refactor(database): use a new 'On-Demand' design (#86)

Technical Details: https://blog.mxgame.top/2025/11/22/An-On-Demand-Design-Within-SQLModel/

app/router/v2/me.py

@@ -1,20 +1,29 @@
 from typing import Annotated
 
-from app.database import FavouriteBeatmapset, MeResp, User
+from app.database import FavouriteBeatmapset, User
+from app.database.user import UserModel
 from app.dependencies.database import Database
 from app.dependencies.user import UserAndToken, get_current_user, get_current_user_and_token
 from app.models.score import GameMode
+from app.utils import api_doc
 
 from .router import router
 
 from fastapi import Path, Security
 from fastapi.responses import RedirectResponse
+from pydantic import BaseModel
 from sqlmodel import select
 
+ME_INCLUDES = [*User.USER_INCLUDES, "session_verified", "session_verification_method"]
+
+
+class BeatmapsetIds(BaseModel):
+    beatmapset_ids: list[int]
+
 
 @router.get(
     "/me/beatmapset-favourites",
-    response_model=list[int],
+    response_model=BeatmapsetIds,
     name="获取当前用户收藏的谱面集 ID 列表",
     description="获取当前登录用户收藏的谱面集 ID 列表。",
     tags=["用户", "谱面集"],
@@ -26,37 +35,39 @@ async def get_user_beatmapset_favourites(
     beatmapset_ids = await session.exec(
         select(FavouriteBeatmapset.beatmapset_id).where(FavouriteBeatmapset.user_id == current_user.id)
     )
-    return beatmapset_ids.all()
+    return BeatmapsetIds(beatmapset_ids=list(beatmapset_ids.all()))
 
 
 @router.get(
     "/me/{ruleset}",
-    response_model=MeResp,
+    responses={200: api_doc("当前用户信息（含指定 ruleset 统计）", UserModel, ME_INCLUDES)},
     name="获取当前用户信息 (指定 ruleset)",
     description="获取当前登录用户信息 （含指定 ruleset 统计）。",
     tags=["用户"],
 )
 async def get_user_info_with_ruleset(
-    session: Database,
     ruleset: Annotated[GameMode, Path(description="指定 ruleset")],
     user_and_token: Annotated[UserAndToken, Security(get_current_user_and_token, scopes=["identify"])],
 ):
-    user_resp = await MeResp.from_db(user_and_token[0], session, ruleset, token_id=user_and_token[1].id)
+    user_resp = await UserModel.transform(
+        user_and_token[0], ruleset=ruleset, token_id=user_and_token[1].id, includes=ME_INCLUDES
+    )
     return user_resp
 
 
 @router.get(
     "/me/",
-    response_model=MeResp,
+    responses={200: api_doc("当前用户信息", UserModel, ME_INCLUDES)},
     name="获取当前用户信息",
     description="获取当前登录用户信息。",
     tags=["用户"],
 )
 async def get_user_info_default(
-    session: Database,
     user_and_token: Annotated[UserAndToken, Security(get_current_user_and_token, scopes=["identify"])],
 ):
-    user_resp = await MeResp.from_db(user_and_token[0], session, None, token_id=user_and_token[1].id)
+    user_resp = await UserModel.transform(
+        user_and_token[0], ruleset=None, token_id=user_and_token[1].id, includes=ME_INCLUDES
+    )
     return user_resp