from typing import Optional
from sqlalchemy.orm import Session
from mooc.crud.crud_base import CRUDBase
from mooc.models.custom import CustomReply
from mooc.schemas.custom import CustomReplyCreate, CustomReplyUpdate

class CRUDCustomReply(CRUDBase[CustomReply, CustomReplyCreate, CustomReplyUpdate]):
    def get_by_id(self, db: Session, *, id: int) -> Optional[CustomReply]:
        return self.get_by_field(db, "id", id)

# 创建实例
custom_reply = CRUDCustomReply(CustomReply)