halloween: some unlocking bug fixes (appears a markModified was required)

public/js/controllers/userCtrl.js

@@ -44,7 +44,7 @@ habitrpg.controller("UserCtrl", ['$rootScope', '$scope', '$location', 'User', '$
         window.habitrpgShared.helpers.dotSet('preferences.' + pref, val, User.user);
       } else {
         if (confirm("Purchase for 2 Gems?") !== true) return;
-        if (User.user.balance < 0.5) return $rootScope.modals.moreGems = true;
+        if (User.user.balance < 0.5) return $rootScope.modals.buyGems = true;
         User.unlock(path);
       }
     }

src/controllers/user.js

@@ -575,16 +575,13 @@ api.unlock = function(req, res) {
   if (user.balance < 0.5)
     return res.json(401, {err: 'Not enough gems'});
 
-  // Provide deafult values if !user.purchased
-  _.defaults(user, {purchased:{}});
-  _.defaults(user.purchased, {skin:{}, hair:{}, ads: false});
-
   var path = req.query.path;
   if (helpers.dotGet('purchased.' + path, user) === true)
     return res.json(401, {err: 'User already purchased that'});
   user.balance -= 2;
   helpers.dotSet('purchased.' + path, true, user);
   user.__v++;
+  user.markModified('purchased');
   user.save(function(err, saved){
     if (err) res.json(500, {err:err});
     res.send(200);

src/models/user.js

@@ -71,8 +71,8 @@ var UserSchema = new Schema({
 
   purchased: {
     ads: {type: Boolean, 'default': false},
-    skin: Schema.Types.Mixed, // eg, {skeleton: true, pumpkin: true, eb052b: true}
-    hair: Schema.Types.Mixed
+    skin: {type: Schema.Types.Mixed, 'default': {}}, // eg, {skeleton: true, pumpkin: true, eb052b: true}
+    hair: {type: Schema.Types.Mixed, 'default': {}}
   },
 
   flags: {