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ch-wx-api/src/main/java/com/wwdz/ch/wx/impl/distribution/SupplierItemServiceImpl.java

@@ -712,34 +712,35 @@ public class SupplierItemServiceImpl implements SupplierItemService {
             //查询商品所属标签
             List<CollectionItemsRelation> collectionItemsRelations = collectionItemsRelationDao.findByItemId(itemId);
             List<Long> collectBookIds = collectionItemsRelations.stream().map(CollectionItemsRelation::getCollectionBookId).collect(Collectors.toList());
-            CollectionBookRequestDto collectionBookRequestDto = new CollectionBookRequestDto();
-            collectionBookRequestDto.setIds(collectBookIds);
-            List<CollectionBook> collectionBookList = collectionBookDao.find(collectionBookRequestDto);
-
-
-            //用户自定义排序
-            //查询标签排序记录
-            List<Map<String, Object>> list = new ArrayList<>();
-            CollectionBookSort collectionBookSort = collectionBookSortDao.find(userId);
-            if (collectionBookSort == null) {
-                supplierItemVo.setBookIdList(collectionBookList);
-            } else {
-                String sortInfo = collectionBookSort.getSortInfo();
-                Map<Long, String> bookMap = collectionBookList.stream().collect(Collectors.toMap(CollectionBook::getId, CollectionBook::getTitle, (k1, k2) -> k1));
-                List<String> sortList = Arrays.asList(sortInfo.split(","));
-                for (String sort : sortList) {
-                    Map<String, Object> map = new HashMap<>();
-                    long sortNum = Long.valueOf(sort);
-                    if (sortNum == 0 || CollectionBookConstants.DefaultBookEnum.getNameByCode(sortNum) != null) {
-                        continue;
-                    }
-                    if (bookMap.get(sortNum) != null) {
-                        map.put("id", sortNum);
-                        map.put("title", bookMap.get(sortNum));
-                        list.add(map);
+            //商品要有所属的分组才进行排序操作，并返回
+            if (!CollectionUtils.isEmpty(collectBookIds)) {
+                CollectionBookRequestDto collectionBookRequestDto = new CollectionBookRequestDto();
+                collectionBookRequestDto.setIds(collectBookIds);
+                List<CollectionBook> collectionBookList = collectionBookDao.find(collectionBookRequestDto);
+                //用户自定义排序
+                //查询标签排序记录
+                List<Map<String, Object>> list = new ArrayList<>();
+                CollectionBookSort collectionBookSort = collectionBookSortDao.find(userId);
+                if (collectionBookSort == null) {
+                    supplierItemVo.setBookIdList(collectionBookList);
+                } else {
+                    String sortInfo = collectionBookSort.getSortInfo();
+                    Map<Long, String> bookMap = collectionBookList.stream().collect(Collectors.toMap(CollectionBook::getId, CollectionBook::getTitle, (k1, k2) -> k1));
+                    List<String> sortList = Arrays.asList(sortInfo.split(","));
+                    for (String sort : sortList) {
+                        Map<String, Object> map = new HashMap<>();
+                        long sortNum = Long.valueOf(sort);
+                        if (sortNum == 0 || CollectionBookConstants.DefaultBookEnum.getNameByCode(sortNum) != null) {
+                            continue;
+                        }
+                        if (bookMap.get(sortNum) != null) {
+                            map.put("id", sortNum);
+                            map.put("title", bookMap.get(sortNum));
+                            list.add(map);
+                        }
                     }
+                    supplierItemVo.setBookIdList(list);
                 }
-                supplierItemVo.setBookIdList(list);
             }
             return Result.success(supplierItemVo);
         } catch (Exception e) {