many bug fixes regarding schema updates

lib/app/schema.js

@@ -0,0 +1,50 @@
+// Generated by CoffeeScript 1.3.3
+var userSchema;
+
+module.exports.userSchema = userSchema = {
+  stats: {
+    money: 0,
+    exp: 0,
+    lvl: 1,
+    hp: 50
+  },
+  items: {
+    itemsEnabled: false,
+    armor: 0,
+    weapon: 0
+  },
+  tasks: {},
+  habitIds: [],
+  dailyIds: [],
+  todoIds: [],
+  completedIds: [],
+  rewardIds: []
+};
+
+module.exports.updateSchema = function(model) {
+  var completedIds, id, index, task, todoIds, uid, user, userObj, _ref, _ref1, _results;
+  _ref = model.get('users');
+  _results = [];
+  for (uid in _ref) {
+    userObj = _ref[uid];
+    user = model.at("users." + uid);
+    user.set('completedIds', []);
+    completedIds = user.get('completedIds');
+    todoIds = user.get('todoIds');
+    _ref1 = user.get('tasks');
+    for (id in _ref1) {
+      task = _ref1[id];
+      if (task.type === 'todo' && task.completed === true) {
+        if ((index = todoIds.indexOf(id)) !== -1) {
+          todoIds.splice(index, 1);
+        }
+        if ((index = completedIds.indexOf(id)) === -1) {
+          completedIds.push(id);
+        }
+      }
+    }
+    user.set('todoIds', todoIds);
+    _results.push(user.set('completedIds', completedIds));
+  }
+  return _results;
+};