Added script to generate stats on a git checkout

infra/tools/antibody/static/stats.js

+google.load('visualization', '1.0', {'packages':['corechart']});
+google.setOnLoadCallback(draw_charts);
+
+function draw_charts() {
+  $.getJSON("./all_monthly_stats.json", function(data) {
+    monthly = data['monthly_breakdown'];
+    var colors = [['#594F4F'], ['#547980', '#45ADA8', '#9DE0AD', '#E5FCC2']];
+    var ratio_data = congregate_series(
+      ['Month', 'Suspicious/Total Commits'],
+      [monthly['suspicious_to_total_ratio']]
+    );
+    var all_commit_data = congregate_series(
+      ['Month', 'Total Commits', 'TBR no LGTM', 'No Review URL', 'Blank TBRs'],
+      [
+        monthly['total_commits'], 
+        monthly['tbr_no_lgtm'], 
+        monthly['no_review_url'], 
+        monthly['blank_tbrs'],
+      ]
+    );
+    var line_charts = [
+      ['Ratio of "Suspicious" Commits to Commits per Month', ratio_data,
+          'ratio_chart'],
+      ['Commits per Month', all_commit_data, 'commits_chart'],
+    ];
+    for (var i = 0; i < line_charts.length; i++) {
+      chart_data = line_charts[i];
+      draw_line_chart(chart_data[0], chart_data[1], chart_data[2],
+          colors[i]);
+    }
+  });
+}
+
+function congregate_series(headers, all_series) {
+  var all_data = [headers];
+  for (var data_item = 0; data_item < all_series[0].length; data_item++) {
+    var data_point = [all_series[0][data_item][0]];  // date
+    for (var series = 0; series < all_series.length; series++) {
+      data_point = data_point.concat(all_series[series][data_item][1]);
+    }      all_data = all_data.concat([data_point]);
+  }
+  return all_data;
+}
+
+function draw_line_chart(chart_title, data, element_id, color) {
+  var data = google.visualization.arrayToDataTable(data, false);
+  var options = {
+    colors: color,
+    fontName: 'Quattrocento Sans',
+    hAxis: {
+      title: 'Month',
+      showTextEvery: 5,
+    },
+    legend: { 
+      position: 'right',
+      alignment: 'center',
+    },
+    title: chart_title,
+    titleTextStyle: {
+      fontSize: 20,
+    },
+    vAxis: {
+      title: 'Commits',
+    }
+  };
+  var chart = new google.visualization.LineChart(
+    document.getElementById(element_id));
+
+  chart.draw(data, options);
+}
+
+function resize () {
+    draw_charts();
+  }
+
+  window.onload = resize();
+  window.onresize = resize;