160 lines
6.6 KiB
JavaScript
160 lines
6.6 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var SunCalc = require('suncalc');
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function TimeswitchNode(n) {
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RED.nodes.createNode(this, n);
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this.lat = n.lat;
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this.lon = n.lon;
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this.start = n.start || "sunrise";
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this.end = n.end || "sunset";
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this.startt = n.starttime;
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this.endt = n.endtime;
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this.duskoff = n.duskoff;
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this.dawnoff = n.dawnoff;
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this.mytopic = n.mytopic;
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this.sun = n.sun;
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this.mon = n.mon;
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this.tue = n.tue;
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this.wed = n.wed;
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this.thu = n.thu;
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this.fri = n.fri;
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this.sat = n.sat;
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this.jan = n.jan;
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this.feb = n.feb;
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this.mar = n.mar;
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this.apr = n.apr;
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this.may = n.may;
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this.jun = n.jun;
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this.jul = n.jul;
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this.aug = n.aug;
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this.sep = n.sep;
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this.oct = n.oct;
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this.nov = n.nov;
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this.dec = n.dec;
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var node = this;
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var ison = 0;
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var newendtime = 0;
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this.on("input", function(msg2) {
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if (msg2.payload === "reset") { ison = 0; }
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var now = new Date();
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var nowoff = -now.getTimezoneOffset() * 60000;
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var nowMillis = Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(), now.getUTCHours(), now.getUTCMinutes(), 0);
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nowMillis += nowoff;
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var midnightMillis = Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(), 0, 0);
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var today = Math.round((nowMillis - midnightMillis) / 60000) % 1440;
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var starttime = Number(node.startt);
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var endtime = Number(node.endt);
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if ((starttime >= 5000) || (endtime == 5000) || (endtime == 6000)) {
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var times = SunCalc.getTimes(now, node.lat, node.lon);
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var startMillis = Date.UTC(times[node.start].getUTCFullYear(), times[node.start].getUTCMonth(), times[node.start].getUTCDate(), times[node.start].getUTCHours(), times[node.start].getUTCMinutes());
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var endMillis = Date.UTC(times[node.end].getUTCFullYear(), times[node.end].getUTCMonth(), times[node.end].getUTCDate(), times[node.end].getUTCHours(), times[node.end].getUTCMinutes());
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startMillis += nowoff;
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endMillis += nowoff;
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var dawn = ((startMillis - midnightMillis) / 60000) + Number(node.dawnoff);
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var dusk = ((endMillis - midnightMillis) / 60000) + Number(node.duskoff);
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if (starttime == 5000) { starttime = dawn; }
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if (starttime == 6000) { starttime = dusk; }
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if (endtime == 5000) { endtime = dawn; }
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if (endtime == 6000) { endtime = dusk; }
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if (RED.settings.verbose) { node.log("Dawn " + parseInt(dawn / 60) + ":" + dawn % 60 + " - Dusk " + parseInt(dusk / 60) + ":" + dusk % 60); }
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}
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var proceed = 0;
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switch (now.getDay()) {
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case 0 : { if (node.sun) { proceed++; } break; }
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case 1 : { if (node.mon) { proceed++; } break; }
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case 2 : { if (node.tue) { proceed++; } break; }
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case 3 : { if (node.wed) { proceed++; } break; }
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case 4 : { if (node.thu) { proceed++; } break; }
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case 5 : { if (node.fri) { proceed++; } break; }
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case 6 : { if (node.sat) { proceed++; } break; }
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}
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if (proceed) {
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switch (now.getMonth()) {
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case 0 : { if (node.jan) { proceed++; } break; }
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case 1 : { if (node.feb) { proceed++; } break; }
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case 2 : { if (node.mar) { proceed++; } break; }
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case 3 : { if (node.apr) { proceed++; } break; }
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case 4 : { if (node.may) { proceed++; } break; }
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case 5 : { if (node.jun) { proceed++; } break; }
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case 6 : { if (node.jul) { proceed++; } break; }
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case 7 : { if (node.aug) { proceed++; } break; }
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case 8 : { if (node.sep) { proceed++; } break; }
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case 9 : { if (node.oct) { proceed++; } break; }
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case 10: { if (node.nov) { proceed++; } break; }
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case 11: { if (node.dec) { proceed++; } break; }
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}
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}
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if (proceed >= 2) { proceed = 1; }
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else { proceed = 0; }
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newendtime = endtime;
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if (endtime > 10000) { newendtime = starttime + (endtime - 10000); }
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if (proceed) { // have to handle midnight wrap
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if (starttime <= newendtime) {
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if ((today >= starttime) && (today <= newendtime)) { proceed++; }
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}
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else {
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if ((today >= starttime) || (today <= newendtime)) { proceed++; }
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}
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}
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if (proceed >= 2) {
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var duration = newendtime - today;
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if (today > newendtime) { duration += 1440; }
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//node.status({fill:"yellow",shape:"dot",text:"on for " + duration + " mins"});
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node.status({fill:"yellow", shape:"dot", text:"on until " + parseInt(newendtime / 60) + ":" + ("0" + newendtime % 60).substr(-2)});
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}
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//else { node.status({fill:"blue",shape:"dot",text:"off"}); }
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else { node.status({fill:"blue", shape:"dot", text:"off until " + parseInt(starttime / 60) + ":" + ("0" + starttime % 60).substr(-2)}); }
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var msg = {};
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if (node.mytopic) { msg.topic = node.mytopic; }
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msg.payload = (proceed >= 2) ? 1 : 0;
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node.send(msg);
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});
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var tock = setTimeout(function() {
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node.emit("input", {});
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}, 2000); // wait 2 secs before starting to let things settle down – e.g. UI connect
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var tick = setInterval(function() {
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node.emit("input", {});
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}, 60000); // trigger every 60 secs
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this.on("close", function() {
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if (tock) { clearTimeout(tock); }
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if (tick) { clearInterval(tick); }
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});
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}
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RED.httpAdmin.post("/timeswitch/:id", RED.auth.needsPermission("timeswitch.write"), function(req, res) {
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var node = RED.nodes.getNode(req.params.id);
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if (node != null) {
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try {
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node.emit("input", {payload:"reset"});
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res.sendStatus(200);
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}
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catch (err) {
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res.sendStatus(500);
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node.error("Inject failed:" + err);
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}
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}
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else {
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res.sendStatus(404);
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}
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});
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RED.nodes.registerType("timeswitch", TimeswitchNode);
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};
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