gistfile1.txt

User.getUntrackedSimilar = function(user, done) {
    var excludeIds = user.similarTracked || [];
      excludeIds.push(user._id);
      
  User
    .find({
      _id: {$nin : excludeIds},
      tags: {$in: user.tags},
      name : {$exists : true, $ne : null, $ne : ""}
    }, {limit: 5}, function(err, users) {
       // Temporary fix for avoiding users with name :""
       if (users) console.log("users", users.map(function(u){ return u._id}));
       if (users) {
         users = users.filter(function(user) {return (user.name != "" && user.name != null) });
       }
       done(err, users);
    });
};