from typing import Optional
from sqlalchemy.orm import Session
from mooc.crud.crud_base import CRUDBase
from mooc.models.music import MusicReply
from mooc.schemas.music import MusicReplyCreate, MusicReplyUpdate

class CRUDMusicReply(CRUDBase[MusicReply, MusicReplyCreate, MusicReplyUpdate]):
    def get_by_id(self, db: Session, *, id: int) -> Optional[MusicReply]:
        return self.get_by_field(db, "Id", id)  # 注意这里使用 "Id" 而不是 "id"

# 创建实例
music_reply = CRUDMusicReply(MusicReply)