pms 新增设备台账 没有设备BOM保存报错

yudao-module-pms/yudao-module-pms-biz/src/main/java/cn/iocoder/yudao/module/pms/service/iotbom/IotBomServiceImpl.java

@@ -202,34 +202,33 @@ public class IotBomServiceImpl implements IotBomService {
     public void copyBomByCategory(Long deviceCategoryId, Long deviceId) {
         // 1. 查询源数据（按创建时间排序保证基础顺序）
         List<IotBomDO> sourceBoms = deviceCategoryBom(deviceCategoryId);
-        if (CollUtil.isEmpty(sourceBoms)) {
-            throw exception(IOT_BOM_NOT_EXISTS);
+        if (CollUtil.isNotEmpty(sourceBoms)) {
+            // 2. 构建树形结构并获取层级顺序
+            List<IotBomDO> orderedBoms = buildHierarchyOrder(sourceBoms);
+            // 查询当前所有BOM节点关联的所有物料
+            List<Long> bomIds = convertListByFlatMap(orderedBoms, bom -> Stream.of(bom.getId()));
+            IotCommonBomMaterialSaveReqVO reqVO = new IotCommonBomMaterialSaveReqVO();
+            reqVO.setBomNodeIds(bomIds);
+            List<IotCommonBomMaterialDO> bomMaterials = iotCommonBomMaterialMapper.selectList(reqVO);
+            Map<Long, List<IotCommonBomMaterialDO>> bomNodeMaterialMap = bomMaterials.stream()
+                    .collect(Collectors.groupingBy(
+                            IotCommonBomMaterialDO::getBomNodeId,  // 分组键：提取 bomNodeId
+                            Collectors.toList()                      // 分组值：保存为列表
+                    ));
+            // 3. 生成ID映射关系
+            Map<Long, Long> idMapping = new LinkedHashMap<>();
+            orderedBoms.forEach(bom -> idMapping.put(bom.getId(), IdGenerator.nextId()));
+            // 4. 转换目标对象
+            List<IotDeviceBomDO> targetBoms = convertBoms(orderedBoms, idMapping, deviceId);
+            // 转换 bom关联的物料 目标对象
+            List<IotDeviceMaterialDO> targetDeviceMaterials = convertBomMaterials(idMapping, deviceCategoryId, deviceId, bomNodeMaterialMap);
+            // 批量插入 设备bom关联的物料  // 设备分类BOM已经挂载的物料 也要拷贝到 设备BOM关联物料表
+            iotDeviceMaterialMapper.insertBatch(targetDeviceMaterials);
+            // 批量插入设备BOM
+            iotDeviceBomMapper.insertBatch(targetBoms);
+            // 拷贝BOM成功后 设置设备 bom_sync_status 字段 为 1已同步
+            iotDeviceMapper.updateBomSyncStatus(deviceId);
         }
-        // 2. 构建树形结构并获取层级顺序
-        List<IotBomDO> orderedBoms = buildHierarchyOrder(sourceBoms);
-        // 查询当前所有BOM节点关联的所有物料
-        List<Long> bomIds = convertListByFlatMap(orderedBoms, bom -> Stream.of(bom.getId()));
-        IotCommonBomMaterialSaveReqVO reqVO = new IotCommonBomMaterialSaveReqVO();
-        reqVO.setBomNodeIds(bomIds);
-        List<IotCommonBomMaterialDO> bomMaterials = iotCommonBomMaterialMapper.selectList(reqVO);
-        Map<Long, List<IotCommonBomMaterialDO>> bomNodeMaterialMap = bomMaterials.stream()
-                .collect(Collectors.groupingBy(
-                        IotCommonBomMaterialDO::getBomNodeId,  // 分组键：提取 bomNodeId
-                        Collectors.toList()                      // 分组值：保存为列表
-                ));
-        // 3. 生成ID映射关系
-        Map<Long, Long> idMapping = new LinkedHashMap<>();
-        orderedBoms.forEach(bom -> idMapping.put(bom.getId(), IdGenerator.nextId()));
-        // 4. 转换目标对象
-        List<IotDeviceBomDO> targetBoms = convertBoms(orderedBoms, idMapping, deviceId);
-        // 转换 bom关联的物料 目标对象
-        List<IotDeviceMaterialDO> targetDeviceMaterials = convertBomMaterials(idMapping, deviceCategoryId, deviceId, bomNodeMaterialMap);
-        // 批量插入 设备bom关联的物料  // 设备分类BOM已经挂载的物料 也要拷贝到 设备BOM关联物料表
-        iotDeviceMaterialMapper.insertBatch(targetDeviceMaterials);
-        // 批量插入设备BOM
-        iotDeviceBomMapper.insertBatch(targetBoms);
-        // 拷贝BOM成功后 设置设备 bom_sync_status 字段 为 1已同步
-        iotDeviceMapper.updateBomSyncStatus(deviceId);
     }
 
     /**