add challenge order to individual challenge

common/models/challenge.json

@@ -19,6 +19,9 @@
     "type": {
       "type": "string"
     },
+    "order": {
+      "type": "number"
+    },
     "dashedName": {
       "type": "string"
     },

seed/index.js

@@ -38,14 +38,19 @@ Challenge.destroyAll(function(err, info) {
   }
   challenges.forEach(function(file) {
     var challengeSpec = require('./challenges/' + file);
+    var order = challengeSpec.order;
     var challenges = challengeSpec.challenges
-      .map(function(challenge) {
+      .map(function(challenge, index) {
         // NOTE(berks): add title for displaying in views
         challenge.name =
           _.capitalize(challenge.type) +
           ': ' +
           challenge.title.replace(/[^a-zA-Z0-9\s]/g, '');
-        challenge.dashedName = challenge.name.toLowerCase().replace(/\s/g, '-');
+        challenge.dashedName = challenge.name
+          .toLowerCase()
+          .replace(/\:/g, '')
+          .replace(/\s/g, '-');
+        challenge.order = +('' + order + (index + 1));
         return challenge;
       });