node-red-contrib-mysensors/src/nodes/decode.ts

Mysensors related nodes, for decoding / encoding mysensors serial protocol and MQTT topic, and wrapping arbitrary messages into mysensors compatible messages

/* istanbul ignore file */

import { NodeAPI } from 'node-red';

import { MysensorsMqtt } from '../lib/decoder/mysensors-mqtt';
import { MysensorsSerial } from '../lib/decoder/mysensors-serial';
import { IMysensorsMsg, INodeMessage } from '../lib/mysensors-msg';
import { IDbConfigNode, IDecodeEncodeConf, IDecodeProperties } from './common';

export = (RED: NodeAPI) => {
    RED.nodes.registerType(
        'mysdecode',
        function (this: IDecodeEncodeConf, props: IDecodeProperties) {
            const config = props as IDecodeProperties;
            if (props.database) {
                this.database = RED.nodes.getNode(
                    props.database,
                ) as IDbConfigNode;
            }

            this.enrich = props.enrich;

            if (config.mqtt) {
                this.decoder = new MysensorsMqtt(
                    props.enrich,
                    this.database?.database,
                );
            } else {
                this.decoder = new MysensorsSerial(
                    props.enrich,
                    this.database?.database,
                );
            }

            RED.nodes.createNode(this, config);

            this.on('input', async (msg: IMysensorsMsg, send, done) => {
                const message = await this.decoder.decode(msg as INodeMessage);
                if (message) {
                    send(message);
                }
                done();
            });
        },
    );
}