smartflanders-hackathon/test.html at master · oSoc17/smartflanders-hackathon · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Graphs</title>
    <script src="js/jquery-3.2.1.min.js" type="application/javascript"></script>
    <script src="bundle.js" type="application/javascript"></script>
</head>
<body>
<h1>Graph test environment</h1>
<canvas id="P1Chart"></canvas>
<canvas id="P2Chart"></canvas>
<canvas id="P4Chart"></canvas>
<canvas id="P7Chart"></canvas>
<canvas id="P8Chart"></canvas>
<canvas id="P10Chart"></canvas>
</body>
<script type="application/javascript">
    let timeStampStrlen = "0000-00-00T00:00:00".length;
    let parkings = {
        "P1": [], "P2": [], "P4": [],
        "P7": [], "P8": [], "P10": []
    };
    window.gatherData(10).then(result => {
        let vacantSpaces = result.getTriples(null, "datex:parkingNumberOfVacantSpaces");
        vacantSpaces.forEach(triple => {
          triple.time = triple.graph.substr(triple.graph.length - timeStampStrlen);
        });
        for (let i = vacantSpaces.length-1; i > 0; i--) {
            let triple = vacantSpaces[i];
            let parking = triple.subject.match(/P[0-9]*$/)[0];
            let vacant = parseInt(triple.object.substr(1, triple.object.length-2));
            parkings[parking].push(vacant);
        }
        Object.keys(parkings).forEach((parking) => {
        let array = parkings[parking];
        let data = [];
        for (let i = 0; i < array.length; i++) {
            data.push({x:i, y:array[i]});
        }
        let $chart = $("#" + parking + "Chart");
        let chart = new window.Chart($chart, {
          type: 'scatter',
          data: {
            datasets: [{
              label: parking,
              data: data,
              pointRadius: 0,
              backgroundColor: [
                'rgba(255, 99, 132, 0.2)',
              ],
              borderColor: [
                'rgba(255,99,132,1)',
              ],
              borderWidth: 1
            }]
          },
          options: {
            scales: {
              xAxes: [{
                ticks: {
                  display: false
                }
              }]
            }
          }
        });
        chart.canvas.parentNode.style.width = '400px';
        })
    });
</script>
</html>