56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
var destroy = [];
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function loadSmiley() {
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var smileys = document.getElementsByTagName('smiley');
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for (var i = 0; i < smileys.length; i++) {
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var smiley = smileys[i];
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destroy.push(getSmiley(smiley, Number.parseInt(smiley.getAttribute('phase'))-1, smiley.getAttribute('type')));
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}
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}
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function destroySmiley() {
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for (var i = 0; i < destroy.length; i++) {
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if (destroy[i] == null) continue;
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destroy[i]();
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}
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destroy = [];
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}
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function getSmiley(ctx, phase, type) {
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if (type == undefined) return null;
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var meter=document.getElementById("meter1").value;
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var updateSmiley = function() {
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fetch('https://5groningen02.housing.rug.nl/api/trading/'+meter+'/scores')
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.then(function (response) {
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if (response.status != 200) return new Promise((resolve) => { resolve([]); });
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return response.json()
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})
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.then(function (data) {
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if (data == null) return;
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var value = data[phase][type]
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var c = 'neutral'
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if (value >= 1) {
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c = 'positive'
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}
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else if (value <= -1) {
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c = 'negative'
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}
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ctx.className = c;
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var text = value.toFixed(1);
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if (text == "-0.0") text = "0.0";
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ctx.innerText = text;
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})
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}
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updateSmiley();
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var interval = setInterval(function() {
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updateSmiley();
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}, 5000)
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return function() {
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clearInterval(interval);
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}
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}
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