feat(score): allow to recalculate all score pp

app/database/score.py

@@ -518,7 +518,7 @@ async def get_user_best_pp(
     session: AsyncSession,
     user: int,
     mode: GameMode,
-    limit: int = 200,
+    limit: int = 1000,
 ) -> Sequence[PPBestScore]:
     return (
         await session.exec(

app/fetcher/__init__.py

@@ -2,10 +2,10 @@ from __future__ import annotations
 
 from .beatmap import BeatmapFetcher
 from .beatmapset import BeatmapsetFetcher
-from .osu_dot_direct import OsuDotDirectFetcher
+from .osu_dot_direct import BeatmapRawFetcher
 
 
-class Fetcher(BeatmapFetcher, BeatmapsetFetcher, OsuDotDirectFetcher):
+class Fetcher(BeatmapFetcher, BeatmapsetFetcher, BeatmapRawFetcher):
     """A class that combines all fetchers for easy access."""
 
     pass

app/fetcher/osu_dot_direct.py

@@ -3,21 +3,38 @@ from __future__ import annotations
 from ._base import BaseFetcher
 
 from httpx import AsyncClient
+from httpx._models import Response
 from loguru import logger
 import redis.asyncio as redis
 
+urls = [
+    "https://osu.ppy.sh/osu/{beatmap_id}",
+    "https://osu.direct/api/osu/{beatmap_id}",
+    "https://catboy.best/osu/{beatmap_id}",
+]
 
-class OsuDotDirectFetcher(BaseFetcher):
+
+class BeatmapRawFetcher(BaseFetcher):
     async def get_beatmap_raw(self, beatmap_id: int) -> str:
-        logger.opt(colors=True).debug(
-            f"<blue>[OsuDotDirectFetcher]</blue> get_beatmap_raw: <y>{beatmap_id}</y>"
-        )
+        for url in urls:
+            req_url = url.format(beatmap_id=beatmap_id)
+            logger.opt(colors=True).debug(
+                f"<blue>[BeatmapRawFetcher]</blue> get_beatmap_raw: <y>{req_url}</y>"
+            )
+            resp = await self._request(req_url)
+            if resp.status_code == 429:
+                continue
+            elif resp.status_code < 400:
+                return resp.text
+            else:
+                resp.raise_for_status()
+
+    async def _request(self, url: str) -> Response:
         async with AsyncClient() as client:
             response = await client.get(
-                f"https://osu.direct/api/osu/{beatmap_id}/raw",
+                url,
             )
-            response.raise_for_status()
-            return response.text
+            return response
 
     async def get_or_fetch_beatmap_raw(
         self, redis: redis.Redis, beatmap_id: int

app/service/pp_recalculate.py

@@ -0,0 +1,131 @@
+from __future__ import annotations
+
+import asyncio
+import math
+
+from app.calculator import (
+    calculate_pp,
+    calculate_weighted_acc,
+    calculate_weighted_pp,
+    clamp,
+)
+from app.config import settings
+from app.database import UserStatistics
+from app.database.beatmap import Beatmap
+from app.database.pp_best_score import PPBestScore
+from app.database.score import Score
+from app.dependencies.database import engine, get_redis
+from app.dependencies.fetcher import get_fetcher
+from app.fetcher import Fetcher
+from app.log import logger
+from app.models.mods import mods_can_get_pp
+from app.models.score import MODE_TO_INT, GameMode
+
+from httpx import HTTPError
+from redis.asyncio import Redis
+from sqlmodel import col, delete, select
+from sqlmodel.ext.asyncio.session import AsyncSession
+
+
+async def recalculate_all_players_pp():
+    async with AsyncSession(engine, autoflush=False) as session:
+        fetcher = await get_fetcher()
+        redis = get_redis()
+        for mode in GameMode:
+            await session.execute(
+                delete(PPBestScore).where(col(PPBestScore.gamemode) == mode)
+            )
+            logger.info(f"Recalculating PP for mode: {mode}")
+            statistics_list = (
+                await session.exec(
+                    select(UserStatistics).where(UserStatistics.mode == mode)
+                )
+            ).all()
+            await asyncio.gather(
+                *[
+                    _recalculate_pp(statistics, session, fetcher, redis)
+                    for statistics in statistics_list
+                ]
+            )
+            await session.commit()
+            logger.success(
+                f"Recalculated PP for mode: {mode}, total: {len(statistics_list)}"
+            )
+
+
+async def _recalculate_pp(
+    statistics: UserStatistics, session: AsyncSession, fetcher: Fetcher, redis: Redis
+):
+    scores = (
+        await session.exec(
+            select(Score).where(
+                Score.user_id == statistics.user_id,
+                Score.gamemode == statistics.mode,
+                col(Score.passed).is_(True),
+            )
+        )
+    ).all()
+    score_list: list[tuple[float, float]] = []
+    prev: dict[int, PPBestScore] = {}
+    for score in scores:
+        time = 10
+        beatmap_id = score.beatmap_id
+        while time > 0:
+            try:
+                db_beatmap = await Beatmap.get_or_fetch(
+                    session, fetcher, bid=beatmap_id
+                )
+            except HTTPError:
+                time -= 1
+                await asyncio.sleep(2)
+                continue
+            ranked = (
+                db_beatmap.beatmap_status.has_pp()
+                | settings.enable_all_beatmap_leaderboard
+            )
+            if not ranked or not mods_can_get_pp(
+                MODE_TO_INT[score.gamemode], score.mods
+            ):
+                score.pp = 0
+                break
+            try:
+                beatmap_raw = await fetcher.get_or_fetch_beatmap_raw(redis, beatmap_id)
+                pp = await asyncio.get_event_loop().run_in_executor(
+                    None, calculate_pp, score, beatmap_raw
+                )
+                logger.info(f"{score.user_id} {score.id} pp: {pp}")
+                score.pp = pp
+                if score.beatmap_id not in prev or prev[score.beatmap_id].pp < pp:
+                    best_score = PPBestScore(
+                        user_id=statistics.user_id,
+                        beatmap_id=beatmap_id,
+                        acc=score.accuracy,
+                        score_id=score.id,
+                        pp=pp,
+                        gamemode=score.gamemode,
+                    )
+                    prev[score.beatmap_id] = best_score
+                score_list.append((score.pp, score.accuracy))
+                break
+            except HTTPError:
+                time -= 1
+                await asyncio.sleep(2)
+                continue
+        if time <= 0:
+            logger.error(f"Failed to fetch beatmap {beatmap_id} after 10 attempts")
+            score.pp = 0
+    # according to pp desc
+    score_list.sort(key=lambda x: x[0], reverse=True)
+    pp_sum = 0
+    acc_sum = 0
+    for i, s in enumerate(score_list):
+        pp_sum += calculate_weighted_pp(s[0], i)
+        acc_sum += calculate_weighted_acc(s[1], i)
+    if len(score_list):
+        # https://github.com/ppy/osu-queue-score-statistics/blob/c538ae/osu.Server.Queues.ScoreStatisticsProcessor/Helpers/UserTotalPerformanceAggregateHelper.cs#L41-L45
+        acc_sum *= 100 / (20 * (1 - math.pow(0.95, len(score_list))))
+    acc_sum = clamp(acc_sum, 0.0, 100.0)
+    statistics.pp = pp_sum
+    statistics.hit_accuracy = acc_sum
+    for best_score in prev.values():
+        session.add(best_score)

main.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from contextlib import asynccontextmanager
 from datetime import datetime
+import os
 
 from app.config import settings
 from app.dependencies.database import engine, redis_client
@@ -20,6 +21,7 @@ from app.router.redirect import redirect_router
 from app.service.calculate_all_user_rank import calculate_user_rank
 from app.service.daily_challenge import daily_challenge_job
 from app.service.osu_rx_statistics import create_rx_statistics
+from app.service.pp_recalculate import recalculate_all_players_pp
 
 from fastapi import FastAPI, HTTPException, Request
 from fastapi.exceptions import RequestValidationError
@@ -31,9 +33,11 @@ import sentry_sdk
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     # on startup
+    await get_fetcher()  # 初始化 fetcher
+    if os.environ.get("RECALCULATE_PP", "false").lower() == "true":
+        await recalculate_all_players_pp()
     await create_rx_statistics()
     await calculate_user_rank(True)
-    await get_fetcher()  # 初始化 fetcher
     init_scheduler()
     await daily_challenge_job()
     # on shutdown