from ..models import User


class UserService:
    @staticmethod
    def update_user(user, data):
        if "email" in data:
            if (
                data["email"]
                and User.query.filter(
                    User.email == data["email"], User.id != user.id
                ).first()
            ):
                raise ValueError("邮箱已被使用")
            user.email = data["email"]

        if "avatar" in data:
            user.avatar = data["avatar"]

        user.save()
        return user