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crm-system/app/models/notification.py
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"""Notification model."""
from __future__ import annotations
import uuid
from datetime import datetime
from sqlalchemy import String, DateTime, ForeignKey, Text, func, Index
from sqlalchemy.dialects.postgresql import UUID as PGUUID
from sqlalchemy.orm import Mapped, mapped_column
from app.core.db import Base, TenantMixin
class Notification(Base, TenantMixin):
"""User notification entity."""
__tablename__ = "notifications"
__table_args__ = (
Index("ix_notifications_tenant_user_read", "tenant_id", "user_id", "read_at"),
)
id: Mapped[uuid.UUID] = mapped_column(
PGUUID(as_uuid=True), primary_key=True, default=uuid.uuid4
)
user_id: Mapped[uuid.UUID] = mapped_column(
PGUUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
)
type: Mapped[str] = mapped_column(String(20), nullable=False)
title: Mapped[str] = mapped_column(String(200), nullable=False)
body: Mapped[str | None] = mapped_column(Text, nullable=True)
read_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), nullable=False, server_default=func.now()
)