fix: support PI v2 profiles

app/util/flatten.js

@@ -15,6 +15,12 @@
 
 'use strict';
 
+var types = {
+  'personality': 0,
+  'needs': 1,
+  'values': 2,
+};
+
 /**
  * Return the desired Traits normalized
  * @param  {tree}     JSON personality results object
@@ -23,11 +29,11 @@
  */
 var traits = function(tree, type) {
   var profile = typeof(tree) === 'string' ? JSON.parse(tree) : tree;
-  var _traits = profile[type];
+  var _traits = profile[type] ? profile[type] : profile.tree.children[types[type]].children[0].children;
   return _traits.map(function(trait) {
     return {
       name: trait.name,
-      value: trait.percentile
+      value: trait['percentile'] || trait['percentage']
     };
   });
 };

app/util/similarity.js

@@ -14,6 +14,7 @@
  */
 
 'use strict';
+var flatten  = require('./flatten');
 
 /**
  * Return the euclidean distance between two profiles
@@ -25,13 +26,13 @@
 var similarity = function( /*object*/ origin, /*object*/ target, type) {
   origin = typeof(origin) === 'string' ? JSON.parse(origin) : origin;
   target = typeof(target) === 'string' ? JSON.parse(target) : target;
-  var distance = 0.0,
-    origin_traits = origin[type],
-    target_traits = target[type];
+  var distance = 0.0;
+  var origin_traits = flatten.traits(origin, type);
+  var target_traits = flatten.traits(target, type);
 
   // for each trait in origin personality...
   origin_traits.forEach(function(trait, i) {
-    distance += Math.pow(trait.percentile - target_traits[i].percentile, 2);
+    distance += Math.pow(trait.value - target_traits[i].value, 2);
   });
   var ret = 1 - (Math.sqrt(distance / origin_traits.length));
   return ret;