Files
laufschrift/routes/switch.js

75 lines
1.7 KiB
JavaScript

var express = require('express');
let router = express.Router();
let mqtt = require('mqtt');
let moment = require('moment');
let toSend = null;
let tio;
const brenndauer = 300; // 20sec Relais ON
// MQTT:
let connected = false;
let relais = 'MIST';
let client = mqtt.connect('mqtt://play.rexfue.de');
let offtime = "";
let retur = {};
client.on('connect', function() {
connected = true;
retur.connect = 'connected';
client.subscribe('stat/laufschrift/POWER');
})
client.on('message',function(topix,message) {
relais = message.toString();
console.log("Status = ",relais);
retur.relais = relais;
});
client.on('reconnect', function(){
retur.connect = 'reconnect';
});
// beim start mal den Zustand abfragen
doPublish("");
function doPublish(payload) {
// retur.relais='pending';
client.publish('cmnd/laufschrift/Power',payload);
if (payload == 'On') {
offtime = moment().add(brenndauer,'s').format("HH.mm");
tio =setTimeout(doPublish,brenndauer*1000,"Off");
retur.offtime = offtime;
} else if (payload == 'Off') {
clearTimeout(tio);
delete retur.offtime;
}
}
// end MQTT
/* GET switch data */
router.get('/:cmd', function(req, res, next) {
let cmd = req.params.cmd;
let wert = req.query.wert;
if (cmd == 'get_status') {
doPublish("");
} else if (cmd == 'switch_on') {
doPublish("On");
} else if (cmd == 'switch_off') {
doPublish("Off");
} else if (cmd == 'check') {
} else {
retur = { error: "invalid command"};
res.json(retur);
}
console.log("return: ",retur)
res.json(retur);
});
module.exports = router;