Node-firebase-twitter-analytics/helpers.js at master · austinbourdier/Node-firebase-twitter-analytics · GitHub

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var dataRef = new Firebase("https://scorching-fire-1875.firebaseio.com/");
dataRef.limit(20).on("child_added", importFromFirebase);
function importFromFirebase(snapshot){
    analyzeSentimentValue(snapshot.val());
};


// Highcharts spline handler
$(function () {
    $(document).ready(function() {
        Highcharts.setOptions({
            global: {
                useUTC: false
            }
        });
        var chart;
        $('#spline').highcharts({
            chart: {
                type: 'spline',
          animation: Highcharts.svg, // don't animate in old IE
          marginRight: 10,
          events: {
            load: function() {
                var series = this.series[0];
                setInterval(function() {
                var x = (new Date()).getTime(), // current time
                y = metrics.positivePerSecond-metrics.negativePerSecond;
                series.addPoint([x, y], true, true);
              }, 3000);
            }
          }
        },
        title: {
            text: 'Twitter Sentiment Analysis'
        },
        xAxis: {
            title: {
                text: 'Time',
            },
            type: 'datetime',
            tickPixelInterval: 150
        },
        yAxis: {
            title: {
                text: 'Sentiment Rate'
            },
            plotLines: [{
                value: 0,
                width: 1,
                color: '#808080'
            }]
        },
        tooltip: {
            formatter: function() {
                return '<b>'+ this.series.name +'</b><br/>'+
                Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) +'<br/>'+
                Highcharts.numberFormat(this.y, 2);
            }
        },
        legend: {
            enabled: false
        },
        exporting: {
            enabled: false
        },
        series: [{
            name: 'Sentiment Rate',
            data: (function() {
                var data = [],
                time = (new Date()).getTime(),
                i;
                for (i = -10; i <= 0; i++) {
                    data.push({
                        x: time + i * 1000,
                        y: 0
                    });
                }
                return data;
            })()
        }]
      });
    });
});