Adding responseCodes to summary for graphit and summary HTML page (#944)

* Adding responseCodes to summary for graphite

* Adding 200, 301, and 404 response counts to summary html page

lib/plugins/coach/pagexrayAggregator.js

@@ -21,6 +21,10 @@ module.exports = {
         });
       })
 
+      Object.keys(summary.responseCodes).forEach(function(responseCode) {
+        statsHelpers.pushStats(stats, 'responseCodes.' + responseCode, summary.responseCodes[responseCode]);
+      });
+
       // extras for firstParty vs third
       if (summary.firstParty.requests) {
         METRIC_NAMES.forEach(function(metric) {
@@ -48,6 +52,12 @@ module.exports = {
             });
           });
           summary[name] = contentTypeData;
+        } else if(name === 'responseCodes') {
+          const responseCodeData = {};
+          this.stats.responseCodes.forEach((stats, metric) =>{
+            statsHelpers.setStatsSummary(responseCodeData, metric, stats);
+          });
+          summary[name] = responseCodeData;
         } else {
           const data = {};
           forEach(this.stats[name], (stats, metric) => {

lib/plugins/html/templates/index.jade

@@ -9,8 +9,14 @@ mixin box(name, node, func)
 
 mixin boxInfo(name, node, formatter)
   -formatter = formatter || function(value) {return value}
-  -median= node.median
-  -max= node.max
+  -median=0
+  -max=0
+  -if(node && node.median !== 'undefined'){
+    -median=node.median
+  -}
+  -if(node && node.max !== 'undefined'){
+    -max=node.max
+  -}
   .summarybox.info= name
     .summarynumber #{formatter(median)} 
       span.summarysmall (#{formatter(max)})      
@@ -37,6 +43,14 @@ block content
           +boxInfo('Total requests', pagexray.summary.requests)
         .one-third.column
           +boxInfo('Image requests', pagexray.summary.contentTypes.image.requests)
+    .row
+      .one-third.column
+        +boxInfo('200 responses', pagexray.summary.responseCodes['200'])
+      .one-third.column
+        +boxInfo('301 responses', pagexray.summary.responseCodes['301'])
+      .one-third.column
+        +boxInfo('404 responses', pagexray.summary.responseCodes['404'])
+          
 
     if pagexray
       .row