from datetime import datetime, timezone

from sqlalchemy import Column, DateTime

from app.core.database import Base


class TimestampMixin:
    """Mixin to add created_at and updated_at timestamps to models"""

    created_at = Column(DateTime, default=datetime.now(timezone.utc), nullable=False)
    updated_at = Column(
        DateTime,
        default=datetime.now(timezone.utc),
        onupdate=datetime.now(timezone.utc),
        nullable=False,
    )