Jan Tuomi
138 lines
3.0 KiB
JavaScript
138 lines
3.0 KiB
JavaScript
var len = 0;
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var lastBrew = "∞";
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var brewtext = "";
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$(document).ready(function(){
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$('#text').bind("DOMSubtreeModified", resize);
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updateTime();
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setInterval(updateTime,1000);
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formatBrewTime();
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setInterval(formatBrewTime,10000);
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});
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$(window).resize(resize);
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var defaultBackoffTime = 1000;
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var modified = 0;
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function fetchdata(data, status){
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var backoffTime = defaultBackoffTime;
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modified = 1;
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if (typeof status !== 'undefined'){
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if (status == "success"){
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backoffTime = defaultBackoffTime;
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parseData(data);
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}
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else if (status == "error"){
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backoffTime *= 2;
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modified = 0
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handleError();
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return;
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}
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}
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}
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$.getJSON("/coffee/cups", fetchdata);
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setInterval(function() {
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$.getJSON("/coffee/cups", fetchdata);
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}, 2000);
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function formatBrewTime(){
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if(!brewtext && lastBrew instanceof Date){
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var now = new Date();
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var timeDiff = Math.max(now.getTime()-lastBrew.getTime(),0);
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if(timeDiff < 3600000)
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tmp = Math.round(timeDiff/60000) + ' min';
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else
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tmp = '~' + Math.round(timeDiff/3600000*2)/2 + ' h';
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$("#brewtime").html(tmp);
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}else
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$("#brewtime").html(brewtext);
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}
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function handleError(){
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setData("?",0,0,Number.MAX_VALUE,Number.MAX_VALUE);
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}
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function parseData(data) {
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if (data) {
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var date = new Date(data.date);
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lastBrew = new Date(data.last_brew);
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var now = new Date();
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var cups = data.cups;
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var brewing = data.brewing;
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var timeDiff = Math.max(now.getTime() - lastBrew.getTime(),0);
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var opa = Math.max(100-timeDiff/90000,0);
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setData(cups, data.temp, opa,now.getTime()-date.getTime(), timeDiff, brewing);
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}
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else{
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handleError();
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}
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}
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function setData(cups, temp, opa, timeFromUpdate, timeFromBrew, brewing){
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var now = new Date();
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if(cups == 0)
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opa = 0;
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brewtext = "";
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$("#upper").css({opacity: opa/100});
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$("#scale2").css({width: Math.min(cups/9*100,100) + '%'});
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$("#text,body").removeClass();
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if(timeFromUpdate > 600000){
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cups = "?";
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brewtext = "∞";
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$("#text").addClass("unknown");
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}
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else if(brewing){
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cups = "+";
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brewtext = ":)";
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$("#text").addClass("brewing");
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}
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else if(cups <= 2){
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$("#text").addClass("hurry");
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}
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formatBrewTime();
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if($("#text").html() == "+" && !brewing)
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$("body").addClass("coffeeready");
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cups = Number(cups).toFixed(1);
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var cupsString = cups.toString();
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len = cupsString.length;
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$("#text").html(cups);
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}
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function updateTime(){
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var now = new Date();
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$("#time").html(formatTime(now.getHours(),now.getMinutes(),now.getSeconds()));
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}
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function formatTime(hours, minutes, seconds){
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var str = "";
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if(hours < 10)
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str += "0";
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str += hours;
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str += ":";
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if(minutes < 10)
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str += "0";
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str += minutes;
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str += ":";
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if(seconds < 10)
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str += "0";
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str += seconds;
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return str;
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}
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function resize(){
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var w = $("#container").width();
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var h = $("#container").height();
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var s = w > h ? h : w;
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var font = s*0.8*0.38/Math.sqrt(len);
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$("#text").css({ top: s*0.16-font/2 + 'px', fontSize: font + 'px', marginLeft: -font*len*3/10 + 'px'});
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}
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