389 lines
12 KiB
Python
389 lines
12 KiB
Python
from __future__ import annotations
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from typing import Literal
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from app.config import settings
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from app.database import Team, TeamMember, User, UserStatistics, UserStatisticsResp
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from app.dependencies import get_current_user
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from app.dependencies.database import Database, get_redis
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from app.models.score import GameMode
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from app.service.ranking_cache_service import get_ranking_cache_service
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from .router import router
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from fastapi import BackgroundTasks, Path, Query, Security
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from pydantic import BaseModel, Field
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from sqlmodel import col, select, func
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class TeamStatistics(BaseModel):
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team_id: int
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ruleset_id: int
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play_count: int
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ranked_score: int
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performance: int
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team: Team
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member_count: int
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class TeamResponse(BaseModel):
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ranking: list[TeamStatistics]
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total: int = Field(0, description="战队总数")
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SortType = Literal["performance", "score"]
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@router.get(
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"/rankings/{ruleset}/team",
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name="获取战队排行榜",
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description="获取在指定模式下按照 pp 排序的战队排行榜",
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tags=["排行榜"],
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response_model=TeamResponse,
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)
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async def get_team_ranking_pp(
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session: Database,
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background_tasks: BackgroundTasks,
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ruleset: GameMode = Path(..., description="指定 ruleset"),
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page: int = Query(1, ge=1, description="页码"),
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current_user: User = Security(get_current_user, scopes=["public"]),
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):
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return await get_team_ranking(session, background_tasks, "performance", ruleset, page, current_user)
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@router.get(
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"/rankings/{ruleset}/team/{sort}",
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response_model=TeamResponse,
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name="获取战队排行榜",
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description="获取在指定模式下的战队排行榜",
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tags=["排行榜"],
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)
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async def get_team_ranking(
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session: Database,
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background_tasks: BackgroundTasks,
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sort: SortType = Path(
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...,
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description="排名类型：performance 表现分 / score 计分成绩总分 "
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"**这个参数是本服务器额外添加的，不属于 v2 API 的一部分**",
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),
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ruleset: GameMode = Path(..., description="指定 ruleset"),
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page: int = Query(1, ge=1, description="页码"),
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current_user: User = Security(get_current_user, scopes=["public"]),
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):
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# 获取 Redis 连接和缓存服务
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redis = get_redis()
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cache_service = get_ranking_cache_service(redis)
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# 尝试从缓存获取数据（战队排行榜）
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cached_data = await cache_service.get_cached_team_ranking(ruleset, page)
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cached_stats = await cache_service.get_cached_team_stats(ruleset)
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if cached_data and cached_stats:
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# 从缓存返回数据
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return TeamResponse(
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ranking=[TeamStatistics.model_validate(item) for item in cached_data],
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total=cached_stats.get("total", 0),
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)
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# 缓存未命中，从数据库查询
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response = TeamResponse(ranking=[], total=0)
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teams = (await session.exec(select(Team))).all()
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valid_teams = [] # 存储有效的战队统计
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for team in teams:
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statistics = (
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await session.exec(
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select(UserStatistics).where(
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UserStatistics.mode == ruleset,
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UserStatistics.pp > 0,
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col(UserStatistics.user).has(col(User.team_membership).has(col(TeamMember.team_id) == team.id)),
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)
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)
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).all()
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if not statistics:
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continue
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pp = 0
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stats = TeamStatistics(
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team_id=team.id,
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ruleset_id=int(ruleset),
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play_count=0,
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ranked_score=0,
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performance=0,
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team=team,
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member_count=0,
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)
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for stat in statistics:
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stats.ranked_score += stat.ranked_score
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pp += stat.pp
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stats.member_count += 1
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stats.performance = round(pp)
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valid_teams.append(stats)
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# 排序
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if sort == "performance":
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valid_teams.sort(key=lambda x: x.performance, reverse=True)
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else:
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valid_teams.sort(key=lambda x: x.ranked_score, reverse=True)
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# 计算总数
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total_count = len(valid_teams)
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# 分页处理
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page_size = 50
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start_idx = (page - 1) * page_size
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end_idx = start_idx + page_size
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# 获取当前页的数据
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current_page_data = valid_teams[start_idx:end_idx]
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# 异步缓存数据（不等待完成）
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cache_data = [item.model_dump() for item in current_page_data]
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stats_data = {"total": total_count}
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# 创建后台任务来缓存数据
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background_tasks.add_task(
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cache_service.cache_team_ranking,
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ruleset,
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cache_data,
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page,
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ttl=settings.ranking_cache_expire_minutes * 60,
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)
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# 缓存统计信息
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background_tasks.add_task(
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cache_service.cache_team_stats,
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ruleset,
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stats_data,
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ttl=settings.ranking_cache_expire_minutes * 60,
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)
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# 返回当前页的结果
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response.ranking = current_page_data
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response.total = total_count
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return response
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class CountryStatistics(BaseModel):
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code: str
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active_users: int
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play_count: int
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ranked_score: int
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performance: int
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class CountryResponse(BaseModel):
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ranking: list[CountryStatistics]
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@router.get(
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"/rankings/{ruleset}/country",
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name="获取地区排行榜",
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description="获取在指定模式下按照 pp 排序的地区排行榜",
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tags=["排行榜"],
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response_model=CountryResponse,
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)
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async def get_country_ranking_pp(
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session: Database,
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background_tasks: BackgroundTasks,
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ruleset: GameMode = Path(..., description="指定 ruleset"),
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page: int = Query(1, ge=1, description="页码"),
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current_user: User = Security(get_current_user, scopes=["public"]),
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):
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return await get_country_ranking(session, background_tasks, ruleset, page, "performance", current_user)
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@router.get(
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"/rankings/{ruleset}/country/{sort}",
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response_model=CountryResponse,
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name="获取地区排行榜",
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description="获取在指定模式下的地区排行榜",
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tags=["排行榜"],
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)
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async def get_country_ranking(
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session: Database,
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background_tasks: BackgroundTasks,
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ruleset: GameMode = Path(..., description="指定 ruleset"),
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page: int = Query(1, ge=1, description="页码"),
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sort: SortType = Path(
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...,
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description="排名类型：performance 表现分 / score 计分成绩总分 "
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"**这个参数是本服务器额外添加的，不属于 v2 API 的一部分**",
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),
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current_user: User = Security(get_current_user, scopes=["public"]),
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):
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# 获取 Redis 连接和缓存服务
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redis = get_redis()
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cache_service = get_ranking_cache_service(redis)
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# 尝试从缓存获取数据
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cached_data = await cache_service.get_cached_country_ranking(ruleset, page)
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if cached_data:
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# 从缓存返回数据
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return CountryResponse(ranking=[CountryStatistics.model_validate(item) for item in cached_data])
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# 缓存未命中，从数据库查询
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response = CountryResponse(ranking=[])
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countries = (await session.exec(select(User.country_code).distinct())).all()
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for country in countries:
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if not country: # 跳过空的国家代码
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continue
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statistics = (
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await session.exec(
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select(UserStatistics).where(
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UserStatistics.mode == ruleset,
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UserStatistics.pp > 0,
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col(UserStatistics.user).has(country_code=country),
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col(UserStatistics.user).has(is_active=True),
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)
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)
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).all()
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if not statistics: # 跳过没有数据的国家
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continue
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pp = 0
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country_stats = CountryStatistics(
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code=country,
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active_users=0,
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play_count=0,
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ranked_score=0,
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performance=0,
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)
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for stat in statistics:
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country_stats.active_users += 1
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country_stats.play_count += stat.play_count
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country_stats.ranked_score += stat.ranked_score
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pp += stat.pp
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country_stats.performance = round(pp)
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response.ranking.append(country_stats)
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if sort == "performance":
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response.ranking.sort(key=lambda x: x.performance, reverse=True)
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else:
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response.ranking.sort(key=lambda x: x.ranked_score, reverse=True)
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# 分页处理
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page_size = 50
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start_idx = (page - 1) * page_size
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end_idx = start_idx + page_size
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# 获取当前页的数据
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current_page_data = response.ranking[start_idx:end_idx]
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# 异步缓存数据（不等待完成）
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cache_data = [item.model_dump() for item in current_page_data]
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# 创建后台任务来缓存数据
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background_tasks.add_task(
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cache_service.cache_country_ranking,
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ruleset,
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cache_data,
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page,
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ttl=settings.ranking_cache_expire_minutes * 60,
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)
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# 返回当前页的结果
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response.ranking = current_page_data
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return response
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class TopUsersResponse(BaseModel):
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ranking: list[UserStatisticsResp]
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total: int
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@router.get(
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"/rankings/{ruleset}/{sort}",
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response_model=TopUsersResponse,
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name="获取用户排行榜",
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description="获取在指定模式下的用户排行榜",
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tags=["排行榜"],
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)
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async def get_user_ranking(
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session: Database,
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background_tasks: BackgroundTasks,
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ruleset: GameMode = Path(..., description="指定 ruleset"),
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sort: SortType = Path(..., description="排名类型：performance 表现分 / score 计分成绩总分"),
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country: str | None = Query(None, description="国家代码"),
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page: int = Query(1, ge=1, description="页码"),
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current_user: User = Security(get_current_user, scopes=["public"]),
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):
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# 获取 Redis 连接和缓存服务
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redis = get_redis()
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cache_service = get_ranking_cache_service(redis)
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# 尝试从缓存获取数据
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cached_data = await cache_service.get_cached_ranking(ruleset, sort, country, page)
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cached_stats = await cache_service.get_cached_stats(ruleset, sort, country)
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if cached_data and cached_stats:
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# 从缓存返回数据
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return TopUsersResponse(
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ranking=[UserStatisticsResp.model_validate(item) for item in cached_data],
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total=cached_stats.get("total", 0),
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)
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# 缓存未命中，从数据库查询
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wheres = [
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col(UserStatistics.mode) == ruleset,
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col(UserStatistics.pp) > 0,
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col(UserStatistics.is_ranked).is_(True),
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]
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include = ["user"]
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if sort == "performance":
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order_by = col(UserStatistics.pp).desc()
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include.append("rank_change_since_30_days")
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else:
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order_by = col(UserStatistics.ranked_score).desc()
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if country:
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wheres.append(col(UserStatistics.user).has(country_code=country.upper()))
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# 查询总数
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total_count_result = await session.exec(select(func.count()).select_from(UserStatistics).where(*wheres))
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total_count = total_count_result.one()
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statistics_list = await session.exec(
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select(UserStatistics).where(*wheres).order_by(order_by).limit(50).offset(50 * (page - 1))
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)
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# 转换为响应格式
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ranking_data = []
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for statistics in statistics_list:
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user_stats_resp = await UserStatisticsResp.from_db(statistics, session, None, include)
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ranking_data.append(user_stats_resp)
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# 异步缓存数据（不等待完成）
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# 使用配置文件中的TTL设置
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cache_data = [item.model_dump() for item in ranking_data]
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stats_data = {"total": total_count}
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# 创建后台任务来缓存数据
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background_tasks.add_task(
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cache_service.cache_ranking,
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ruleset,
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sort,
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cache_data,
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country,
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page,
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ttl=settings.ranking_cache_expire_minutes * 60,
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)
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# 缓存统计信息
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background_tasks.add_task(
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cache_service.cache_stats,
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ruleset,
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sort,
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stats_data,
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country,
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ttl=settings.ranking_cache_expire_minutes * 60,
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)
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resp = TopUsersResponse(ranking=ranking_data, total=total_count)
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return resp
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