from datetime import datetime
from app.extensions import db


class TimestampMixin:
    created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
    updated_at = db.Column(
        db.DateTime,
        nullable=False,
        default=datetime.utcnow,
        onupdate=datetime.utcnow,
    )


class SoftDeleteMixin:
    is_active = db.Column(db.Boolean, nullable=False, default=True)