412 lines
14 KiB
Python
412 lines
14 KiB
Python
from __future__ import annotations
|
||
|
||
from datetime import UTC, datetime
|
||
from typing import Literal
|
||
|
||
from app.database.beatmap import Beatmap, BeatmapResp
|
||
from app.database.beatmapset import BeatmapsetResp
|
||
from app.database.lazer_user import User, UserResp
|
||
from app.database.multiplayer_event import MultiplayerEvent, MultiplayerEventResp
|
||
from app.database.playlist_attempts import ItemAttemptsCount, ItemAttemptsResp
|
||
from app.database.playlists import Playlist, PlaylistResp
|
||
from app.database.room import APIUploadedRoom, Room, RoomResp
|
||
from app.database.room_participated_user import RoomParticipatedUser
|
||
from app.database.score import Score
|
||
from app.dependencies.database import Database, get_redis
|
||
from app.dependencies.user import get_client_user, get_current_user
|
||
from app.models.room import RoomCategory, RoomStatus
|
||
from app.service.room import create_playlist_room_from_api
|
||
from app.signalr.hub import MultiplayerHubs
|
||
|
||
from .router import router
|
||
|
||
from fastapi import Depends, HTTPException, Path, Query, Security
|
||
from pydantic import BaseModel, Field
|
||
from redis.asyncio import Redis
|
||
from sqlalchemy.sql.elements import ColumnElement
|
||
from sqlmodel import col, exists, select
|
||
from sqlmodel.ext.asyncio.session import AsyncSession
|
||
|
||
|
||
@router.get(
|
||
"/rooms",
|
||
tags=["房间"],
|
||
response_model=list[RoomResp],
|
||
name="获取房间列表",
|
||
description="获取房间列表。支持按状态/模式筛选",
|
||
)
|
||
async def get_all_rooms(
|
||
db: Database,
|
||
mode: Literal["open", "ended", "participated", "owned", None] = Query(
|
||
default="open",
|
||
description=("房间模式：open 当前开放 / ended 已经结束 / participated 参与过 / owned 自己创建的房间"),
|
||
),
|
||
category: RoomCategory = Query(
|
||
RoomCategory.NORMAL,
|
||
description=("房间分类：NORMAL 普通歌单模式房间 / REALTIME 多人游戏房间 / DAILY_CHALLENGE 每日挑战"),
|
||
),
|
||
status: RoomStatus | None = Query(None, description="房间状态（可选）"),
|
||
current_user: User = Security(get_current_user, scopes=["public"]),
|
||
):
|
||
resp_list: list[RoomResp] = []
|
||
where_clauses: list[ColumnElement[bool]] = [col(Room.category) == category]
|
||
now = datetime.now(UTC)
|
||
if status is not None:
|
||
where_clauses.append(col(Room.status) == status)
|
||
if mode == "open":
|
||
where_clauses.append((col(Room.ends_at).is_(None)) | (col(Room.ends_at) > now.replace(tzinfo=UTC)))
|
||
if category == RoomCategory.REALTIME:
|
||
where_clauses.append(col(Room.id).in_(MultiplayerHubs.rooms.keys()))
|
||
if mode == "participated":
|
||
where_clauses.append(
|
||
exists().where(
|
||
col(RoomParticipatedUser.room_id) == Room.id,
|
||
col(RoomParticipatedUser.user_id) == current_user.id,
|
||
)
|
||
)
|
||
if mode == "owned":
|
||
where_clauses.append(col(Room.host_id) == current_user.id)
|
||
if mode == "ended":
|
||
where_clauses.append((col(Room.ends_at).is_not(None)) & (col(Room.ends_at) < now.replace(tzinfo=UTC)))
|
||
|
||
db_rooms = (
|
||
(
|
||
await db.exec(
|
||
select(Room).where(
|
||
*where_clauses,
|
||
)
|
||
)
|
||
)
|
||
.unique()
|
||
.all()
|
||
)
|
||
|
||
for room in db_rooms:
|
||
resp = await RoomResp.from_db(room, db)
|
||
if category == RoomCategory.REALTIME:
|
||
mp_room = MultiplayerHubs.rooms.get(room.id)
|
||
resp.has_password = bool(mp_room.room.settings.password.strip()) if mp_room is not None else False
|
||
resp.category = RoomCategory.NORMAL
|
||
resp_list.append(resp)
|
||
|
||
return resp_list
|
||
|
||
|
||
class APICreatedRoom(RoomResp):
|
||
"""创建房间返回模型，继承 RoomResp。额外字段:
|
||
- error: 错误信息（为空表示成功）。"""
|
||
|
||
error: str = ""
|
||
|
||
|
||
async def _participate_room(room_id: int, user_id: int, db_room: Room, session: AsyncSession, redis: Redis):
|
||
participated_user = (
|
||
await session.exec(
|
||
select(RoomParticipatedUser).where(
|
||
RoomParticipatedUser.room_id == room_id,
|
||
RoomParticipatedUser.user_id == user_id,
|
||
)
|
||
)
|
||
).first()
|
||
if participated_user is None:
|
||
participated_user = RoomParticipatedUser(
|
||
room_id=room_id,
|
||
user_id=user_id,
|
||
joined_at=datetime.now(UTC),
|
||
)
|
||
session.add(participated_user)
|
||
else:
|
||
participated_user.left_at = None
|
||
participated_user.joined_at = datetime.now(UTC)
|
||
db_room.participant_count += 1
|
||
|
||
await redis.publish("chat:room:joined", f"{db_room.channel_id}:{user_id}")
|
||
|
||
|
||
@router.post(
|
||
"/rooms",
|
||
tags=["房间"],
|
||
response_model=APICreatedRoom,
|
||
name="创建房间",
|
||
description="**客户端专属**\n创建一个新的房间。",
|
||
)
|
||
async def create_room(
|
||
db: Database,
|
||
room: APIUploadedRoom,
|
||
current_user: User = Security(get_client_user),
|
||
redis: Redis = Depends(get_redis),
|
||
):
|
||
user_id = current_user.id
|
||
db_room = await create_playlist_room_from_api(db, room, user_id)
|
||
await _participate_room(db_room.id, user_id, db_room, db, redis)
|
||
await db.commit()
|
||
await db.refresh(db_room)
|
||
created_room = APICreatedRoom.model_validate(await RoomResp.from_db(db_room, db))
|
||
created_room.error = ""
|
||
return created_room
|
||
|
||
|
||
@router.get(
|
||
"/rooms/{room_id}",
|
||
tags=["房间"],
|
||
response_model=RoomResp,
|
||
name="获取房间详情",
|
||
description="获取单个房间详情。",
|
||
)
|
||
async def get_room(
|
||
db: Database,
|
||
room_id: int = Path(..., description="房间 ID"),
|
||
category: str = Query(
|
||
default="",
|
||
description=("房间分类：NORMAL 普通歌单模式房间 / REALTIME 多人游戏房间 / DAILY_CHALLENGE 每日挑战 (可选)"),
|
||
),
|
||
current_user: User = Security(get_client_user),
|
||
redis: Redis = Depends(get_redis),
|
||
):
|
||
db_room = (await db.exec(select(Room).where(Room.id == room_id))).first()
|
||
if db_room is None:
|
||
raise HTTPException(404, "Room not found")
|
||
resp = await RoomResp.from_db(db_room, include=["current_user_score"], session=db, user=current_user)
|
||
return resp
|
||
|
||
|
||
@router.delete(
|
||
"/rooms/{room_id}",
|
||
tags=["房间"],
|
||
name="结束房间",
|
||
description="**客户端专属**\n结束歌单模式房间。",
|
||
)
|
||
async def delete_room(
|
||
db: Database,
|
||
room_id: int = Path(..., description="房间 ID"),
|
||
current_user: User = Security(get_client_user),
|
||
):
|
||
db_room = (await db.exec(select(Room).where(Room.id == room_id))).first()
|
||
if db_room is None:
|
||
raise HTTPException(404, "Room not found")
|
||
else:
|
||
db_room.ends_at = datetime.now(UTC)
|
||
await db.commit()
|
||
return None
|
||
|
||
|
||
@router.put(
|
||
"/rooms/{room_id}/users/{user_id}",
|
||
tags=["房间"],
|
||
name="加入房间",
|
||
description="**客户端专属**\n加入指定歌单模式房间。",
|
||
)
|
||
async def add_user_to_room(
|
||
db: Database,
|
||
room_id: int = Path(..., description="房间 ID"),
|
||
user_id: int = Path(..., description="用户 ID"),
|
||
redis: Redis = Depends(get_redis),
|
||
current_user: User = Security(get_client_user),
|
||
):
|
||
db_room = (await db.exec(select(Room).where(Room.id == room_id))).first()
|
||
if db_room is not None:
|
||
await _participate_room(room_id, user_id, db_room, db, redis)
|
||
await db.commit()
|
||
await db.refresh(db_room)
|
||
resp = await RoomResp.from_db(db_room, db)
|
||
return resp
|
||
else:
|
||
raise HTTPException(404, "room not found0")
|
||
|
||
|
||
@router.delete(
|
||
"/rooms/{room_id}/users/{user_id}",
|
||
tags=["房间"],
|
||
name="离开房间",
|
||
description="**客户端专属**\n离开指定歌单模式房间。",
|
||
)
|
||
async def remove_user_from_room(
|
||
db: Database,
|
||
room_id: int = Path(..., description="房间 ID"),
|
||
user_id: int = Path(..., description="用户 ID"),
|
||
current_user: User = Security(get_client_user),
|
||
redis: Redis = Depends(get_redis),
|
||
):
|
||
db_room = (await db.exec(select(Room).where(Room.id == room_id))).first()
|
||
if db_room is not None:
|
||
participated_user = (
|
||
await db.exec(
|
||
select(RoomParticipatedUser).where(
|
||
RoomParticipatedUser.room_id == room_id,
|
||
RoomParticipatedUser.user_id == user_id,
|
||
)
|
||
)
|
||
).first()
|
||
if participated_user is not None:
|
||
participated_user.left_at = datetime.now(UTC)
|
||
if db_room.participant_count > 0:
|
||
db_room.participant_count -= 1
|
||
await redis.publish("chat:room:left", f"{db_room.channel_id}:{user_id}")
|
||
await db.commit()
|
||
return None
|
||
else:
|
||
raise HTTPException(404, "Room not found")
|
||
|
||
|
||
class APILeaderboard(BaseModel):
|
||
"""房间全局排行榜返回模型。
|
||
- leaderboard: 用户游玩统计（尝试次数/分数等）。
|
||
- user_score: 当前用户对应统计。"""
|
||
|
||
leaderboard: list[ItemAttemptsResp] = Field(default_factory=list)
|
||
user_score: ItemAttemptsResp | None = None
|
||
|
||
|
||
@router.get(
|
||
"/rooms/{room_id}/leaderboard",
|
||
tags=["房间"],
|
||
response_model=APILeaderboard,
|
||
name="获取房间排行榜",
|
||
description="获取房间内累计得分排行榜。",
|
||
)
|
||
async def get_room_leaderboard(
|
||
db: Database,
|
||
room_id: int = Path(..., description="房间 ID"),
|
||
current_user: User = Security(get_current_user, scopes=["public"]),
|
||
):
|
||
db_room = (await db.exec(select(Room).where(Room.id == room_id))).first()
|
||
if db_room is None:
|
||
raise HTTPException(404, "Room not found")
|
||
aggs = await db.exec(
|
||
select(ItemAttemptsCount)
|
||
.where(ItemAttemptsCount.room_id == room_id)
|
||
.order_by(col(ItemAttemptsCount.total_score).desc())
|
||
)
|
||
aggs_resp = []
|
||
user_agg = None
|
||
for i, agg in enumerate(aggs):
|
||
resp = await ItemAttemptsResp.from_db(agg, db)
|
||
resp.position = i + 1
|
||
aggs_resp.append(resp)
|
||
if agg.user_id == current_user.id:
|
||
user_agg = resp
|
||
return APILeaderboard(
|
||
leaderboard=aggs_resp,
|
||
user_score=user_agg,
|
||
)
|
||
|
||
|
||
class RoomEvents(BaseModel):
|
||
"""房间事件流返回模型。
|
||
- beatmaps: 本次结果涉及的谱面列表。
|
||
- beatmapsets: 谱面集映射。
|
||
- current_playlist_item_id: 当前游玩列表（项目）项 ID。
|
||
- events: 事件列表。
|
||
- first_event_id / last_event_id: 事件范围。
|
||
- playlist_items: 房间游玩列表（项目）详情。
|
||
- room: 房间详情。
|
||
- user: 关联用户列表。"""
|
||
|
||
beatmaps: list[BeatmapResp] = Field(default_factory=list)
|
||
beatmapsets: dict[int, BeatmapsetResp] = Field(default_factory=dict)
|
||
current_playlist_item_id: int = 0
|
||
events: list[MultiplayerEventResp] = Field(default_factory=list)
|
||
first_event_id: int = 0
|
||
last_event_id: int = 0
|
||
playlist_items: list[PlaylistResp] = Field(default_factory=list)
|
||
room: RoomResp
|
||
user: list[UserResp] = Field(default_factory=list)
|
||
|
||
|
||
@router.get(
|
||
"/rooms/{room_id}/events",
|
||
response_model=RoomEvents,
|
||
tags=["房间"],
|
||
name="获取房间事件",
|
||
description="获取房间事件列表 （倒序，可按 after / before 进行范围截取）。",
|
||
)
|
||
async def get_room_events(
|
||
db: Database,
|
||
room_id: int = Path(..., description="房间 ID"),
|
||
current_user: User = Security(get_current_user, scopes=["public"]),
|
||
limit: int = Query(100, ge=1, le=1000, description="返回条数 (1-1000)"),
|
||
after: int | None = Query(None, ge=0, description="仅包含大于该事件 ID 的事件"),
|
||
before: int | None = Query(None, ge=0, description="仅包含小于该事件 ID 的事件"),
|
||
):
|
||
events = (
|
||
await db.exec(
|
||
select(MultiplayerEvent)
|
||
.where(
|
||
MultiplayerEvent.room_id == room_id,
|
||
col(MultiplayerEvent.id) > after if after is not None else True,
|
||
col(MultiplayerEvent.id) < before if before is not None else True,
|
||
)
|
||
.order_by(col(MultiplayerEvent.id).desc())
|
||
.limit(limit)
|
||
)
|
||
).all()
|
||
|
||
user_ids = set()
|
||
playlist_items = {}
|
||
beatmap_ids = set()
|
||
|
||
event_resps = []
|
||
first_event_id = 0
|
||
last_event_id = 0
|
||
|
||
current_playlist_item_id = 0
|
||
for event in events:
|
||
event_resps.append(MultiplayerEventResp.from_db(event))
|
||
if event.user_id:
|
||
user_ids.add(event.user_id)
|
||
if event.playlist_item_id is not None and (
|
||
playitem := (
|
||
await db.exec(
|
||
select(Playlist).where(
|
||
Playlist.id == event.playlist_item_id,
|
||
Playlist.room_id == room_id,
|
||
)
|
||
)
|
||
).first()
|
||
):
|
||
current_playlist_item_id = playitem.id
|
||
playlist_items[event.playlist_item_id] = playitem
|
||
beatmap_ids.add(playitem.beatmap_id)
|
||
scores = await db.exec(
|
||
select(Score).where(
|
||
Score.playlist_item_id == event.playlist_item_id,
|
||
Score.room_id == room_id,
|
||
)
|
||
)
|
||
for score in scores:
|
||
user_ids.add(score.user_id)
|
||
beatmap_ids.add(score.beatmap_id)
|
||
first_event_id = min(first_event_id, event.id)
|
||
last_event_id = max(last_event_id, event.id)
|
||
|
||
if room := MultiplayerHubs.rooms.get(room_id):
|
||
current_playlist_item_id = room.queue.current_item.id
|
||
room_resp = await RoomResp.from_hub(room)
|
||
else:
|
||
room = (await db.exec(select(Room).where(Room.id == room_id))).first()
|
||
if room is None:
|
||
raise HTTPException(404, "Room not found")
|
||
room_resp = await RoomResp.from_db(room, db)
|
||
|
||
users = await db.exec(select(User).where(col(User.id).in_(user_ids)))
|
||
user_resps = [await UserResp.from_db(user, db) for user in users]
|
||
beatmaps = await db.exec(select(Beatmap).where(col(Beatmap.id).in_(beatmap_ids)))
|
||
beatmap_resps = [await BeatmapResp.from_db(beatmap, session=db) for beatmap in beatmaps]
|
||
beatmapset_resps = {}
|
||
for beatmap_resp in beatmap_resps:
|
||
beatmapset_resps[beatmap_resp.beatmapset_id] = beatmap_resp.beatmapset
|
||
|
||
playlist_items_resps = [await PlaylistResp.from_db(item) for item in playlist_items.values()]
|
||
|
||
return RoomEvents(
|
||
beatmaps=beatmap_resps,
|
||
beatmapsets=beatmapset_resps,
|
||
current_playlist_item_id=current_playlist_item_id,
|
||
events=event_resps,
|
||
first_event_id=first_event_id,
|
||
last_event_id=last_event_id,
|
||
playlist_items=playlist_items_resps,
|
||
room=room_resp,
|
||
user=user_resps,
|
||
)
|