Update app.py

app.py

@@ -10,10 +10,13 @@ app = FastAPI()
 # Fixed users in the system (0 is the only hardcoded user for now, assuming another is 1)
 VALID_USER_IDS = [0, 1]
 # User status tracking (only tracks last time seen, actual online status is handled by ConnectionManager)
-userLastOnlineTime: Dict[int, float] = {id: 0.0 for id in VALID_USER_IDS}
+userLastOnlineTime: Dict[int, int] = {id: 0 for id in VALID_USER_IDS}
 # In-memory "database" using a list of dictionaries
 messages: List[Dict] = []
 
+async def timeMiliSec(sec_time):
+    return int(sec_time * 1000)
+
 
 class ConnectionManager:
     """Manages active WebSocket connections, mapping user_id to WebSocket."""
@@ -88,8 +91,8 @@ def addMessage(sender_id: int, data: Dict) -> Dict:
     new_message = {
         "id": new_message_id,
         "content": data.get("content", ""),
-        "time_client": data.get("timestamp", time.time()),
-        "time_server": time.time(),
+        "time_client": data.get("timestamp", timeMiliSec(time.time())),
+        "time_server": timeMiliSec(time.time()),
         "sender_id": sender_id,
         "receiver_id": receiver_id, # Target receiver ID
         "status": status_tracker
@@ -159,7 +162,7 @@ async def websocket_endpoint(websocket: WebSocket, user_id: int):
         return
 
     await manager.connect(user_id, websocket)
-    userLastOnlineTime[user_id] = time.time() # Now officially "online"
+    userLastOnlineTime[user_id] = timeMiliSec(time.time()) # Now officially "online"
     print(f"User {user_id} connected.")
 
     # 2. Initial Status Broadcast
@@ -247,7 +250,7 @@ async def websocket_endpoint(websocket: WebSocket, user_id: int):
     except WebSocketDisconnect:
         # 4. Disconnection Handling
         manager.disconnect(user_id)
-        userLastOnlineTime[user_id] = time.time()
+        userLastOnlineTime[user_id] = timeMiliSec(time.time())
         print(f"User {user_id} disconnected at {userLastOnlineTime[user_id]}.")
 
         # 5. Status Broadcast on Disconnect