klg-asutk-app/backend/app/models/audit_log.py

43 lines
1.7 KiB
Python

"""
Audit log for multi-tenant tracking: who changed what, when.
Part-M-RU M.A.305-306 compliance: all changes to airworthiness data must be logged.
"""
from datetime import datetime, timezone
from sqlalchemy import String, DateTime, Text, JSON
from sqlalchemy.orm import Mapped, mapped_column
from app.db.base import Base
from app.models.common import uuid4_str
class AuditLog(Base):
"""Immutable audit trail entry."""
__tablename__ = "audit_log"
id: Mapped[str] = mapped_column(String(36), primary_key=True, default=uuid4_str)
# Who
user_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
user_email: Mapped[str | None] = mapped_column(String(255), nullable=True)
user_role: Mapped[str | None] = mapped_column(String(64), nullable=True)
organization_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
# What
action: Mapped[str] = mapped_column(String(32), nullable=False, index=True, doc="create|update|delete|read|login|export")
entity_type: Mapped[str] = mapped_column(String(64), nullable=False, index=True, doc="Table name / entity type")
entity_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
# Details
changes: Mapped[dict | None] = mapped_column(JSON, nullable=True, doc="JSON diff: {field: {old, new}}")
description: Mapped[str | None] = mapped_column(Text, nullable=True)
ip_address: Mapped[str | None] = mapped_column(String(64), nullable=True)
# When
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
default=lambda: datetime.now(timezone.utc),
nullable=False,
index=True,
)