basic-server.js

//basic-server.js

var request = require('request');
var q = require('q');
var _ = require('underscore');
var config = require('./config.js');
var Twitter = require('twit');
var express = require('express');
var Bitly = require('node-bitlyapi');

var app = express();

//Set dev-specific values here. 
app.set('port', (process.env.PORT || 8300))
app.get('/*', function(req,res){   
    res.send('Its alive!');
});

var server = app.listen(app.get('port'), function(){
    console.log('Basic-server is listening on port '+app.get('port'));
});

//Need to adjust this config setting to the file you create that holds your config values
//Alternatively, you can hardcode these values, but dont share them.
var client = new Twitter({
    consumer_key:         config.twitter_consumer_key,
    consumer_secret:      config.twitter_consumer_secret,
    access_token:         config.twitter_access_token,
    access_token_secret:  config.twitter_access_token_secret
});


var bitly = new Bitly({
    client_id: config.bitly_id,
    client_secret: config.bitly_secret
});
bitly.setAccessToken(config.bitly_access_token);

var stream = client.stream('user', { track: '@jservicebot' })

stream.on('tweet', function (tweet) {
  var screenName = tweet.user.screen_name;
    if(screenName.toLowerCase === '@jservicebot'){
        //Boot this - we dont want to reply to our own tweets
        return false;   
    }
  //We only want to respond when we are mentioned in a tweet.
  var mentions = tweet.entities.user_mentions;
  _.each(mentions, function(val, i){
    if(val.id === 2991209577){
        sendClue(screenName);
    }
  });
});


var makeUrl = function(clueId){
    var def = q.defer();
    var urlToShorten = 'http://jservice.io/clues/'+clueId;
    bitly.shortenLink(urlToShorten, function(err, results) {
        // Do something with your new, shorter url...
        jsonResults = JSON.parse(results);
        if(typeof(results) != 'undefined'){
            console.log('resolved '+jsonResults.data.url);
            def.resolve(jsonResults.data.url);
        }
    }); 
    return def.promise;
}


var getClue = function(){
    var defered = q.defer();
    request('http://jservice.io/api/random', function(err,resp,body){
        if(!err && resp.statusCode === 200){
            json = JSON.parse(body);
            defered.resolve(json[0]);
        }
    });   
    return defered.promise;
}

var sendClue = function(handle){
    var clue = getClue().then(function(myClue){
        var clueid = myClue.id;
        var answer = myClue.question;
        var category = myClue.category.title;
        var tweetLink = makeUrl(clueid).then(function(link){
            var tweetText = '@'+handle+' '+category+': '+answer+'-'+link;            
            console.log(tweetText);
            if(tweetText.length < 140){

                client.post('statuses/update', { status: tweetText }, function(err, data, response) {
                    console.log(data)
                    if(err) console.log(err)
                })
            }else{
                console.log('too long. trying again');
                sendClue(handle);    
            }
        });
    });
}