from sqlalchemy import DateTime, func
from sqlalchemy.orm import Mapped, mapped_column


class TimestampMixin:
    created_at: Mapped[DateTime] = mapped_column(DateTime, server_default=func.now())
    updated_at: Mapped[DateTime] = mapped_column(
        DateTime,
        server_default=func.now(),
        onupdate=func.now(),
    )


class AuditMixin:
    deleted: Mapped[int] = mapped_column(default=0)