mounts: add migration

migrations/20131109_refactor_pets.js

@@ -1 +1,34 @@
-//TODO
+db.users.find({},{backer: 1, items:1}).forEach(function(user){
+  user.items = {
+    armor: +user.items.armor || 0,
+    weapon: +user.items.weapon || 0,
+    head: +user.items.head || 0,
+    shield: +user.items.shield || 0,
+
+    pets: _.reduce(user.items.pets, function(m,v){ m[v] = 5; return m;}, {}),
+    currentPet: user.items.currentPet ? user.items.currentPet.str : '',
+    eggs: _.reduce(user.items.eggs, function(m,v){
+      if (!m[v.name]) m[v.name] = 0;
+      m[v.name]++;
+      return m;
+    }, {}),
+
+    hatchingPotions: _.reduce(user.items.hatchingPotions, function(m,v){
+      if (!m[v]) m[v] = 0;
+      m[v]++;
+      return m;
+    }, {}),
+
+    food: {},
+
+    mounts: {},
+    currentMount: '',
+
+    lastDrop: user.items.lastDrop || {date: new Date(), count: 0}
+  };
+  if (user.backer && user.backer.tier && user.backer.tier >= 90) {
+    user.items.mounts['LionCub-Ethereal'] = true;
+  }
+
+  db.users.update({_id:user._id}, {$set:{items:user.items}});
+});