feat: enhance auto-recovery logic for drones by distinguishing between…

feat: enhance auto-recovery logic for drones by distinguishing between sub-devices and independent devices

sample/src/main/java/com/dji/sample/manage/service/impl/DeviceServiceImpl.java

@@ -1698,9 +1698,22 @@ public class DeviceServiceImpl extends ServiceImpl<IDeviceMapper, DeviceEntity>
         } else if (DeviceDomainEnum.REMOTER_CONTROL == dbDevice.getDomain()) {
             recoverGatewayOnline(dbDevice);
         } else if (DeviceDomainEnum.DRONE == dbDevice.getDomain()) {
+            // 通过 child_sn 反查父设备（数据库中没有 parent_sn 字段，parentSn 只存在于 Redis）
+            List<DeviceDTO> parentDevices = this.getDevicesByParams(
+                    DeviceQueryParam.builder().childSn(deviceSn).build());
+            if (!parentDevices.isEmpty()) {
+                // 子设备无人机：通过父设备（机场/遥控器）恢复整个拓扑
+                DeviceDTO parentDevice = parentDevices.get(0);
+                log.info("[Auto-Recovery] Drone {} is a sub-device, recovering via gateway {}",
+                        deviceSn, parentDevice.getDeviceSn());
+                recoverGatewayOnline(parentDevice);
+            } else {
+                // 独立无人机：直接恢复
+                log.info("[Auto-Recovery] Drone {} is an independent device, recovering directly", deviceSn);
                 recoverDroneOnline(dbDevice);
             }
         }
+    }
 
     @Override
     public void recoverGatewayOnline(String gatewaySn) {
@@ -1726,6 +1739,7 @@ public class DeviceServiceImpl extends ServiceImpl<IDeviceMapper, DeviceEntity>
         }
         DeviceDTO dbDevice = dbDeviceOpt.get();
 
+        log.info("[Auto-Recovery] Recovering gateway {} and sub-device {}", gatewaySn, deviceSn);
         GatewayManager gatewayManager = SDKManager.registerDevice(gatewaySn, deviceSn,
                 dbGateway.getDomain(), dbGateway.getType(),
                 dbGateway.getSubType(), dbGateway.getThingVersion(), dbDevice.getThingVersion());
@@ -1759,6 +1773,7 @@ public class DeviceServiceImpl extends ServiceImpl<IDeviceMapper, DeviceEntity>
         if (DeviceDomainEnum.DRONE != dbDevice.getDomain()) {
             return;
         }
+        log.info("[Auto-Recovery] Recovering independent drone {}", dbDevice.getDeviceSn());
         deviceRedisService.setDeviceOnline(dbDevice);
         this.subDroneOnlineSubscribeTopic(dbDevice.getDeviceSn());
         // deviceService.pushDeviceOnlineTopo(dbGateway.getWorkspaceId(), dbGateway.getDeviceSn(), dbDevice.getDeviceSn());