add untappd support

app/controllers/home.js

@@ -1,11 +1,45 @@
 var express = require('express'),
-  router = express.Router();
+  router = express.Router(),
+  UntappdClient = require("node-untappd"),
+  moment = require("moment"),
+    _ = require("underscore"),
+  cache = require('memory-cache');
 
 module.exports = function (app) {
   app.use('/', router);
 };
 
 router.get('/', function (req, res, next) {
-//var articles = [new Article(), new Article()];
-    res.render('index', {});
+
+  if(process.env.untappdkey == undefined
+    || process.env.untappdkey == null
+    || process.env.untappdsecret == undefined
+    || process.env.untappdsecret == null ){
+    return res.render('index',{});
+  }
+  var cacheCheck = cache.get('checkin');
+  if(cacheCheck != null){
+    return res.render('index', {beer:cacheCheck});
+  }
+  var untappd = new UntappdClient(false);
+    untappd.setClientId(process.env.untappdkey);
+    untappd.setClientSecret(process.env.untappdsecret);
+
+    untappd.userFeed(function(err,obj){
+      var validCheckin = null;
+     obj.response.checkins.items.forEach(function(checkin){
+          console.log(checkin);
+          if(validCheckin == null){
+            var checkinTime = moment.utc(checkin.created_at);
+            var now = moment.utc().add(-3, 'hours');
+            if(checkinTime > now){
+              validCheckin = checkin.beer.beer_name;
+            }
+          }
+      });
+      cache.put('checkin', validCheckin, 600000)
+      res.render('index', {beer: validCheckin})
+  },"tparnell");
+
+
 });