fix(leaderboard): fix failed & duplicated scores in leaderboard

app/database/score.py

@@ -14,10 +14,10 @@ from app.models.score import (
 )
 
 from .beatmap import Beatmap, BeatmapResp
-from .beatmapset import BeatmapsetResp
+from .beatmapset import Beatmapset, BeatmapsetResp
 
-from sqlalchemy import Column, DateTime
-from sqlalchemy.orm import joinedload
+from sqlalchemy import Column, ColumnExpressionArgument, DateTime
+from sqlalchemy.orm import aliased, joinedload
 from sqlmodel import (
     JSON,
     BigInteger,
@@ -31,6 +31,7 @@ from sqlmodel import (
     select,
 )
 from sqlmodel.ext.asyncio.session import AsyncSession
+from sqlmodel.sql._expression_select_cls import SelectOfScalar
 
 
 class ScoreBase(SQLModel):
@@ -97,6 +98,43 @@ class Score(ScoreBase, table=True):
     def is_perfect_combo(self) -> bool:
         return self.max_combo == self.beatmap.max_combo
 
+    @staticmethod
+    def select_clause() -> SelectOfScalar["Score"]:
+        return select(Score).options(
+            joinedload(Score.beatmap)  # pyright: ignore[reportArgumentType]
+            .joinedload(Beatmap.beatmapset)  # pyright: ignore[reportArgumentType]
+            .selectinload(
+                Beatmapset.beatmaps  # pyright: ignore[reportArgumentType]
+            ),
+            joinedload(Score.user).joinedload(User.lazer_profile),  # pyright: ignore[reportArgumentType]
+        )
+
+    @staticmethod
+    def select_clause_unique(
+        *where_clauses: ColumnExpressionArgument[bool] | bool,
+    ) -> SelectOfScalar["Score"]:
+        rownum = (
+            func.row_number()
+            .over(
+                partition_by=col(Score.user_id), order_by=col(Score.total_score).desc()
+            )
+            .label("rn")
+        )
+        subq = select(Score, rownum).where(*where_clauses).subquery()
+        best = aliased(Score, subq, adapt_on_names=True)
+        return (
+            select(best)
+            .where(subq.c.rn == 1)
+            .options(
+                joinedload(best.beatmap)  # pyright: ignore[reportArgumentType]
+                .joinedload(Beatmap.beatmapset)  # pyright: ignore[reportArgumentType]
+                .selectinload(
+                    Beatmapset.beatmaps  # pyright: ignore[reportArgumentType]
+                ),
+                joinedload(best.user).joinedload(User.lazer_profile),  # pyright: ignore[reportArgumentType]
+            )
+        )
+
 
 class ScoreResp(ScoreBase):
     id: int
@@ -300,6 +338,7 @@ async def get_score_position_by_id(
         Score.map_md5 == beatmap_md5,
         Score.id == score_id,
         Score.gamemode == mode,
+        col(Score.passed).is_(True),
         col(Beatmap.beatmap_status).in_(
             [
                 BeatmapRankStatus.RANKED,
@@ -316,13 +355,29 @@ async def get_score_position_by_id(
     rownum = (
         func.row_number()
         .over(
-            partition_by=Score.map_md5,
+            partition_by=[col(Score.user_id), col(Score.map_md5)],
             order_by=col(Score.total_score).desc(),
         )
-        .label("row_number")
+        .label("rownum")
     )
-    subq = select(Score, rownum).join(Beatmap).where(*where_clause).subquery()
-    stmt = select(subq.c.row_number).where(subq.c.id == score_id)
+    subq = (
+        select(Score.user_id, Score.id, Score.total_score, rownum)
+        .join(Beatmap)
+        .where(*where_clause)
+        .subquery()
+    )
+    best_scores = aliased(subq)
+    overall_rank = (
+        func.rank().over(order_by=best_scores.c.total_score.desc()).label("global_rank")
+    )
+    final_q = (
+        select(best_scores.c.id, overall_rank)
+        .select_from(best_scores)
+        .where(best_scores.c.rownum == 1)
+        .subquery()
+    )
+
+    stmt = select(final_q.c.global_rank).where(final_q.c.id == score_id)
     result = await session.exec(stmt)
     s = result.one_or_none()
     return s if s else 0

app/router/score.py

@@ -3,23 +3,26 @@ from __future__ import annotations
 import datetime
 
 from app.database import (
-    Beatmap,
     User as DBUser,
 )
-from app.database.beatmapset import Beatmapset
 from app.database.score import Score, ScoreResp
 from app.database.score_token import ScoreToken, ScoreTokenResp
-from app.database.user import User
 from app.dependencies.database import get_db
 from app.dependencies.user import get_current_user
-from app.models.score import INT_TO_MODE, HitResult, Rank, SoloScoreSubmissionInfo
+from app.models.score import (
+    INT_TO_MODE,
+    GameMode,
+    HitResult,
+    Rank,
+    SoloScoreSubmissionInfo,
+)
 
 from .api_router import router
 
 from fastapi import Depends, Form, HTTPException, Query
 from pydantic import BaseModel
 from sqlalchemy.orm import joinedload
-from sqlmodel import col, select
+from sqlmodel import col, select, true
 from sqlmodel.ext.asyncio.session import AsyncSession
 
 
@@ -34,7 +37,7 @@ class BeatmapScores(BaseModel):
 async def get_beatmap_scores(
     beatmap: int,
     legacy_only: bool = Query(None),  # TODO:加入对这个参数的查询
-    mode: str = Query(None),
+    mode: GameMode | None = Query(None),
     # mods: List[APIMod] = Query(None), # TODO:加入指定MOD的查询
     type: str = Query(None),
     current_user: DBUser = Depends(get_current_user),
@@ -47,23 +50,22 @@ async def get_beatmap_scores(
 
     all_scores = (
         await db.exec(
-            select(Score).where(Score.beatmap_id == beatmap)
-            # .where(Score.mods == mods if mods else True)
+            Score.select_clause_unique(
+                Score.beatmap_id == beatmap,
+                col(Score.passed).is_(True),
+                Score.gamemode == mode if mode is not None else true(),
+            )
         )
     ).all()
 
     user_score = (
         await db.exec(
-            select(Score)
-            .options(
-                joinedload(Score.beatmap)  # pyright: ignore[reportArgumentType]
-                .joinedload(Beatmap.beatmapset)  # pyright: ignore[reportArgumentType]
-                .selectinload(
-                    Beatmapset.beatmaps  # pyright: ignore[reportArgumentType]
-                )
+            Score.select_clause_unique(
+                Score.beatmap_id == beatmap,
+                Score.user_id == current_user.id,
+                col(Score.passed).is_(True),
+                Score.gamemode == mode if mode is not None else true(),
             )
-            .where(Score.beatmap_id == beatmap)
-            .where(Score.user_id == current_user.id)
         )
     ).first()
 
@@ -98,18 +100,13 @@ async def get_user_beatmap_score(
         )
     user_score = (
         await db.exec(
-            select(Score)
-            .options(
-                joinedload(Score.beatmap)  # pyright: ignore[reportArgumentType]
-                .joinedload(Beatmap.beatmapset)  # pyright: ignore[reportArgumentType]
-                .selectinload(
-                    Beatmapset.beatmaps  # pyright: ignore[reportArgumentType]
-                )
+            Score.select_clause()
+            .where(
+                Score.gamemode == mode if mode is not None else True,
+                Score.beatmap_id == beatmap,
+                Score.user_id == user,
             )
-            .where(Score.gamemode == mode if mode is not None else True)
-            .where(Score.beatmap_id == beatmap)
-            .where(Score.user_id == user)
-            .order_by(col(Score.classic_total_score).desc())
+            .order_by(col(Score.total_score).desc())
         )
     ).first()
 
@@ -143,17 +140,12 @@ async def get_user_all_beatmap_scores(
         )
     all_user_scores = (
         await db.exec(
-            select(Score)
-            .options(
-                joinedload(Score.beatmap)  # pyright: ignore[reportArgumentType]
-                .joinedload(Beatmap.beatmapset)  # pyright: ignore[reportArgumentType]
-                .selectinload(
-                    Beatmapset.beatmaps  # pyright: ignore[reportArgumentType]
-                )
+            Score.select_clause()
+            .where(
+                Score.gamemode == ruleset if ruleset is not None else True,
+                Score.beatmap_id == beatmap,
+                Score.user_id == user,
             )
-            .where(Score.gamemode == ruleset if ruleset is not None else True)
-            .where(Score.beatmap_id == beatmap)
-            .where(Score.user_id == user)
             .order_by(col(Score.classic_total_score).desc())
         )
     ).all()
@@ -255,16 +247,7 @@ async def submit_solo_score(
             score_token.score_id = score_id
             await db.commit()
             score = (
-                await db.exec(
-                    select(Score)
-                    .options(
-                        joinedload(Score.beatmap)  # pyright: ignore[reportArgumentType]
-                        .joinedload(Beatmap.beatmapset)  # pyright: ignore[reportArgumentType]
-                        .selectinload(Beatmapset.beatmaps),  # pyright: ignore[reportArgumentType]
-                        joinedload(Score.user).joinedload(User.lazer_profile),  # pyright: ignore[reportArgumentType]
-                    )
-                    .where(Score.id == score_id)
-                )
+                await db.exec(Score.select_clause().where(Score.id == score_id))
             ).first()
             assert score is not None
         return await ScoreResp.from_db(db, score)