123 lines
6.0 KiB
JavaScript
123 lines
6.0 KiB
JavaScript
/*! simpleWeather v3.1.0 - http://simpleweatherjs.com */
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(function($) {
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'use strict';
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function getAltTemp(unit, temp) {
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if(unit === 'f') {
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return Math.round((5.0/9.0)*(temp-32.0));
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} else {
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return Math.round((9.0/5.0)*temp+32.0);
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}
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}
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$.extend({
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simpleWeather: function(options){
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options = $.extend({
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location: '',
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woeid: '',
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unit: 'f',
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success: function(weather){},
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error: function(message){}
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}, options);
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var now = new Date();
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var weatherUrl = 'https://query.yahooapis.com/v1/public/yql?format=json&rnd=' + now.getFullYear() + now.getMonth() + now.getDay() + now.getHours() + '&diagnostics=true&callback=?&q=';
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if(options.location !== '') {
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/* If latitude/longitude coordinates, need to format a little different. */
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var location = '';
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if(/^(\-?\d+(\.\d+)?),\s*(\-?\d+(\.\d+)?)$/.test(options.location)) {
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location = '(' + options.location + ')';
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} else {
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location = options.location;
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}
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weatherUrl += 'select * from weather.forecast where woeid in (select woeid from geo.places(1) where text="' + location + '") and u="' + options.unit + '"';
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} else if(options.woeid !== '') {
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weatherUrl += 'select * from weather.forecast where woeid=' + options.woeid + ' and u="' + options.unit + '"';
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} else {
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options.error('Could not retrieve weather due to an invalid location.');
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return false;
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}
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$.getJSON(
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encodeURI(weatherUrl),
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function(data) {
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if(data !== null && data.query !== null && data.query.results !== null && data.query.results.channel.description !== 'Yahoo! Weather Error') {
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var result = data.query.results.channel,
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weather = {},
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forecast,
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compass = ['N', 'NNE', 'NE', 'ENE', 'E', 'ESE', 'SE', 'SSE', 'S', 'SSW', 'SW', 'WSW', 'W', 'WNW', 'NW', 'NNW', 'N'],
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image404 = 'https://s.yimg.com/os/mit/media/m/weather/images/icons/l/44d-100567.png';
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weather.title = result.item.title;
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weather.temp = result.item.condition.temp;
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weather.code = result.item.condition.code;
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weather.todayCode = result.item.forecast[0].code;
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weather.currently = result.item.condition.text;
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weather.high = result.item.forecast[0].high;
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weather.low = result.item.forecast[0].low;
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weather.text = result.item.forecast[0].text;
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weather.humidity = result.atmosphere.humidity;
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weather.pressure = result.atmosphere.pressure;
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weather.rising = result.atmosphere.rising;
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weather.visibility = result.atmosphere.visibility;
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weather.sunrise = result.astronomy.sunrise;
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weather.sunset = result.astronomy.sunset;
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weather.description = result.item.description;
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weather.city = result.location.city;
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weather.country = result.location.country;
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weather.region = result.location.region;
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weather.updated = result.item.pubDate;
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weather.link = result.item.link;
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weather.units = {temp: result.units.temperature, distance: result.units.distance, pressure: result.units.pressure, speed: result.units.speed};
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weather.wind = {chill: result.wind.chill, direction: compass[Math.round(result.wind.direction / 22.5)], speed: result.wind.speed};
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if(result.item.condition.temp < 80 && result.atmosphere.humidity < 40) {
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weather.heatindex = -42.379+2.04901523*result.item.condition.temp+10.14333127*result.atmosphere.humidity-0.22475541*result.item.condition.temp*result.atmosphere.humidity-6.83783*(Math.pow(10, -3))*(Math.pow(result.item.condition.temp, 2))-5.481717*(Math.pow(10, -2))*(Math.pow(result.atmosphere.humidity, 2))+1.22874*(Math.pow(10, -3))*(Math.pow(result.item.condition.temp, 2))*result.atmosphere.humidity+8.5282*(Math.pow(10, -4))*result.item.condition.temp*(Math.pow(result.atmosphere.humidity, 2))-1.99*(Math.pow(10, -6))*(Math.pow(result.item.condition.temp, 2))*(Math.pow(result.atmosphere.humidity,2));
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} else {
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weather.heatindex = result.item.condition.temp;
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}
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if(result.item.condition.code == '3200') {
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weather.thumbnail = image404;
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weather.image = image404;
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} else {
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weather.thumbnail = 'https://s.yimg.com/zz/combo?a/i/us/nws/weather/gr/' + result.item.condition.code + 'ds.png';
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weather.image = 'https://s.yimg.com/zz/combo?a/i/us/nws/weather/gr/' + result.item.condition.code + 'd.png';
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}
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weather.alt = {temp: getAltTemp(options.unit, result.item.condition.temp), high: getAltTemp(options.unit, result.item.forecast[0].high), low: getAltTemp(options.unit, result.item.forecast[0].low)};
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if(options.unit === 'f') {
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weather.alt.unit = 'c';
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} else {
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weather.alt.unit = 'f';
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}
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weather.forecast = [];
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for(var i=0;i<result.item.forecast.length;i++) {
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forecast = result.item.forecast[i];
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forecast.alt = {high: getAltTemp(options.unit, result.item.forecast[i].high), low: getAltTemp(options.unit, result.item.forecast[i].low)};
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if(result.item.forecast[i].code == "3200") {
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forecast.thumbnail = image404;
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forecast.image = image404;
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} else {
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forecast.thumbnail = 'https://s.yimg.com/zz/combo?a/i/us/nws/weather/gr/' + result.item.forecast[i].code + 'ds.png';
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forecast.image = 'https://s.yimg.com/zz/combo?a/i/us/nws/weather/gr/' + result.item.forecast[i].code + 'd.png';
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}
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weather.forecast.push(forecast);
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}
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options.success(weather);
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} else {
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options.error('There was a problem retrieving the latest weather information.');
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}
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}
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);
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return this;
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}
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});
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})(jQuery);
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