refac

backend/open_webui/models/chats.py

@@ -806,7 +806,20 @@ class ChatTable:
                 if filter.get("end_time"):
                     query = query.filter(Chat.created_at <= filter.get("end_time"))
 
-            query = query.order_by(Chat.updated_at.desc())
+                order_by = filter.get("order_by")
+                direction = filter.get("direction")
+
+                if order_by and direction:
+                    if hasattr(Chat, order_by):
+                        if direction.lower() == "asc":
+                            query = query.order_by(getattr(Chat, order_by).asc())
+                        elif direction.lower() == "desc":
+                            query = query.order_by(getattr(Chat, order_by).desc())
+                else:
+                    query = query.order_by(Chat.updated_at.desc())
+
+            else:
+                query = query.order_by(Chat.updated_at.desc())
 
             total = query.count()
 

backend/open_webui/routers/chats.py

@@ -206,6 +206,7 @@ def get_session_user_chat_usage_stats(
 @router.get("/stats/export", response_model=list[ChatStatsExport])
 async def export_chat_stats(
     request: Request,
+    chat_id: Optional[str] = None,
     start_time: Optional[int] = None,
     end_time: Optional[int] = None,
     page: Optional[int] = 1,
@@ -226,7 +227,13 @@ async def export_chat_stats(
         skip = (page - 1) * limit
 
         # Fetch chats with date filtering
-        filter = {}
+        filter = {"order_by": "created_at", "direction": "asc"}
+
+        if chat_id:
+            chat = Chats.get_chat_by_id(chat_id)
+            if chat:
+                filter["start_time"] = chat.created_at
+
         if start_time:
             filter["start_time"] = start_time
         if end_time: