from typing import Any

from sqlalchemy.ext.declarative import declared_attr
from sqlalchemy.orm import DeclarativeBase


class Base(DeclarativeBase):
    """
    Base class for all database models.
    """
    
    id: Any
    
    @declared_attr
    def __tablename__(cls) -> str:
        """
        Generate __tablename__ automatically from the class name.
        """
        return cls.__name__.lower()