wip fix utils to convert scan info

debye_bec/devices/utils/utils.py

@@ -1,8 +1,11 @@
 """Utility functions for the devices."""
 
+from copy import deepcopy
+
+import numpy as np
 from bec_lib.devicemanager import ScanInfo
 from bec_server.scan_server.scans.scan_base import ScanInfo as ScanServerScanInfo
-import numpy as np
+from pydantic import ValidationError
 
 
 def fetch_scan_info(scan_info: ScanInfo) -> ScanServerScanInfo:
@@ -10,4 +13,14 @@ def fetch_scan_info(scan_info: ScanInfo) -> ScanServerScanInfo:
     info = scan_info.msg.info
     if isinstance(info["positions"], list):
         info["positions"] = np.array(info["positions"])
-    return ScanServerScanInfo.model_validate(info)
+    try:
+        msg = ScanServerScanInfo.model_validate(info)
+    except ValidationError:  # This means we have an old scan_info object.
+        info = deepcopy(info)
+        # We need to convert a few parameters manually.
+        info["scan_type"] = (
+            "hardware_triggered" if info["scan_type"] == "fly" else "software_triggered"
+        )
+        msg = ScanServerScanInfo.model_validate(info)
+
+    return msg