node-red-contrib-broadlink-devices/index.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.toString('hex')]) {
            devices[dev.mac.toString('hex')] = dev;
        }
    });
    client.discover();
    // Poll for new clients every 5 seconds
    setInterval(() => { client.discover(); }, 5000);
    function discover(config) {
        RED.nodes.createNode(this, config);
        const node = this;
        node.on('input', (msg) => __awaiter(this, void 0, void 0, function* () {
            const list = [];
            for (const key of Object.keys(devices)) {
                list.push({
                    id: devices[key].mac.toString('hex'),
                    type: devices[key].type,
                    ip: devices[key].host.address,
                    mac: devices[key].mac.toString('hex').match(/(.{1,2})/g).join(':'),
                });
            }
            node.log(JSON.stringify(list));
            msg.payload = list;
            node.send(msg);
        }));
    }
    function getState(config) {
        RED.nodes.createNode(this, config);
        const node = this;
        node.on('input', (msg) => __awaiter(this, void 0, void 0, function* () {
            if (!msg.req.params || !msg.req.params.deviceId) {
                msg.payload = {
                    error: 'No device specified',
                };
                msg.status = 400;
                return node.send(msg);
            }
            if (!devices[msg.req.params.deviceId]) {
                msg.payload = {
                    error: 'Device not found',
                };
                msg.status = 404;
                return node.send(msg);
            }
            const device = devices[msg.req.params.deviceId];
            device.requestState();
            try {
                const result = yield new Bluebird((resolve, reject) => {
                    device
                        .on('state', (data) => resolve(data))
                        .on('error', (err) => reject(err));
                });
                msg.payload = result;
                return node.send(msg);
            }
            catch (e) {
                msg.payload = {
                    error: e.message,
                };
                msg.status = 500;
                return node.send(msg);
            }
        }));
    }
    function setState(config) {
        RED.nodes.createNode(this, config);
        const node = this;
        node.on('input', (msg) => __awaiter(this, void 0, void 0, function* () {
            if (!msg.req.params || !msg.req.params.deviceId) {
                msg.payload = {
                    error: 'No device specified',
                };
                msg.status = 400;
                return node.send(msg);
            }
            if (!devices[msg.req.params.deviceId]) {
                msg.payload = {
                    error: 'Device not found',
                };
                msg.status = 404;
                return node.send(msg);
            }
            const device = devices[msg.req.params.deviceId];
            device.setState(msg.payload);
            try {
                const result = yield new Bluebird((resolve, reject) => {
                    device
                        .on('state', (data) => resolve(data))
                        .on('error', (err) => reject(err));
                });
                msg.payload = result;
                return node.send(msg);
            }
            catch (e) {
                msg.payload = {
                    error: e.message,
                };
                msg.status = 500;
                return node.send(msg);
            }
        }));
    }
    function configuration(config) {
        RED.nodes.createNode(this, config);
        this.name = config.name;
        this.mapping = config.mapping;
    }
    function setConfig(n) {
        RED.nodes.createNode(this, n);
        const node = this;
        // Retrieve the config node
        const config = RED.nodes.getNode(n.config);
        node.on('input', (msg) => {
            if (!config) {
                msg.payload = {
                    error: 'Device not found',
                };
                msg.status = 404;
                return node.send(msg);
            }
            const mapping = JSON.parse(config.mapping);
            if (!mapping.devices[msg.req.params.deviceId]) {
                msg.payload = {
                    error: 'Device not found',
                };
                msg.status = 404;
                return node.send(msg);
            }
            msg.payload = mapping.devices[msg.req.params.deviceId];
            return node.send(msg);
        });
    }
    RED.nodes.registerType('broadlink-get-state', getState);
    RED.nodes.registerType('broadlink-set-state', setState);
    RED.nodes.registerType('broadlink-discover', discover);
    RED.nodes.registerType('broadlink-configuration', configuration);
    RED.nodes.registerType('broadlink-set-configuration', setConfig);
    RED.httpAdmin.get('/broadlink/discover', RED.auth.needsPermission('broadlink.read'), (req, res) => {
        const list = [];
        for (const key of Object.keys(devices)) {
            list.push({
                id: devices[key].mac,
                type: devices[key].type,
                ip: devices[key].host.address,
                mac: devices[key].mac,
            });
        }
        res.send(list);
    });
};
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