150 lines
4.9 KiB
JavaScript
150 lines
4.9 KiB
JavaScript
module.exports = function(RED) {
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"use strict";
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var mustache = require("mustache");
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var crypto = require("crypto");
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var miio = require("miio");
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function XiaomiPlugWifiNode(config) {
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RED.nodes.createNode(this, config);
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this.ip = config.ip;
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this.output = config.output;
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this.onmsg = config.onmsg;
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this.offmsg = config.offmsg;
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var node = this;
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var connectionState = "timeout";
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var plug = {};
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var retryTimer;
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node.status({fill:"yellow", shape:"dot", text:"connecting"});
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miio.device({ address: node.ip })
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.then(function(result) {
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if (result.type === "power-plug") {
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plug = result;
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node.status({fill:"green", shape:"dot", text:"connected"});
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connectionState = "connected";
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setTimeout(function() {
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if (result.power()['0']) {
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setState("on");
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} else {
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setState("off");
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}
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}, 1500);
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watchdog();
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plug.on('propertyChanged', function(e) {
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if (e.property === "power") {
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if (e.value['0']) {
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setState("on");
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} else {
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setState("off");
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}
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}
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});
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}
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})
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.catch(function(error) {
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node.status({fill:"red", shape:"dot", text:"time out"});
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connectionState = "reconnecting";
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watchdog();
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});
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node.on('input', function(msg) {
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var payload = msg.payload;
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if (payload == 'on') {
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if (connectionState === "connected") {
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plug.setPower(true);
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}
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}
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if (payload == 'off') {
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if (connectionState === "connected") {
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plug.setPower(false);
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}
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}
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});
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this.on('close', function(done) {
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if (retryTimer) {
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clearTimeout(retryTimer);
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}
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if (plug) {
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plug.destroy();
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}
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done();
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});
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var setState = function(state) {
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var status = null;
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var info = {"payload": {
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"id": plug.id,
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"type": plug.type,
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"model": plug.model,
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"capabilities": plug.capabilities,
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"address": plug.address,
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"port": plug.port,
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"power": plug.power()
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}};
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if (state === "on") {
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node.status({fill:"green", shape:"dot", text:"on"});
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status = {"payload": mustache.render(node.onmsg, info.payload)}
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}
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if (state === "off") {
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node.status({fill:"red", shape:"dot", text:"off"});
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status = {"payload": mustache.render(node.offmsg, info.payload)}
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}
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if (node.output == 0) {
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status = info;
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} else if (node.output == "1") {
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status = {"payload": state}
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} else if (node.output == "2") {
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// do nothing, just send status parsed with mustache
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}
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node.send([status]);
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};
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var watchdog = function() {
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var interval = 10;
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retryTimer = setInterval(function() {
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if (interval == 0) {
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miio.device({address: node.ip})
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.then(function (result) {
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if (connectionState === "reconnecting") {
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node.status({fill:"green", shape:"dot", text:"connected"});
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connectionState = "connected";
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setTimeout(function() {
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if (result.power()['0']) {
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setState("on");
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} else {
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setState("off");
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}
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}, 1500);
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}
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})
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.catch(function (error) {
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connectionState = "reconnecting";
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})
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interval = 10;
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} else {
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interval--;
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if (connectionState === "reconnecting") {
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node.status({fill: "red", shape: "dot", text: "retrying in " + interval + " sec."});
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}
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}
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}, 1000);
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}
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}
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RED.nodes.registerType("xiaomi-plug-wifi", XiaomiPlugWifiNode);
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}
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