statping/source/js/chart_index.js

{{define "chartIndex"}}
var ctx_{{js .Id}} = document.getElementById("service_{{js .Id}}").getContext('2d');
var chartdata_{{js .Id}} = new Chart(ctx_{{js .Id}}, {
  type: 'line',
    data: {
    datasets: [{
      label: 'Response Time (Milliseconds)',
      data: [],
      backgroundColor: ['{{if .Online}}rgba(47, 206, 30, 0.92){{else}}rgb(221, 53, 69){{end}}'],
      borderColor: ['{{if .Online}}rgb(47, 171, 34){{else}}rgb(183, 32, 47){{end}}'],
      borderWidth: 1
    }]
  },
  options: {
    maintainAspectRatio: !1,
      scaleShowValues: !0,
      layout: {
      padding: {
        left: 0,
          right: 0,
          top: 0,
          bottom: -10
      }
    },
    hover: {
      animationDuration: 0,
    },
    responsiveAnimationDuration: 0,
      animation: {
      duration: 3500,
        onComplete: function() {
        var chartInstance = this.chart,
          ctx = chartInstance.ctx;
        var controller = this.chart.controller;
        var xAxis = controller.scales['x-axis-0'];
        var yAxis = controller.scales['y-axis-0'];
        ctx.font = Chart.helpers.fontString(Chart.defaults.global.defaultFontSize, Chart.defaults.global.defaultFontStyle, Chart.defaults.global.defaultFontFamily);
        ctx.textAlign = 'center';
        ctx.textBaseline = 'bottom';
        var numTicks = xAxis.ticks.length;
        var yOffsetStart = xAxis.width / numTicks;
        var halfBarWidth = (xAxis.width / (numTicks * 2));
        xAxis.ticks.forEach(function(value, index) {
          var xOffset = 20;
          var yOffset = (yOffsetStart * index) + halfBarWidth;
          ctx.fillStyle = '#e2e2e2';
          ctx.fillText(value, yOffset, xOffset)
        });
        this.data.datasets.forEach(function(dataset, i) {
          var meta = chartInstance.controller.getDatasetMeta(i);
          var hxH = 0;
          var hyH = 0;
          var hxL = 0;
          var hyL = 0;
          var highestNum = 0;
          var lowestnum = 999999999999;
          meta.data.forEach(function(bar, index) {
            var data = dataset.data[index];
            if (lowestnum > data.y) {
              lowestnum = data.y;
              hxL = bar._model.x;
              hyL = bar._model.y
            }
            if (data.y > highestNum) {
              highestNum = data.y;
              hxH = bar._model.x;
              hyH = bar._model.y
            }
          });
          if (hxH >= 820) {
            hxH = 820
          } else if (50 >= hxH) {
            hxH = 50
          }
          if (hxL >= 820) {
            hxL = 820
          } else if (70 >= hxL) {
            hxL = 70
          }
          ctx.fillStyle = '#ffa7a2';
          ctx.fillText(highestNum + "ms", hxH - 40, hyH + 15);
          ctx.fillStyle = '#45d642';
          ctx.fillText(lowestnum + "ms", hxL, hyL + 10);
        })
      }
    },
    legend: {
      display: !1
    },
    tooltips: {
      enabled: !1
    },
    scales: {
      yAxes: [{
        display: !1,
        ticks: {
          fontSize: 20,
          display: !1,
          beginAtZero: !1
        },
        gridLines: {
          display: !1
        }
      }],
        xAxes: [{
        type: 'time',
        distribution: 'series',
        autoSkip: !1,
        time: {
          displayFormats: {
            'hour': 'MMM DD hA'
          },
          source: 'auto'
        },
        gridLines: {
          display: !1
        },
        ticks: {
          source: 'auto',
          stepSize: 1,
          min: 0,
          fontColor: "white",
          fontSize: 20,
          display: !1
        }
      }]
    },
    elements: {
      point: {
        radius: 0
      }
    }
  }
});

AjaxChart(chartdata_{{js .Id}},{{js .Id}},0,99999999999,"hour");
{{end}}