from .models import User from .repositories import UserRepository class UserService: def __init__(self, user_repository: UserRepository) -> None: self._repository: UserRepository = user_repository async def get_user_by_id(self, user_id: int) -> User: """从数据库获取用户信息 :param user_id:用户ID :return: User """ return await self._repository.get_by_user_id(user_id) async def update_user(self, user: User) -> User: return await self._repository.update_user(user) async def add_user(self, user: User) -> User: return await self._repository.update_user(user)