old_contents: var express = require('express');
  var bodyParser = require('body-parser');
  var Twitter = require('twitter');
  //Database Mongodb connect with Mongoose
  var mongoose = require('mongoose');
  mongoose.connect('mongodb://127.0.0.1:27017/msgGlobal/msgs');
  var db = mongoose.connection;
  db.on('error',console.error.bind(console,'connection error: '));
  db.once('connected',function(){
  	console.log('Connected to Database');
  });
  // Example Schema 
  var msgSchema = mongoose.Schema({
  	user_id: String,
  	message: String,
  	tweet_id:String
  });
  
  var MSG = mongoose.model('MSG',msgSchema);
  //NOTE: with process.env.USER_ID register my id 
  var userTweet = new MSG({user_id:process.env.USER_ID});
  console.log(userTweet.user_id);
  
  var app = express();
  // Client Twitter
  var client = new Twitter({
  	consumer_key:process.env.TWITTER_CONSUMER_KEY,
  	consumer_secret:process.env.TWITTER_CONSUMER_SECRET,
  	access_token_key:process.env.TWITTER_ACCESS_TOKEN_KEY,
  	access_token_secret:process.env.TWITTER_ACCESS_TOKEN_SECRET
  });
  
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: true }));
  app.use(express.static(__dirname + '/public'));
  
  app.post('/message',function(req,res){
  	var msg = req.body.message;
  	console.log('message',msg);
  	
  	client.post('statuses/update',{status:msg},function(error,tweet,response){
  	if(error){
  		console.log(error);
  		throw error;
  	}
  
  	var msgTweet = new MSG({user_id:userTweet.user_id,message:msg,tweet_id:tweet.id_str}); //create new model 
  	console.log(msgTweet.user_id,msgTweet.message,msgTweet.tweet_id);
  	msgTweet.save(function(err){      //save the message in db
  		if(!err) return ('User saved successfully!');
  	});
  
  	console.log(tweet);
  	res.json(tweet);
  	});
  });
  
  app.get('/message/:message_id',function(req,res){
  	var msg_id = mongoose.Types.ObjectId(req.params.message_id);
  	console.log('message_id: ',msg_id);
  	
  	db.collection('msgs').findOne({'_id':msg_id},function (err,result){
  		if(err){
  			console.log('ERROR!!!!');
  			return;
  		}
  		console.log('Result ',result);
  		client.get('statuses/show',{id:result.tweet_id},function(error,tweets,response){
  			if(error){
  				console.log(error);
  				throw error;
  			}
  		console.log(tweets.text);
  		res.json(tweets.text);
  		});
  	});
  	
  	
  });
  
  app.get('/messages',function(req,res){
  	//var user = process.env.USER_ID;
  	client.get('statuses/user_timeline',{user_id:user},function(error,tweets,response){
  	if(error){
  		console.log(error);
  		throw error;
  	}
  	console.log(tweets);
  	res.json(tweets);
  	});
  });
  
  
  var server = app.listen(3000, function () {
    var host = server.address().address;
    var port = server.address().port;
  
    console.log('Example app listening at http://%s:%s', host, port);
  });
new_contents: var express = require('express');
  var bodyParser = require('body-parser');
  var Twitter = require('twitter');
  //Database Mongodb connect with Mongoose
  var mongoose = require('mongoose');
  mongoose.connect('mongodb://127.0.0.1:27017/msgGlobal/msgs');
  var db = mongoose.connection;
  db.on('error',console.error.bind(console,'connection error: '));
  db.once('connected',function(){
  	console.log('Connected to Database');
  });
  // Example Schema 
  var msgSchema = mongoose.Schema({
  	user_id: String,
  	message: String,
  	tweet_id:String
  });
  
  var MSG = mongoose.model('MSG',msgSchema);
  //NOTE: with process.env.USER_ID register my id 
  var userTweet = new MSG({user_id:process.env.USER_ID});
  console.log(userTweet.user_id);
  
  var app = express();
  // Client Twitter
  var client = new Twitter({
  	consumer_key:process.env.TWITTER_CONSUMER_KEY,
  	consumer_secret:process.env.TWITTER_CONSUMER_SECRET,
  	access_token_key:process.env.TWITTER_ACCESS_TOKEN_KEY,
  	access_token_secret:process.env.TWITTER_ACCESS_TOKEN_SECRET
  });
  
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: true }));
  app.use(express.static(__dirname + '/public'));
  
  app.post('/message',function(req,res){
  	var msg = req.body.message;
  	console.log('message',msg);
  	
  	client.post('statuses/update',{status:msg},function(error,tweet,response){
  	if(error){
  		console.log(error);
  		throw error;
  	}
  
  	var msgTweet = new MSG({user_id:userTweet.user_id,message:msg,tweet_id:tweet.id_str}); //create new model 
  	console.log(msgTweet.user_id,msgTweet.message,msgTweet.tweet_id);
  	msgTweet.save(function(err){      //save the message in db
  		if(!err) return ('User saved successfully!');
  	});
  
  	console.log(tweet);
  	res.json(tweet);
  	});
  });
  
  app.get('/message/:message_id',function(req,res){
  	var msg_id = mongoose.Types.ObjectId(req.params.message_id);
  	console.log('message_id: ',msg_id);
  	
  	db.collection('msgs').findOne({'_id':msg_id},function (err,result){
  		if(err){
  			console.log('ERROR!!!!');
  			return;
  		}
  		console.log('Result ',result.message);
  		client.get('statuses/show',{id:result.tweet_id},function(error,tweets,response){
  			if(error){
  				console.log(error);
  				throw error;
  			}
  		console.log(tweets.text);
  		res.json(tweets.text);
  		});
  	});
  	
  	
  });
  
  app.get('/messages',function(req,res){
  	//var user = process.env.USER_ID;
  	client.get('statuses/user_timeline',{user_id:user},function(error,tweets,response){
  	if(error){
  		console.log(error);
  		throw error;
  	}
  	console.log(tweets);
  	res.json(tweets);
  	});
  });
  
  
  var server = app.listen(3000, function () {
    var host = server.address().address;
    var port = server.address().port;
  
    console.log('Example app listening at http://%s:%s', host, port);
  });
subject: read only message from mongo