Adds 'new' callouts to top level challenge block links if all challenges

all challenges in that block are new.

server/boot/challenge.js

@@ -517,6 +517,24 @@ module.exports = function(app) {
   }
 
   function challengeMap({ user = {} }, res, next) {
+
+    // small helper function to determine whether to mark something as new
+    function shouldShowNew(element, block) {
+      if (element) {
+        return (typeof element.releasedOn !== 'undefined' &&
+               moment(element.releasedOn, 'MMM MMMM DD, YYYY')
+               .diff(moment(), 'days') >= -30);
+      } else if (block) {
+        const newCount = block.reduce((sum, { markNew }) => {
+          if (markNew) {
+            return sum + 1;
+          }
+          return sum;
+        }, 0);
+        return newCount / block.length * 100 === 100;
+      }
+    }
+
     let lastCompleted;
     const daysRunning = moment().diff(new Date('10/15/2014'), 'days');
 
@@ -537,11 +555,7 @@ module.exports = function(app) {
         if (completedChallenges.indexOf(challenge.id) !== -1) {
           challenge.completed = true;
         }
-        if (typeof challenge.releasedOn !== 'undefined' &&
+        challenge.markNew = shouldShowNew(challenge);
-          moment(challenge.releasedOn, 'MMM MMMM DD, YYYY').diff(moment(),
-            'days') >= -30) {
-          challenge.markNew = true;
-        }
         return challenge;
       })
       // group challenges by block | returns a stream of observables
@@ -561,6 +575,7 @@ module.exports = function(app) {
           isBeta,
           name: blockArray[0].block,
           dashedName: dasherize(blockArray[0].block),
+          markNew: shouldShowNew(null, blockArray),
           challenges: blockArray,
           completed: completedCount / blockArray.length * 100,
           time: blockArray[0] && blockArray[0].time || '???'

server/views/challengeMap/show.jade

@@ -53,6 +53,10 @@ block content
                                     .col-xs-12.col-sm-9.col-md-10
                                         li.map-p.faded.negative-10
                                             a(href='#' + challengeBlock.dashedName)= challengeBlock.name
+                                            if challengeBlock.markNew
+                                                span.text-danger.small    
+                                                    strong
+                                                        em NEW
                                 else
                                     .hidden-xs.col-sm-3.col-md-2
                                         .progress.progress-bar-padding.text-center.thin-progress-bar
@@ -60,12 +64,20 @@ block content
                                     .col-xs-12.col-sm-9.col-md-10
                                         li.map-p.negative-10
                                             a(href='#' + challengeBlock.dashedName)= challengeBlock.name
+                                            if challengeBlock.markNew
+                                                span.text-danger.small    
+                                                    strong
+                                                        em NEW
                             else
                                 .hidden-xs.col-sm-3.col-md-2
                                     span.negative-10
                                 .col-xs-12.col-sm-9.col-md-10
                                     li.map-p.negative-10
                                         a(href='#' + challengeBlock.dashedName)= challengeBlock.name
+                                        if challengeBlock.markNew
+                                            span.text-danger.small    
+                                                strong
+                                                    em NEW
 
                 .row
                     .col-xs-12.col-sm-8.col-sm-offset-2.negative-28