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111 lines
3.7 KiB
JavaScript
Executable File
111 lines
3.7 KiB
JavaScript
Executable File
/* global Class */
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/* Magic Mirror
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* Module: Weather
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*
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* By Michael Teeuw http://michaelteeuw.nl
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* MIT Licensed.
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*
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* This class is the blueprint for a day which includes weather information.
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*/
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// Currently this is focused on the information which is necessary for the current weather.
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// As soon as we start implementing the forecast, mode properties will be added.
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class WeatherObject {
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constructor(units, tempUnits, windUnits) {
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this.units = units;
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this.tempUnits = tempUnits;
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this.windUnits = windUnits;
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this.date = null;
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this.windSpeed = null;
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this.windDirection = null;
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this.sunrise = null;
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this.sunset = null;
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this.temperature = null;
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this.minTemperature = null;
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this.maxTemperature = null;
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this.weatherType = null;
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this.humidity = null;
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this.rain = null;
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this.snow = null;
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this.precipitation = null;
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this.feelsLikeTemp = null;
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}
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cardinalWindDirection() {
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if (this.windDirection > 11.25 && this.windDirection <= 33.75){
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return "NNE";
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} else if (this.windDirection > 33.75 && this.windDirection <= 56.25) {
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return "NE";
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} else if (this.windDirection > 56.25 && this.windDirection <= 78.75) {
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return "ENE";
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} else if (this.windDirection > 78.75 && this.windDirection <= 101.25) {
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return "E";
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} else if (this.windDirection > 101.25 && this.windDirection <= 123.75) {
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return "ESE";
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} else if (this.windDirection > 123.75 && this.windDirection <= 146.25) {
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return "SE";
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} else if (this.windDirection > 146.25 && this.windDirection <= 168.75) {
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return "SSE";
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} else if (this.windDirection > 168.75 && this.windDirection <= 191.25) {
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return "S";
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} else if (this.windDirection > 191.25 && this.windDirection <= 213.75) {
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return "SSW";
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} else if (this.windDirection > 213.75 && this.windDirection <= 236.25) {
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return "SW";
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} else if (this.windDirection > 236.25 && this.windDirection <= 258.75) {
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return "WSW";
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} else if (this.windDirection > 258.75 && this.windDirection <= 281.25) {
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return "W";
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} else if (this.windDirection > 281.25 && this.windDirection <= 303.75) {
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return "WNW";
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} else if (this.windDirection > 303.75 && this.windDirection <= 326.25) {
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return "NW";
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} else if (this.windDirection > 326.25 && this.windDirection <= 348.75) {
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return "NNW";
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} else {
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return "N";
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}
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}
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beaufortWindSpeed() {
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const windInKmh = (this.windUnits === "imperial") ? this.windSpeed * 1.609344 : this.windSpeed * 60 * 60 / 1000;
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const speeds = [1, 5, 11, 19, 28, 38, 49, 61, 74, 88, 102, 117, 1000];
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for (const [index, speed] of speeds.entries()) {
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if (speed > windInKmh) {
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return index;
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}
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}
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return 12;
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}
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nextSunAction() {
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return moment().isBetween(this.sunrise, this.sunset) ? "sunset" : "sunrise";
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}
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feelsLike() {
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if (this.feelsLikeTemp) {
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return this.feelsLikeTemp;
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}
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const windInMph = (this.windUnits === "imperial") ? this.windSpeed : this.windSpeed * 2.23694;
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const tempInF = this.tempUnits === "imperial" ? this.temperature : this.temperature * 9 / 5 + 32;
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let feelsLike = tempInF;
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if (windInMph > 3 && tempInF < 50) {
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feelsLike = Math.round(35.74 + 0.6215 * tempInF - 35.75 * Math.pow(windInMph, 0.16) + 0.4275 * tempInF * Math.pow(windInMph, 0.16));
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} else if (tempInF > 80 && this.humidity > 40) {
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feelsLike = -42.379 + 2.04901523 * tempInF + 10.14333127 * this.humidity
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- 0.22475541 * tempInF * this.humidity - 6.83783 * Math.pow(10, -3) * tempInF * tempInF
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- 5.481717 * Math.pow(10, -2) * this.humidity * this.humidity
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+ 1.22874 * Math.pow(10, -3) * tempInF * tempInF * this.humidity
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+ 8.5282 * Math.pow(10, -4) * tempInF * this.humidity * this.humidity
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- 1.99 * Math.pow(10, -6) * tempInF * tempInF * this.humidity * this.humidity;
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}
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return this.tempUnits === "imperial" ? feelsLike : (feelsLike - 32) * 5 / 9;
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}
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}
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