更新分组标签被使用后不能进行删除

yami-shop-admin/src/main/java/com/yami/shop/admin/controller/ProdTagController.java

@@ -12,12 +12,15 @@ package com.yami.shop.admin.controller;
 
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.yami.shop.bean.model.ProdTagReference;
 import com.yami.shop.common.util.PageParam;
 import com.yami.shop.bean.model.ProdTag;
 import com.yami.shop.common.annotation.SysLog;
 import com.yami.shop.common.exception.YamiShopBindException;
 import com.yami.shop.security.util.SecurityUtils;
+import com.yami.shop.service.ProdTagReferenceService;
 import com.yami.shop.service.ProdTagService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
@@ -41,6 +44,9 @@ public class ProdTagController {
     @Autowired
     private ProdTagService prodTagService;
 
+    @Autowired
+    private ProdTagReferenceService prodTagReferenceService;
+
     /**
      * 分页查询
      *
@@ -120,6 +126,13 @@ public class ProdTagController {
         if (prodTag.getIsDefault() != 0) {
             throw new YamiShopBindException("默认标签不能删除");
         }
+        // 校验分组是否已经使用过
+        int count = prodTagReferenceService.count(new LambdaUpdateWrapper<ProdTagReference>()
+                .eq(ProdTagReference::getStatus, 1)
+                .eq(ProdTagReference::getTagId, id));
+        if (count > 0) {
+            throw new YamiShopBindException("该分组已被商品使用，无法进行删除操作");
+        }
         prodTagService.removeProdTag();
         return ResponseEntity.ok(prodTagService.removeById(id));
     }