Send UTC time

app.py

@@ -2,7 +2,7 @@ import asyncio
 import json
 import uuid
 from collections.abc import Iterator
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from enum import Enum
 from itertools import product
 from pathlib import Path
@@ -166,13 +166,13 @@ class Room:
         self.turn = Color.WHITE
         self.board = Board()
         self.players = []
-        self.last_move = datetime.now()
+        self.last_move = datetime.now(timezone.utc)
         self.game_start = None
         self.state = State.NOT_FINISHED
 
     def start(self):
-        self.last_move = datetime.now()
-        self.game_start = datetime.now()
+        self.last_move = datetime.now(timezone.utc)
+        self.game_start = datetime.now(timezone.utc)
 
     def add_player(self) -> None | tuple[str, Color]:
         np: int = len(self.players)
@@ -218,12 +218,25 @@ async def join(request, room_id):
                 "turn": room.turn.value,
                 "board": room.board.serialize(),
                 "ready": len(room.players) == 2,
+                "state": room.state.value,
+                "start_time": (
+                    room.game_start or datetime.now(timezone.utc)
+                ).isoformat(),
             },
         )
     else:
         return JSONResponse(
             request,
-            {"code": "FULL", "error": "Room Full", "board": room.board.serialize()},
+            {
+                "code": "FULL",
+                "error": "Room Full",
+                "board": room.board.serialize(),
+                "turn": room.turn.value,
+                "state": room.state.value,
+                "start_time": (
+                    room.game_start or datetime.now(timezone.utc)
+                ).isoformat(),
+            },
         )
 
 
@@ -445,11 +458,11 @@ async def move(request: Request, room_id):
 async def poll(request, room_id):
     for key in rooms:
         room = rooms[key]
-        if (datetime.now() - room.last_move) >= timedelta(hours=24):
+        if (datetime.now(timezone.utc) - room.last_move) >= timedelta(hours=24):
             del rooms[key]
         if (
             room.game_start
-            and (datetime.now() - room.game_start) >= timedelta(minutes=30)
+            and (datetime.now(timezone.utc) - room.game_start) >= timedelta(minutes=30)
             and room.state == State.NOT_FINISHED
         ):
             room.state = State.TIE
@@ -462,6 +475,7 @@ async def poll(request, room_id):
         "board": room.board.serialize(),
         "ready": len(room.players) == 2,
         "state": room.state.value,
+        "start_time": (room.game_start or datetime.now(timezone.utc)).isoformat(),
     }