OperType.DELETE)
     public Map<String, Object> deleteExhibitionBoardCat(@PathVariable("id") String id) {
-        this.exhibitionBoardCatService.removeById(id);
-
+        // 该展板在被使用时，不能被删除
         LambdaUpdateWrapper<CopyrightOwnerBoardCat> copyrightOwnerBoardCatLambdaUpdateWrapper = Wrappers.<CopyrightOwnerBoardCat>lambdaUpdate().eq(CopyrightOwnerBoardCat::getBoardCatId, id);
+        List<CopyrightOwnerBoardCat> list = this.copyrightOwnerBoardCatService.list(copyrightOwnerBoardCatLambdaUpdateWrapper);
+        if (CollectionUtils.isNotEmpty(list)) {
+            return getFailResult("该展板分类正在被使用，不能删除！");
+        }
+
+        // 删除展板分类信息
+        this.exhibitionBoardCatService.removeById(id);
+        // 删除版权方展板分类信息
         this.copyrightOwnerBoardCatService.remove(copyrightOwnerBoardCatLambdaUpdateWrapper);
 
         final LambdaQueryWrapper<ExhibitionBoard> exhibitionBoardLambdaQueryWrapper = Wrappers.<ExhibitionBoard>lambdaQuery().eq(ExhibitionBoard::getExhibitionBoardCatId, id).select(ExhibitionBoard::getId);
         final List<String> exhibitionBoardIdList = this.exhibitionBoardService.listObjs(exhibitionBoardLambdaQueryWrapper, Object::toString);
         if (exhibitionBoardIdList != null && !exhibitionBoardIdList.isEmpty()) {
+            // 删除该展板分类下得展板信息
             this.exhibitionBoardService.removeByIds(exhibitionBoardIdList);
+            // 删除该展板
             this.assetService.remove(Wrappers.<Asset>lambdaUpdate().in(Asset::getRefItemId, exhibitionBoardIdList));
 
             final LambdaQueryWrapper<LearningContentBoard> learningContentBoardLambdaQueryWrapper = Wrappers.<LearningContentBoard>lambdaQuery().in(LearningContentBoard::getExhibitionBoardCatId, exhibitionBoardIdList);

src/main/java/cn/chnmuseum/party/web/controller/VideoContentCatController.java

@@ -8,6 +8,7 @@ import cn.chnmuseum.party.common.vo.GenericPageParam;
 import cn.chnmuseum.party.model.*;
 import cn.chnmuseum.party.service.*;
 import cn.chnmuseum.party.web.controller.base.BaseController;
+import cn.hutool.core.collection.CollectionUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
@@ -182,9 +183,15 @@ public class VideoContentCatController extends BaseController {
     })
     @MethodLog(operModule = OperModule.VIDEOCLASSIFY, operType = OperType.DELETE)
     public Map<String, Object> deleteVideoContentCat(@PathVariable("id") String id) {
-        this.videoContentCatService.removeById(id);
-
+        // 该视频分类正在被使用时，不能被删除
         final LambdaUpdateWrapper<CopyrightOwnerVideoContentCat> updateWrapper1 = Wrappers.<CopyrightOwnerVideoContentCat>lambdaUpdate().eq(CopyrightOwnerVideoContentCat::getVideoContentCatId, id);
+        List<CopyrightOwnerVideoContentCat> list = this.copyrightOwnerVideoContentCatService.list(updateWrapper1);
+        if (CollectionUtil.isNotEmpty(list)) {
+            return getFailResult("该视频分类正在被使用，不能删除");
+        }
+        // 删除视频分类信息
+        this.videoContentCatService.removeById(id);
+        // 删除版权方和视频分类对应信息
         this.copyrightOwnerVideoContentCatService.remove(updateWrapper1);
 
         final LambdaQueryWrapper<VideoContent> lambdaQueryWrapper = Wrappers.<VideoContent>lambdaQuery().eq(VideoContent::getVideoContentCatId, id).select(VideoContent::getId);