Feat/add langsmith dotted order (#10856)

api/core/ops/utils.py

@@ -1,5 +1,6 @@
 from contextlib import contextmanager
 from datetime import datetime
+from typing import Optional, Union
 
 from extensions.ext_database import db
 from models.model import Message
@@ -43,3 +44,19 @@ def replace_text_with_content(data):
         return [replace_text_with_content(item) for item in data]
     else:
         return data
+
+
+def generate_dotted_order(
+    run_id: str, start_time: Union[str, datetime], parent_dotted_order: Optional[str] = None
+) -> str:
+    """
+    generate dotted_order for langsmith
+    """
+    start_time = datetime.fromisoformat(start_time) if isinstance(start_time, str) else start_time
+    timestamp = start_time.strftime("%Y%m%dT%H%M%S%f")[:-3] + "Z"
+    current_segment = f"{timestamp}{run_id}"
+
+    if parent_dotted_order is None:
+        return current_segment
+
+    return f"{parent_dotted_order}.{current_segment}"