71 lines
3.4 KiB
JavaScript
71 lines
3.4 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 SunNode(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;
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this.end = n.end;
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this.soff = (n.soff || 0) * 60000; // minutes
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this.eoff = (n.eoff || 0) * 60000; // minutes
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var node = this;
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var oldval = null;
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var tick = function() {
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var now = new Date();
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var times = SunCalc.getTimes(now, node.lat, node.lon);
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var nowMillis = Date.UTC(now.getUTCFullYear(),now.getUTCMonth(),now.getUTCDate(),now.getUTCHours(),now.getUTCMinutes());
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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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var e1 = nowMillis - startMillis - node.soff;
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var e2 = nowMillis - endMillis - node.eoff;
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var s1 = new Date(startMillis + node.soff);
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var s2 = new Date(endMillis + node.eoff);
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if (isNaN(e1)) { e1 = 1; }
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if (isNaN(e2)) { e2 = -1; }
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var moon = SunCalc.getMoonIllumination(now);
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var moon2 = SunCalc.getMoonPosition(now, node.lat, node.lon);
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moon = Object.assign(moon, moon2);
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moon.altitude = moon.altitude * 180 / Math.PI;
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moon.azimuth = moon.azimuth * 180 / Math.PI;
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moon.parallacticAngle = moon.parallacticAngle * 180 /Math.PI;
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moon.icon = "new";
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if (moon.phase > 0.02) { moon.icon = "wax-cres"}
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if (moon.phase > 0.22) { moon.icon = "first-quart"}
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if (moon.phase > 0.28) { moon.icon = "wax-gibb"}
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if (moon.phase > 0.48) { moon.icon = "full"}
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if (moon.phase > 0.52) { moon.icon = "wan-gibb"}
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if (moon.phase > 0.72) { moon.icon = "third-quart"}
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if (moon.phase > 0.78) { moon.icon = "wan-cres"}
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if (moon.phase > 0.98) { moon.icon = "new"}
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moon.icon = "wi-moon-" + moon.icon;
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var sun = SunCalc.getPosition(now, node.lat, node.lon);
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sun.altitude = sun.altitude * 180 / Math.PI;
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sun.azimuth = sun.azimuth * 180 / Math.PI;
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var msg = {payload:0, topic:"sun", sun:sun, moon:moon, start:s1, end:s2, now:now};
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if ((e1 > 0) & (e2 < 0)) { msg.payload = 1; }
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if (oldval == null) { oldval = msg.payload; }
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if (msg.payload == 1) { node.status({fill:"yellow",shape:"dot",text:"sunrise.dayState"}); }
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else { node.status({fill:"blue",shape:"dot",text:"sunrise.nightState"}); }
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if (msg.payload != oldval) {
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oldval = msg.payload;
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node.send([msg,msg]);
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}
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else { node.send(msg); }
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}
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this.tick = setInterval(function() { tick(); }, 60000);
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this.tock = setTimeout(function() { tick(); }, 500);
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this.on("close", function() {
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if (this.tock) { clearTimeout(this.tock); }
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if (this.tick) { clearInterval(this.tick); }
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});
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}
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RED.nodes.registerType("sunrise",SunNode);
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};
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