Address incorrect timestamps bug in node-red-node-timeswitch; increase readability (#945)

* Initial fixes before testing and reformatting

* Put sun event offset back in; reformat

* Tabs to spaces

* Fix "Start+X" OFF time; add more comments

* Undo some formatting changes

* Add contributors to package.json
This commit is contained in:
J.D. Mallen 2022-08-23 09:31:18 -04:00 committed by GitHub
parent ecb2849675
commit 29e0bed000
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2 changed files with 169 additions and 82 deletions

View File

@ -25,7 +25,19 @@
},
"contributors": [
{
"name": "@pmacostapdi"
"name": "@dceejay"
},
{
"name": "@pmacostapdi"
},
{
"name": "@heikokue"
},
{
"name": "@sammachin"
},
{
"name": "@jdmallen"
}
]
}

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@ -1,19 +1,18 @@
module.exports = function(RED) {
module.exports = function (RED) {
"use strict";
var SunCalc = require('suncalc');
const spacetime = require("spacetime")
const SUNRISE_KEY = "sunrise";
const SUNSET_KEY = "sunset";
function TimeswitchNode(n) {
RED.nodes.createNode(this, n);
this.lat = n.lat;
this.lon = n.lon;
this.start = n.start || "sunrise";
this.end = n.end || "sunset";
this.startt = n.starttime;
this.endt = n.endtime;
this.duskoff = n.duskoff;
this.dawnoff = n.dawnoff;
this.sunriseOffset = n.dawnoff;
this.sunsetOffset = n.duskoff;
this.mytopic = n.mytopic;
this.timezone = n.timezone || "UTC";
@ -24,6 +23,7 @@ module.exports = function(RED) {
this.thu = n.thu;
this.fri = n.fri;
this.sat = n.sat;
this.jan = n.jan;
this.feb = n.feb;
this.mar = n.mar;
@ -38,117 +38,192 @@ module.exports = function(RED) {
this.dec = n.dec;
var node = this;
var ison = 0;
var newendtime = 0;
this.on("input", function(msg2) {
if (msg2.payload === "reset") { ison = 0; }
this.on("input", function () {
// current global time
const now = spacetime.now();
const nowNative = now.toNativeDate();
var timeOffset = spacetime(Date.now()).goto(this.timezone.toLowerCase()).timezone().current.offset * 60 * 60 * 1000;
var now = new Date(Date.now() + timeOffset);
var nowMillis = Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(), now.getUTCHours(), now.getUTCMinutes(), 0);
var midnightMillis = Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(), 0, 0);
var today = Math.round((nowMillis - midnightMillis) / 60000) % 1440;
var starttime = Number(node.startt);
var endtime = Number(node.endt);
var tzOff = (new Date()).getTimezoneOffset();
// all sun events for the given lat/long
const sunEvents = SunCalc.getTimes(nowNative, node.lat, node.lon);
let sunriseDateTime = spacetime(sunEvents[SUNRISE_KEY]).nearest("minute");
let sunsetDateTime = spacetime(sunEvents[SUNSET_KEY]).nearest("minute");
if ((starttime >= 5000) || (endtime == 5000) || (endtime == 6000)) {
var times = SunCalc.getTimes(now, node.lat, node.lon);
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 dawn = ((startMillis - midnightMillis) / 60000) + Number(node.dawnoff);
var dusk = ((endMillis - midnightMillis) / 60000) + Number(node.duskoff);
if (starttime == 5000) { starttime = dawn; }
if (starttime == 6000) { starttime = dusk; }
if (endtime == 5000) { endtime = dawn; }
if (endtime == 6000) { endtime = dusk; }
if (RED.settings.verbose) { node.log("Dawn " + parseInt(dawn / 60) + ":" + dawn % 60 + " - Dusk " + parseInt(dusk / 60) + ":" + dusk % 60); }
// add optional sun event offset, if specified
sunriseDateTime = sunriseDateTime.add(Number(node.sunriseOffset), "minutes");
sunsetDateTime = sunsetDateTime.add(Number(node.sunsetOffset), "minutes");
// check if sun event has already occurred today
if (now.isAfter(sunriseDateTime)) {
// get tomorrow's sunrise, since it'll be different
sunriseDateTime = spacetime(SunCalc.getTimes(now.add(1, "day").toNativeDate(), node.lat, node.lon)[SUNRISE_KEY]).nearest("minute");
// add optional sun event offset, if specified (again)
sunriseDateTime = sunriseDateTime.add(Number(node.sunriseOffset), "minutes");
}
if (now.isAfter(sunsetDateTime)) {
// get tomorrow's sunset, since it'll be different
sunsetDateTime = spacetime(SunCalc.getTimes(now.add(1, "day").toNativeDate(), node.lat, node.lon)[SUNSET_KEY]).nearest("minute");
// add optional sun event offset, if specified (again)
sunsetDateTime = sunsetDateTime.add(Number(node.sunsetOffset), "minutes");
}
var proceed = 0;
switch (now.getDay()) {
case 0 : { if (node.sun) { proceed++; } break; }
case 1 : { if (node.mon) { proceed++; } break; }
case 2 : { if (node.tue) { proceed++; } break; }
case 3 : { if (node.wed) { proceed++; } break; }
case 4 : { if (node.thu) { proceed++; } break; }
case 5 : { if (node.fri) { proceed++; } break; }
case 6 : { if (node.sat) { proceed++; } break; }
// log sun events
if (RED.settings.verbose) {
node.log(`Sunrise ${sunriseDateTime.format("time")} - Sunset ${sunsetDateTime.format("time")} `);
}
if (proceed) {
switch (now.getMonth()) {
case 0 : { if (node.jan) { proceed++; } break; }
case 1 : { if (node.feb) { proceed++; } break; }
case 2 : { if (node.mar) { proceed++; } break; }
case 3 : { if (node.apr) { proceed++; } break; }
case 4 : { if (node.may) { proceed++; } break; }
case 5 : { if (node.jun) { proceed++; } break; }
case 6 : { if (node.jul) { proceed++; } break; }
case 7 : { if (node.aug) { proceed++; } break; }
case 8 : { if (node.sep) { proceed++; } break; }
case 9 : { if (node.oct) { proceed++; } break; }
case 10: { if (node.nov) { proceed++; } break; }
case 11: { if (node.dec) { proceed++; } break; }
// apply selected timezone to selected times (not to sunrise/sunset-- those are based on lat/long)
const currentTimeZone = now.timezone();
const selectedTimeZone = spacetime(now.epoch, this.timezone.toLowerCase()).timezone();
// handler function to convert minute strings (from <option> tags) to spacetime objects, called below
let getSelectedTimeFromMinuteString = minuteString => {
const selectedTimeInMinutesAfterMidnight = Number(minuteString);
let selectedTime = spacetime.now();
// if less than 1440, what are the time values for the next start and stop time?
if (selectedTimeInMinutesAfterMidnight < 1440) {
// determine offset to get from selected time zone to current timezone
// e.g. current (EDT) is -4, selected (PDT) is -7
// in order to get from PDT to EDT, you must add 3
// (-4) - (-7) = +3
const offset = currentTimeZone.current.offset - selectedTimeZone.current.offset;
const selectedHourValue = Math.floor(selectedTimeInMinutesAfterMidnight / 60);
const selectedMinuteValue = Math.floor(selectedTimeInMinutesAfterMidnight % 60);
selectedTime = selectedTime.hour(selectedHourValue).minute(selectedMinuteValue).second(0).millisecond(0);
selectedTime = selectedTime.add(offset, "hours");
// select the next time if it's in the past
if (now.isAfter(selectedTime)) {
selectedTime = selectedTime.add(1, "day");
}
} else if (selectedTimeInMinutesAfterMidnight == 5000) { // sunrise
selectedTime = sunriseDateTime;
} else if (selectedTimeInMinutesAfterMidnight == 6000) { // sunset
selectedTime = sunsetDateTime;
}
return selectedTime;
};
// our definitive next ON time
let selectedOnTime = getSelectedTimeFromMinuteString(node.startt);
// our definitive next OFF time
let selectedOffTime = getSelectedTimeFromMinuteString(node.endt);
// handle the "Start + X Minutes" cases
if (node.endt >= 10000) {
// even though the next start time might be tomorrow,
// the start time + X minutes might still be coming today,
// so we need to go back a day first
const selectedOnTimeMinus1Day = selectedOnTime.subtract(1, "day");
selectedOffTime = selectedOnTimeMinus1Day.add(node.endt - 10000, "minutes");
// _now_ we can check if the off time is in the past
if (now.isAfter(selectedOffTime)) {
selectedOffTime = selectedOffTime.add(1, "day");
}
}
if (proceed >= 2) { proceed = 1; }
else { proceed = 0; }
newendtime = endtime;
if (endtime > 10000) { newendtime = starttime + (endtime - 10000); }
if (proceed) { // have to handle midnight wrap
if (starttime <= newendtime) {
if ((today >= starttime) && (today <= newendtime)) { proceed++; }
// handler function for the node payload, called below
let sendPayload = (payload, nextTime) => {
if (payload == 1) {
node.status({
fill: "yellow",
shape: "dot",
text: `on until ${nextTime.format("time")}`
});
} else {
node.status({
fill: "blue",
shape: "dot",
text: `off until ${nextTime.format("time")}`
});
}
else {
if ((today >= starttime) || (today <= newendtime)) { proceed++; }
var msg = {};
if (node.mytopic) {
msg.topic = node.mytopic;
}
msg.payload = payload;
node.send(msg);
};
var proceed = true;
// if today is not among the selected days of the week, stop here
switch (nowNative.getDay()) {
case 0 : { if (!node.sun) { proceed &= false; } break; }
case 1 : { if (!node.mon) { proceed &= false; } break; }
case 2 : { if (!node.tue) { proceed &= false; } break; }
case 3 : { if (!node.wed) { proceed &= false; } break; }
case 4 : { if (!node.thu) { proceed &= false; } break; }
case 5 : { if (!node.fri) { proceed &= false; } break; }
case 6 : { if (!node.sat) { proceed &= false; } break; }
}
if (proceed >= 2) {
node.status({fill:"yellow", shape:"dot", text:"on until " + parseInt((newendtime -tzOff) / 60) + ":" + ("0" + (newendtime - tzOff) % 60).substr(-2)});
}
else {
node.status({fill:"blue", shape:"dot", text:"off until " + parseInt((starttime - tzOff) / 60) + ":" + ("0" + (starttime - tzOff) % 60).substr(-2)});
if (!proceed) {
sendPayload(0, selectedOnTime);
return;
}
var msg = {};
if (node.mytopic) { msg.topic = node.mytopic; }
msg.payload = (proceed >= 2) ? 1 : 0;
node.send(msg);
// if this month is not among the selected months, stop here
switch (nowNative.getMonth()) {
case 0 : { if (!node.jan) { proceed &= false; } break; }
case 1 : { if (!node.feb) { proceed &= false; } break; }
case 2 : { if (!node.mar) { proceed &= false; } break; }
case 3 : { if (!node.apr) { proceed &= false; } break; }
case 4 : { if (!node.may) { proceed &= false; } break; }
case 5 : { if (!node.jun) { proceed &= false; } break; }
case 6 : { if (!node.jul) { proceed &= false; } break; }
case 7 : { if (!node.aug) { proceed &= false; } break; }
case 8 : { if (!node.sep) { proceed &= false; } break; }
case 9 : { if (!node.oct) { proceed &= false; } break; }
case 10: { if (!node.nov) { proceed &= false; } break; }
case 11: { if (!node.dec) { proceed &= false; } break; }
}
if (!proceed) {
sendPayload(0, selectedOnTime);
return;
}
// if the chronological order is NOW --> ON --> OFF, then now should be OFF
if (proceed && selectedOffTime.isAfter(selectedOnTime)) {
sendPayload(0, selectedOnTime);
return;
}
// if the chronological order is NOW --> OFF --> ON, then now should be ON
if (proceed && selectedOffTime.isBefore(selectedOnTime)) {
sendPayload(1, selectedOffTime);
return;
}
// Note: we already ensured that all ON or OFF times would be in the future,
// so there is no midnight wrapping issue.
});
var tock = setTimeout(function() {
var tock = setTimeout(function () {
node.emit("input", {});
}, 2000); // wait 2 secs before starting to let things settle down e.g. UI connect
var tick = setInterval(function() {
var tick = setInterval(function () {
node.emit("input", {});
}, 60000); // trigger every 60 secs
this.on("close", function() {
this.on("close", function () {
if (tock) { clearTimeout(tock); }
if (tick) { clearInterval(tick); }
});
}
RED.httpAdmin.post("/timeswitch/:id", RED.auth.needsPermission("timeswitch.write"), function(req, res) {
RED.httpAdmin.post("/timeswitch/:id", RED.auth.needsPermission("timeswitch.write"), function (req, res) {
var node = RED.nodes.getNode(req.params.id);
if (node != null) {
try {
node.emit("input", {payload:"reset"});
node.emit("input", { payload: "reset" });
res.sendStatus(200);
}
catch (err) {
} catch (err) {
res.sendStatus(500);
node.error("Inject failed:" + err);
}
}
else {
} else {
res.sendStatus(404);
}
});