Automated Activity Audit Trail

// ActivityLogInterceptor: Pencatatan Mutasi Asinkron
@Injectable()
export class ActivityLogInterceptor implements NestInterceptor {
  constructor(@InjectModel(ActivityLog.name) private logModel: Model<ActivityLog>) {}

  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
    const req = context.switchToHttp().getRequest();
    const startTime = Date.now();

    return next.handle().pipe(
      tap({
        next: async () => {
          await this.logModel.create({
            userId: req.user?._id,
            userName: req.user?.fullName,
            userRole: req.user?.role,
            propertyId: req.params.propertyId || req.body.propertyId || null,
            action: `${req.method} ${req.route?.path || req.url}`,
            executionTimeMs: Date.now() - startTime,
            status: 'SUCCESS',
            ipAddress: req.ip,
            createdAt: new Date(),
          });
        },
      }),
    );
  }
}