router.get('/api/users/search/:key/:page', function(req, res) {

     if(_.isEmpty(req.params.key)) { res.json({items:null}); return; }

     var key = urlencode.decode(req.params.key);

     var page = parseInt(req.params.page);

     if(!page) page = 0;

     var query = {nickname: new RegExp(key, "i")};

     thunk.all([

       thunk(function(cb) { User.find(query).skip(page * 40).limit(40).exec(function(err, items) { cb(err, items); }); }),

       thunk(function(cb) { User.count(query).exec(function (err, count) { cb(err, count); }); })

     ])(function(cb, results) {

       res.json({items: results[0], total:results[1]});

     });

   });