fix Failed to refresh user cache after score submit

app/database/score.py

@@ -45,7 +45,7 @@ from .relationship import (
 )
 from .score_token import ScoreToken
 
-from pydantic import field_validator
+from pydantic import field_validator, field_serializer
 from redis.asyncio import Redis
 from sqlalchemy import Boolean, Column, ColumnExpressionArgument, DateTime
 from sqlalchemy.ext.asyncio import AsyncAttrs
@@ -120,6 +120,29 @@ class ScoreBase(AsyncAttrs, SQLModel, UTCBaseModel):
             return converted
         return v
 
+    @field_serializer("maximum_statistics", when_used="json")
+    def serialize_maximum_statistics(self, v):
+        """序列化 maximum_statistics 字段，确保枚举值正确转换为字符串"""
+        if isinstance(v, dict):
+            serialized = {}
+            for key, value in v.items():
+                if hasattr(key, 'value'):
+                    # 如果是枚举，使用其值
+                    serialized[key.value] = value
+                else:
+                    # 否则直接使用键
+                    serialized[str(key)] = value
+            return serialized
+        return v
+
+    @field_serializer("rank", when_used="json")
+    def serialize_rank(self, v):
+        """序列化等级，确保枚举值正确转换为字符串"""
+        if hasattr(v, 'value'):
+            return v.value
+        return str(v)
+        return v
+
     # optional
     # TODO: current_user_attributes
 
@@ -163,6 +186,13 @@ class Score(ScoreBase, table=True):
                 return GameMode.OSU
         return v
 
+    @field_serializer("gamemode", when_used="json")
+    def serialize_gamemode(self, v):
+        """序列化游戏模式，确保枚举值正确转换为字符串"""
+        if hasattr(v, 'value'):
+            return v.value
+        return str(v)
+
     # optional
     beatmap: Beatmap = Relationship()
     user: User = Relationship(sa_relationship_kwargs={"lazy": "joined"})
@@ -246,6 +276,28 @@ class ScoreResp(ScoreBase):
             return converted
         return v
 
+    @field_serializer("statistics", "maximum_statistics", when_used="json")
+    def serialize_statistics_fields(self, v):
+        """序列化统计字段，确保枚举值正确转换为字符串"""
+        if isinstance(v, dict):
+            serialized = {}
+            for key, value in v.items():
+                if hasattr(key, 'value'):
+                    # 如果是枚举，使用其值
+                    serialized[key.value] = value
+                else:
+                    # 否则直接使用键
+                    serialized[str(key)] = value
+            return serialized
+        return v
+
+    @field_serializer("gamemode", when_used="json")
+    def serialize_gamemode(self, v):
+        """序列化游戏模式，确保枚举值正确转换为字符串"""
+        if hasattr(v, 'value'):
+            return v.value
+        return str(v)
+
     @classmethod
     async def from_db(cls, session: AsyncSession, score: Score) -> "ScoreResp":
         s = cls.model_validate(score.model_dump())

app/models/score.py

@@ -7,7 +7,7 @@ from app.config import settings
 
 from .mods import API_MODS, APIMod
 
-from pydantic import BaseModel, Field, ValidationInfo, field_validator
+from pydantic import BaseModel, Field, ValidationInfo, field_validator, field_serializer
 
 if TYPE_CHECKING:
     import rosu_pp_py as rosu
@@ -206,6 +206,28 @@ class SoloScoreSubmissionInfo(BaseModel):
             incompatible_mods.update(setting_mods["IncompatibleMods"])
         return mods
 
+    @field_serializer("statistics", "maximum_statistics", when_used="json")
+    def serialize_statistics(self, v):
+        """序列化统计字段，确保枚举值正确转换为字符串"""
+        if isinstance(v, dict):
+            serialized = {}
+            for key, value in v.items():
+                if hasattr(key, 'value'):
+                    # 如果是枚举，使用其值
+                    serialized[key.value] = value
+                else:
+                    # 否则直接使用键
+                    serialized[str(key)] = value
+            return serialized
+        return v
+
+    @field_serializer("rank", when_used="json")
+    def serialize_rank(self, v):
+        """序列化等级，确保枚举值正确转换为字符串"""
+        if hasattr(v, 'value'):
+            return v.value
+        return str(v)
+
 
 class LegacyReplaySoloScoreInfo(TypedDict):
     online_id: int

app/router/v2/score.py

@@ -34,7 +34,7 @@ from app.database.score import (
     process_score,
     process_user,
 )
-from app.dependencies.database import Database, get_redis, with_db
+from app.dependencies.database import Database, get_redis
 from app.dependencies.fetcher import get_fetcher
 from app.dependencies.storage import get_storage_service
 from app.dependencies.user import get_client_user, get_current_user
@@ -75,8 +75,14 @@ READ_SCORE_TIMEOUT = 10
 
 
 async def process_user_achievement(score_id: int):
-    async with with_db() as session:
+    from sqlmodel.ext.asyncio.session import AsyncSession
+    from app.dependencies.database import engine
+    
+    session = AsyncSession(engine)
+    try:
         await process_achievements(session, get_redis(), score_id)
+    finally:
+        await session.close()
 
 
 async def submit_score(
@@ -184,20 +190,37 @@ async def submit_score(
         db.add(rank_event)
         await db.commit()
 
-    # 成绩提交后刷新用户缓存
-    try:
-        user_cache_service = get_user_cache_service(redis)
-        if current_user.id is not None:
-            await user_cache_service.refresh_user_cache_on_score_submit(
-                db, current_user.id, score.gamemode
-            )
-    except Exception as e:
-        logger.error(f"Failed to refresh user cache after score submit: {e}")
-
+    # 成绩提交后刷新用户缓存 - 移至后台任务避免阻塞主流程
+    if current_user.id is not None:
+        background_task.add_task(
+            _refresh_user_cache_background,
+            redis,
+            current_user.id,
+            score.gamemode
+        )
     background_task.add_task(process_user_achievement, resp.id)
     return resp
 
 
+async def _refresh_user_cache_background(redis: Redis, user_id: int, mode: GameMode):
+    """后台任务：刷新用户缓存"""
+    try:
+        from sqlmodel.ext.asyncio.session import AsyncSession
+        from app.dependencies.database import engine
+        
+        user_cache_service = get_user_cache_service(redis)
+        # 创建独立的数据库会话
+        session = AsyncSession(engine)
+        try:
+            await user_cache_service.refresh_user_cache_on_score_submit(
+                session, user_id, mode
+            )
+        finally:
+            await session.close()
+    except Exception as e:
+        logger.error(f"Failed to refresh user cache after score submit: {e}")
+
+
 async def _preload_beatmap_for_pp_calculation(beatmap_id: int) -> None:
     """
     预缓存beatmap文件以加速PP计算