from sqlalchemy import text

from .base import db


class TrackableMixin:
    created_at = db.Column(
        db.DateTime,
        nullable=False,
        server_default=text("TIMEZONE('utc', CURRENT_TIMESTAMP)"),
    )
    updated_at = db.Column(
        db.DateTime,
        nullable=False,
        server_default=text("TIMEZONE('utc', CURRENT_TIMESTAMP)"),
    )