refactor(project): use unified utcnow

app/signalr/hub/metadata.py

@@ -3,7 +3,6 @@ from __future__ import annotations
 import asyncio
 from collections import defaultdict
 from collections.abc import Coroutine
-from datetime import UTC, datetime
 import math
 from typing import override
 
@@ -27,6 +26,7 @@ from app.models.metadata_hub import (
 )
 from app.models.room import RoomCategory
 from app.service.subscribers.score_processed import ScoreSubscriber
+from app.utils import utcnow
 
 from .hub import Client, Hub
 
@@ -41,11 +41,11 @@ class MetadataHub(Hub[MetadataClientState]):
         self.subscriber = ScoreSubscriber()
         self.subscriber.metadata_hub = self
         self._daily_challenge_stats: MultiplayerRoomStats | None = None
-        self._today = datetime.now(UTC).date()
+        self._today = utcnow().date()
         self._lock = asyncio.Lock()
 
     def get_daily_challenge_stats(self, daily_challenge_room: int) -> MultiplayerRoomStats:
-        if self._daily_challenge_stats is None or self._today != datetime.now(UTC).date():
+        if self._daily_challenge_stats is None or self._today != utcnow().date():
             self._daily_challenge_stats = MultiplayerRoomStats(
                 room_id=daily_challenge_room,
                 playlist_item_stats={},
@@ -98,7 +98,7 @@ class MetadataHub(Hub[MetadataClientState]):
         async with with_db() as session:
             async with session.begin():
                 user = (await session.exec(select(User).where(User.id == int(state.connection_id)))).one()
-                user.last_visit = datetime.now(UTC)
+                user.last_visit = utcnow()
                 await session.commit()
 
     @override
@@ -149,7 +149,7 @@ class MetadataHub(Hub[MetadataClientState]):
                 daily_challenge_room = (
                     await session.exec(
                         select(Room).where(
-                            col(Room.ends_at) > datetime.now(UTC),
+                            col(Room.ends_at) > utcnow(),
                             Room.category == RoomCategory.DAILY_CHALLENGE,
                         )
                     )

app/signalr/hub/multiplayer.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import asyncio
-from datetime import UTC, datetime, timedelta
+from datetime import timedelta
 from typing import override
 
 from app.database import Room
@@ -44,6 +44,7 @@ from app.models.room import (
     RoomStatus,
 )
 from app.models.score import GameMode
+from app.utils import utcnow
 
 from .hub import Client, Hub
 
@@ -233,7 +234,7 @@ class MultiplayerHub(Hub[MultiplayerClientState]):
                 item = room.playlist[0]
                 item.owner_id = client.user_id
                 room.room_id = db_room.id
-                starts_at = db_room.starts_at or datetime.now(UTC)
+                starts_at = db_room.starts_at or utcnow()
                 beatmap_exists = await session.exec(select(exists().where(col(Beatmap.id) == item.beatmap_id)))
                 if not beatmap_exists.one():
                     fetcher = await get_fetcher()
@@ -306,7 +307,7 @@ class MultiplayerHub(Hub[MultiplayerClientState]):
                     session.add(participated_user)
                 else:
                     participated_user.left_at = None
-                    participated_user.joined_at = datetime.now(UTC)
+                    participated_user.joined_at = utcnow()
 
                 db_room = await session.get(Room, room_id)
                 if db_room is None:
@@ -1056,7 +1057,7 @@ class MultiplayerHub(Hub[MultiplayerClientState]):
                     )
                 ).first()
                 if participated_user is not None:
-                    participated_user.left_at = datetime.now(UTC)
+                    participated_user.left_at = utcnow()
 
                 db_room = await session.get(Room, room.room.room_id)
                 if db_room is None:
@@ -1087,7 +1088,7 @@ class MultiplayerHub(Hub[MultiplayerClientState]):
                 .where(col(Room.id) == room.room.room_id)
                 .values(
                     name=room.room.settings.name,
-                    ends_at=datetime.now(UTC),
+                    ends_at=utcnow(),
                     type=room.room.settings.match_type,
                     queue_mode=room.room.settings.queue_mode,
                     auto_skip=room.room.settings.auto_skip,