Files
plantillas-proyectos/backend/api/v1/modules/a76/audit_log/events.py

139 lines
4.2 KiB
Python

"""
Audit Log Events
"""
from sqlalchemy import event, inspect
from sqlalchemy.orm import Session
from .services.service import AuditService
from .utils.serialization import serialize_for_json
from core.context import get_user_context
def register_audit_listeners(models_to_audit):
"""
Register SQLAlchemy listeners for given models
"""
for model in models_to_audit:
event.listen(model, "after_insert", after_insert_listener)
event.listen(model, "after_update", after_update_listener)
event.listen(model, "after_delete", after_delete_listener)
def _get_current_username():
try:
context = get_user_context()
if context:
# Token usually has 'preferred_username' or 'name' or 'sub'
return (
context.get("preferred_username")
or context.get("email")
or context.get("sub")
or "System"
)
except:
pass
return "System"
def after_insert_listener(mapper, connection, target):
"""
Listener for INSERT operations
"""
table_name = target.__tablename__
record_data = {c.name: getattr(target, c.name) for c in mapper.columns}
username = _get_current_username()
company_id = getattr(target, "company_id", None) or getattr(target, "id", None)
tenant_id = getattr(target, "tenant_id", None)
# Create a session bound to the connection
session = Session(bind=connection)
try:
AuditService.log_crud_operation(
db=session,
table_name=table_name,
operation_type="CREATE",
record_data=record_data,
username=username,
record_id=str(getattr(target, "id", "")),
company_id=company_id,
tenant_id=tenant_id,
)
except Exception as e:
print(f"Error logging insert: {e}")
finally:
session.close()
def after_update_listener(mapper, connection, target):
"""
Listener for UPDATE operations
"""
table_name = target.__tablename__
state = inspect(target)
changes = {}
old_values = {}
new_values = {}
for attr in state.attrs:
hist = attr.history
if hist.has_changes():
changes[attr.key] = hist.added[0] if hist.added else None
old_values[attr.key] = hist.deleted[0] if hist.deleted else None
new_values[attr.key] = hist.added[0] if hist.added else None
if not changes:
return
record_data = {c.name: getattr(target, c.name) for c in mapper.columns}
username = _get_current_username()
company_id = getattr(target, "company_id", None) or getattr(target, "id", None)
tenant_id = getattr(target, "tenant_id", None)
session = Session(bind=connection)
try:
AuditService.log_crud_operation(
db=session,
table_name=table_name,
operation_type="UPDATE",
record_data=record_data,
username=username,
record_id=str(getattr(target, "id", "")),
old_values=serialize_for_json(old_values),
new_values=serialize_for_json(new_values),
company_id=company_id,
tenant_id=tenant_id,
)
except Exception as e:
print(f"Error logging update: {e}")
finally:
session.close()
def after_delete_listener(mapper, connection, target):
"""
Listener for DELETE operations
"""
table_name = target.__tablename__
record_data = {c.name: getattr(target, c.name) for c in mapper.columns}
username = _get_current_username()
company_id = getattr(target, "company_id", None) or getattr(target, "id", None)
tenant_id = getattr(target, "tenant_id", None)
session = Session(bind=connection)
try:
AuditService.log_crud_operation(
db=session,
table_name=table_name,
operation_type="DELETE",
record_data=record_data,
username=username,
record_id=str(getattr(target, "id", "")),
company_id=company_id,
tenant_id=tenant_id,
)
except Exception as e:
print(f"Error logging delete: {e}")
finally:
session.close()