shuffle judges [finishes #16143455]

config/app.js

@@ -39,6 +39,7 @@ app.error(function(e, req, res, next) {
 
 // utilities & hacks
 require('../lib/render2');
+require('../lib/underscore.shuffle');
 
 // db
 var mongoose = require('mongoose')

controllers/judges.coffee

@@ -1,11 +1,12 @@
 app = require '../config/app'
 Person = app.db.model 'Person'
+_ = require 'underscore'
 
 # index
 app.get '/judges', (req, res, next) ->
   Person.find { role: 'judge' }, (err, judges) ->
     return next err if err
-    res.render2 'judges', judges: judges
+    res.render2 'judges', judges: _.shuffle(judges)
 
 app.get '/judges/nominations', (req, res, next) ->
   Person.find { role: 'nomination' }, (err, judges) ->

helpers/index.coffee

@@ -1,4 +1,5 @@
 crypto = require 'crypto'
+_ = require 'underscore'
 markdown = require('markdown').parse
 
 md5 = (str) ->
@@ -9,21 +10,10 @@ md5 = (str) ->
 gravatar_url = (md5, size) ->
   "http://gravatar.com/avatar/#{md5}?s=#{size}&d=retro"
 
-shuffle = (obj) ->
-  shuffled = []
-  obj.forEach (value, index, list) ->
-    if index == 0
-      shuffled[0] = value
-    else
-      rand = Math.floor(Math.random() * (index + 1))
-      shuffled[index] = shuffled[rand]
-      shuffled[rand] = value
-  shuffled
-
 module.exports = (app) ->
   app.helpers
     inspect: require('util').inspect
-    _: require('underscore')
+    _: _
     markdown: (str) -> if str? then markdown(str) else ''
     avatar_url: (person, size = 30) ->
       if person.github?.gravatarId
@@ -35,7 +25,7 @@ module.exports = (app) ->
         gravatar_url md5(person.email.trim().toLowerCase()), size
       else
         '/images/gravatar_fallback.png'
-    sponsors: (fn) -> shuffle(sponsors).forEach fn
+    sponsors: (fn) -> _.shuffle(sponsors).forEach fn
 
   app.dynamicHelpers
     session: (req, res) -> req.session

lib/underscore.shuffle.coffee

@@ -0,0 +1,13 @@
+_ = module.exports = require 'underscore'
+
+_.mixin
+  shuffle: (array) ->
+    shuffled = []
+    _.each array, (value, index, list) ->
+      if index == 0
+        shuffled[0] = value
+      else
+        rand = Math.floor(Math.random() * (index + 1))
+        shuffled[index] = shuffled[rand]
+        shuffled[rand] = value
+    shuffled