from dataclasses import dataclass


@dataclass
class ServiceObj:
    event_id: str  # digest of the event where the object is created / modified


class BaseService:
    """
    Base class for services
    """

    def __init__(self, sheerka):
        self.sheerka = sheerka

    def initialize(self):
        """
        Adds cache or bind methods
        :return:
        """
        pass

    def restore_values(self, *args):
        """
        Use Variable Manager to restore the state of a service
        :param args:
        :return:
        """
        for prop_name in args:
            if (value := self.sheerka.load_var(self.NAME, prop_name)) is not None:
                setattr(self, prop_name, value)