修复PC商城进入店铺查看所有商品bug

cereshop-app/src/main/java/com/shop/cereshop/app/service/shop/impl/CerePlatformShopServiceImpl.java

@@ -5,6 +5,7 @@
  */
 package com.shop.cereshop.app.service.shop.impl;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import com.luciad.imageio.webp.WebPReadParam;
@@ -138,10 +139,12 @@ public class CerePlatformShopServiceImpl implements CerePlatformShopService {
                     product.setUsers(activityProduct.getUsers());
                 }
 
-                CereBuyerCollect collect = cereBuyerCollectService.findByUserProduct(user.getBuyerUserId(),product.getProductId());
-                if(collect!=null){
-                    product.setCollectId(collect.getCollectId());
-                    product.setIfCollect(collect.getState());
+                if (ObjectUtil.isNotEmpty(user)){
+                    CereBuyerCollect collect = cereBuyerCollectService.findByUserProduct(user.getBuyerUserId(),product.getProductId());
+                    if(collect!=null){
+                        product.setCollectId(collect.getCollectId());
+                        product.setIfCollect(collect.getState());
+                    }
                 }
             }
         }