app/models/notification.py

from datetime import datetime, timezone

from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, JSON
from app.db.base import Base


class Notification(Base):
    __tablename__ = "notifications"

    id = Column(Integer, primary_key=True, autoincrement=True)
    type = Column(String(50), nullable=False)  # checkout_shipping, checkout_payment, checkout_complete
    title = Column(String(255), nullable=False)
    message = Column(Text, nullable=True)
    data = Column(JSON, nullable=True)  # extra context (cart total, city, etc.)
    is_read = Column(Boolean, default=False, nullable=False)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), nullable=False)