@Injectable()

export class MyInterceptor implements NestInterceptor {

  intercept(

    context: ExecutionContext,

    next: CallHandler<any>,

  ): Observable<any> | Promise<Observable<any>> {

    const { data } = context.switchToHttp().getRequest().body as Message;

    const payload: InputData = JSON.parse(data.toString());

    if (payload.order.payment.type === 'MY_SPECIFIC_VALUE') {

      // How to return a success and abort the controller call?

      throw new HttpException(

        {

          message:

            'payment type is not supported, this message will be ignored.',

        },

        200,

      );

    }

    return next.handle();

  }

}

@Injectable()

export class MyInterceptor implements NestInterceptor {

  intercept(

    context: ExecutionContext,

    next: CallHandler<any>,

  ): Observable<any> | Promise<Observable<any>> {

    const { data } = context.switchToHttp().getRequest().body as Message;

    const payload: InputData = JSON.parse(data.toString());

    if (payload.order.payment.type === 'MY_SPECIFIC_VALUE') {

      // How to return a success and abort the controller call?

      const response = context.switchToHttp().getResponse<Response>();

      // depending on the underlying HTTP engine (express or fastify or other) this might need to be modified

      response.statusCode = 200;

      return of({

        message: 'payment type is not supported, this message will be ignored.' 

      });

    }

    return next.handle();

  }

}