google_trends_twitter.js

var http = require('http');
var parser = new (require('xml2js')).Parser({
    trim: true,
    explicitArray: false
});
var colors = require('colors');
var trendingTopics = require('./twitter_trends.js');

var hotTrends = Object.create(trendingTopics, {
    trends: {
        value: {
            urlOpts: {
                host: 'www.google.com',
                path: '/trends/hottrends/atom/hourly',
                headers: {'User-Agent': ''}
            }
        }
    }
});

hotTrends.xmlHandler = function(res, cb) {
    var hotTrendsFeed = '';
    res.on('data', function(chunk) {
        hotTrendsFeed += chunk;
    }).on('end', function() {
        parser.parseString(hotTrendsFeed, function(err, obj) {
            if (err) { throw(err.message); }
            parser.parseString(obj.feed.entry.content['_'], function(err, obj) {
                if (err) { throw(err.message); }
                cb(encodeURIComponent(obj.ol.li[0].span.a['_']));
            });
        })
    })
}

function makeCall(urlOpts, handler, cb) {
    http.get(urlOpts, function(res) {
        handler(res, cb);
    }).on('error', function(e) {
        console.log(e.message);
    });
}

makeCall(hotTrends.trends.urlOpts, hotTrends.xmlHandler, function(query) {
    hotTrends.tweetPath(query);
    makeCall(hotTrends.tweets.urlOpts, hotTrends.jsonHandler, function(tweetsObj) {
        tweetsObj.results.forEach(function(tweet) {
            console.log(tweet.from_user.yellow.bold + ': ' + tweet.text);
        });
    });
});