fix(multiplayer): fix logic errors in a room's end time

app/router/room.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from datetime import UTC, datetime
+from datetime import UTC, datetime, timedelta
 from typing import Literal
 
 from app.database.beatmap import Beatmap, BeatmapResp
@@ -42,8 +42,8 @@ async def get_all_rooms(
     resp_list: list[RoomResp] = []
     db_rooms = (await db.exec(select(Room).where(True))).unique().all()
     for room in db_rooms:
-        if room.ended_at is not None and room.ended_at > datetime.now(UTC):
-            resp_list.append(await RoomResp.from_db(room))
+        # if room.ends_at is not None and room.ends_at > datetime.now(UTC):
+        resp_list.append(await RoomResp.from_db(room))
     return resp_list
 
 
@@ -78,9 +78,9 @@ async def create_room(
     db_room = room.to_room()
     db_room.host_id = current_user.id if current_user.id else 1
     db_room.starts_at = datetime.now(UTC)
-    # db_room.ended_at = db_room.starts_at + timedelta(
-    #     minutes=db_room.duration if db_room.duration is not None else 0
-    # )
+    db_room.ends_at = db_room.starts_at + timedelta(
+        minutes=db_room.duration if db_room.duration is not None else 0
+    )
     db.add(db_room)
     await db.commit()
     await db.refresh(db_room)
@@ -134,6 +134,7 @@ async def add_user_to_room(room: int, user: int, db: AsyncSession = Depends(get_
     if db_room is not None:
         db_room.participant_count += 1
         await db.commit()
+        await db.refresh(db_room)
         resp = await RoomResp.from_db(db_room)
         await db.refresh(db_room)
         for item in db_room.playlist:

app/router/score.py

@@ -285,7 +285,10 @@ async def create_playlist_score(
     room = await session.get(Room, room_id)
     if not room:
         raise HTTPException(status_code=404, detail="Room not found")
-    if room.ended_at and room.ended_at < datetime.now(UTC):
+    db_room_time = (
+        room.ends_at.replace(tzinfo=UTC) if room.ends_at is not None else room.starts_at
+    )
+    if db_room_time and db_room_time < datetime.now(UTC):
         raise HTTPException(status_code=400, detail="Room has ended")
     item = (
         await session.exec(