from sqlalchemy.ext.asyncio import AsyncAttrs
from sqlalchemy.orm import declarative_base, DeclarativeBase


class BaseModel(DeclarativeBase, AsyncAttrs):
    def __repr__(self):
        if hasattr(self, 'id'):
            return f'<{self.__class__.__name__} id={self.id}>'
        return super().__repr__()


metadata = BaseModel.metadata