node-red-contrib-esplogin/esplogin.js

This node is specifically designed to work with ESP-GO home control software - link and info at https://tech.scargill.net

/**
*	Mostly - apart from the Sunrise module on which this depends
*	this is copyright (c) Peter Scargill - but as I've had so
*	many ideas from others - consider it free to use for whatever
*	purpose you like. If you redesign it please remember to drop
*	my name and link in there somewhere. http://tech.scargill.net
*   This software puts out a message suitable for MQTT use depending 
*   on whether a specific MQTT unit inputs a message or a daily update 
*   occurs - daily updates send message which will go to ALL units.
*   specific inputs result in a message being returned to a specific 
*   unit. The information includes the time.
 **/

module.exports = function(RED) {
    "use strict";
    var SunCalc = require('suncalc');

    function esploginNode(n) {
        RED.nodes.createNode(this,n);
        var node = this;
		
        node.lat = n.lat;
        node.lon = n.lon;
        node.start = n.start;
        node.end = n.end;
		node.duskOff=n.duskoff;
		node.dawnOff=n.dawnoff;

        node.on("input", function (inmsg) {
            var now = new Date();
			var nowOff=-now.getTimezoneOffset()*60000;
			var times = SunCalc.getTimes(now, node.lat, node.lon);
			var nowMillis = Date.UTC(now.getUTCFullYear(),now.getUTCMonth(),now.getUTCDate(),now.getUTCHours(),now.getUTCMinutes(), 1);
			var accurateMillis = Date.UTC(now.getUTCFullYear(),now.getUTCMonth(),now.getUTCDate(),now.getUTCHours(),now.getUTCMinutes(), now.getUTCSeconds());
			var midnightMillis = Date.UTC(now.getUTCFullYear(),now.getUTCMonth(),now.getUTCDate(),0,1);
			var startMillis = Date.UTC(times[node.start].getUTCFullYear(),times[node.start].getUTCMonth(),times[node.start].getUTCDate(),times[node.start].getUTCHours(),times[node.start].getUTCMinutes());
			var endMillis = Date.UTC(times[node.end].getUTCFullYear(),times[node.end].getUTCMonth(),times[node.end].getUTCDate(),times[node.end].getUTCHours(),times[node.end].getUTCMinutes());
	 
			var outmsg = { payload:"", topic:""};
			
			nowMillis+=nowOff;
			accurateMillis+=nowOff;
			startMillis+=nowOff;
			endMillis+=nowOff;
			
			var dawn = (((startMillis - midnightMillis)/60000)+Number(node.dawnOff))%1440;
			var dusk = (((endMillis - midnightMillis)/60000)+Number(node.duskOff))%1440;
			var today = (Math.round((nowMillis - midnightMillis)/60000))%1440;

			var m=inmsg.payload;

			var newMsg = { topic:"", payload:""};
			var newMsg2 = { topic:"", payload:""};
			var newMsg3 = { topic:"", payload:""};
			var newMsg4 = { topic:"", payload:""};
			var newMsg5 = { topic:"", payload:""};

			if ((inmsg.topic!="Xstartup") && (inmsg.topic!="X12hours"))
			{
				try {
				var fred;
				fred=JSON.parse(m);
				} catch  (e) {  node.error("Bad JSON:"+m) ; return ([null,null,null,null]); }
				outmsg.topic = fred.id +"/toesp";
				newMsg5.topic = fred.id + "/toesp";
			}
			

			outmsg.payload = '{time:' + accurateMillis/1000 + ';dusk:' + dusk+ ';dawn:' + dawn + '}';
			newMsg5.payload = '{"time":' + accurateMillis/1000 + ',"dusk":' + dusk+ ',"dawn":' + dawn + '}';

			if (inmsg.topic=="X12hours") 
				{  
				outmsg.topic='toesp'; 
				newMsg5.topic='toesp'; 
				node.send([outmsg,null,null,null,newMsg5]);  
				node.status({fill:"blue",shape:"dot",text:"12hr updated"});
				}  
			else if (inmsg.topic=="Xstartup") 
				{ 
				outmsg.topic='toesp';
				newMsg5.topic='toesp';  
				node.send([outmsg,null,null,null,newMsg5]);  
				node.status({fill:"yellow",shape:"dot",text:"Started"});
				} 
			else {	
			    node.status({fill:"green",shape:"dot",text:"last unit: "+ fred.id});
				newMsg.topic = "insert into device_list(device_name, device_description, device_attribute,logins,last_update,creation_date)  values('" + fred.id +"','" + fred.desc + "','" + fred.attribute + "',1,NOW(),NOW())  on duplicate key update logins = logins+1, device_description='" + fred.desc + "',  device_attribute='" + fred.attribute + "', last_update=NOW()";
				
				newMsg2.payload="Logging in device " + fred.id + " at " +("0" + now.getHours()).slice(-2) + ':' +("0" + now.getMinutes()).slice(-2) + ':' + ("0" + now.getSeconds()).slice(-2) + ' ' + ("0" + (now.getDate())).slice(-2) + '-' +  ("0" + (now.getMonth() + 1)).slice(-2) + '-' + now.getFullYear();
				
				// in the case of mysql - send out the one message... for SQLite - different syntax so send it out in 2 halves... the conditional insert then the increment
				newMsg3.topic = "insert or ignore into device_list(device_name, device_description, device_attribute,logins,last_update,creation_date)  values('" + fred.id +"','" + fred.desc + "','" + fred.attribute + "',1,(datetime('now','localtime')),(datetime('now','localtime')))";		
				newMsg4.topic = "update device_list set logins = logins+1, last_update=(datetime('now','localtime')) where device_name='" + fred.id +"'";
				node.send([outmsg,newMsg,newMsg2,[newMsg3,newMsg4],newMsg5]);
				}
});

	var tock = setTimeout(function() {
	var msg = { payload:'{}', topic:"Xstartup"};
	node.emit("input",msg);
	
	},5000); // wait 5 secs before starting to let things settle down - e.g. UI connect

	var tick = setInterval(function() {
	var msg = { payload:'{}', topic:"X12hours"};
	node.emit("input",msg);
	},60000*60*12); // trigger every every 12 hours...


    node.on("close", function() {
        if (tock) { clearTimeout(tock); }
        if (tick) { clearInterval(tick); }
    });

    }
    RED.nodes.registerType("esplogin",esploginNode);
}