node-red-contrib-broadlink-devices/mp1.js

Broadlink Node-RED control module

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const Bluebird = require("bluebird");
const broadlink_1 = require("broadlink");
module.exports = (RED) => {
    const client = new broadlink_1.Broadlink();
    const devices = {};
    client.on('deviceReady', (dev) => {
        if (!devices[dev.mac]) {
            devices[dev.mac] = dev;
        }
    });
    client.discover();
    // Poll for new clients every 5 seconds
    setInterval(() => { client.discover(); }, 5000);
    function configNode(n) {
        RED.nodes.createNode(this, n);
        this.name = n.name;
        this.mac = n.mac;
        this.s1name = n.s1name;
        this.s2name = n.s2name;
        this.s3name = n.s3name;
        this.s4name = n.s4name;
    }
    function deviceNode(n) {
        RED.nodes.createNode(this, n);
        const node = this;
        const conf = RED.nodes.getNode(n.device);
        // console.dir(conf);
        this.on('input', (msg) => __awaiter(this, void 0, void 0, function* () {
            const dev = devices[conf.mac];
            if (!dev) {
                msg.status = 404;
                msg.payload = { error: `Device requested: ${conf.mac} not found or not available.` };
                node.send(msg);
            }
            let result;
            switch (msg.payload.action) {
                case 'getState': {
                    dev.requestState();
                    let stateCallback;
                    let errorCallback;
                    result = yield new Bluebird((resolve, reject) => {
                        stateCallback = (state) => resolve(state);
                        errorCallback = (err) => reject(err);
                        dev.once('state', stateCallback)
                            .once('error', errorCallback);
                    });
                    dev.removeListener('state', stateCallback);
                    dev.removeListener('error', errorCallback);
                    break;
                }
                case 'setState': {
                    let stateCount = Object.keys(msg.payload.state).length;
                    Object.keys(msg.payload.state).map((key) => {
                        dev.setState({ socketId: key, status: msg.payload.state[key] });
                    });
                    let stateCallback;
                    let errorCallback;
                    result = yield new Bluebird((resolve, reject) => {
                        stateCallback = (state) => {
                            stateCount--;
                            if (stateCount === 0) {
                                resolve(state);
                            }
                        };
                        errorCallback = ((err) => reject(err));
                        dev.on('state', stateCallback)
                            .once('error', errorCallback);
                    }).then((state) => {
                        dev.removeListener('state', stateCallback);
                        dev.removeListener('error', errorCallback);
                        return state;
                    });
                    msg.statusCode = 201;
                    break;
                }
                default: {
                    result = { error: 'Device not found' };
                }
            }
            result.name = conf.name;
            result.mapping = {
                s1: conf.s1name,
                s2: conf.s2name,
                s3: conf.s3name,
                s4: conf.s4name,
            };
            msg.payload = result;
            node.send(msg);
        }));
    }
    RED.nodes.registerType('MP1', deviceNode);
    RED.nodes.registerType('broadlink-mp1-config', configNode);
};
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