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node-red-contrib-mi-devices/node-red-contrib-xiaomi-socket-wifi/xiaomi-socket-wifi.js
2017-07-11 22:58:15 +02:00

150 lines
4.9 KiB
JavaScript

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