ongeki: proper handling of music ranking list

titles/ongeki/schema/score.py

@@ -4,11 +4,13 @@ from sqlalchemy import Column, Table, UniqueConstraint
 from sqlalchemy.dialects.mysql import insert
 from sqlalchemy.engine import Row
 from sqlalchemy.schema import ForeignKey
-from sqlalchemy.sql import select
+from sqlalchemy.sql import select, func
 from sqlalchemy.types import TIMESTAMP, Boolean, Float, Integer, String
 
 from core.data.schema import BaseData, metadata
 
+from datetime import datetime, timedelta
+
 score_best: Table = Table(
     "ongeki_score_best",
     metadata,
@@ -209,6 +211,18 @@ class OngekiScoreData(BaseData):
             return None
         return result.lastrowid
 
+    async def get_rankings(self, date: datetime) -> Optional[List[Row]]:
+        sql = (
+            select([func.count(playlog.c.id), playlog.c.musicId])
+                .where(playlog.c.playDate == date.date())
+                .group_by(playlog.c.musicId)
+                .order_by(func.count(playlog.c.id).desc())
+                .limit(10)
+        )
+        result = await self.execute(sql)
+        if result:
+            return result.fetchall()
+
     async def put_playlog(self, aime_id: int, playlog_data: Dict) -> Optional[int]:
         playlog_data["user"] = aime_id