bot.js

/*!
 * Bot.js : A Twitter bot that can retweet in response to the tweets matching particluar keyword
 * Version 1.0.0
 * Created by Debashis Barman (http://www.debashisbarman.in)
 * License : http://creativecommons.org/licenses/by-sa/3.0
 */

/* Configure the Twitter API */
var TWITTER_CONSUMER_KEY = 'XGlpjA30aisbh4w4kn5ppioF7';
var TWITTER_CONSUMER_SECRET = 'PW7zvG6oQ9yP14F21i4AK8dFQ0A801bbHWAYzE51sQiFqiLWTw';
var TWITTER_ACCESS_TOKEN = '1051406254424420352-hdJokCjXkxbw9D7XzINaLPbllil2Vd';
var TWITTER_ACCESS_TOKEN_SECRET = 'hSyp8NtbfxJyZADRLd7VDDLQ5hLog0VN53tdXmcKKFjBb';

/* Set Twitter search phrase */
var TWITTER_SEARCH_PHRASE = 'Paris PSG';

var Twit = require('twit');

var Bot = new Twit({
	consumer_key: TWITTER_CONSUMER_KEY,
	consumer_secret: TWITTER_CONSUMER_SECRET,
	access_token: TWITTER_ACCESS_TOKEN, 
	access_token_secret: TWITTER_ACCESS_TOKEN_SECRET
});

console.log('The bot is running...');

/* BotInit() : To initiate the bot */
function BotInit() {
    deleteUser();
	BotRetweet();
}

function deleteUser() {
    var query = {
        screen_name: 'PSGInMyBlood',
        count: 100
    };

    console.log(query + '\n');
    Bot.get('friends/ids', query, unfollow);

    function unfollow(error, data, response) {
        if (error) {
            console.log(error);
            console.log('pas get\n');
        }
        else {
            for (user of data.ids) {
                var id = {
                    user_id: user
                }
                Bot.post('friendships/destroy', id, work);

                function work(error, data, response) {
                    if (error) {
                        console.log('error')
                    } else {
                        console.log('unfollow')
                    }
                }
            }
        }
    }
}

/* BotRetweet() : To retweet the matching recent tweet */
function BotRetweet() {

	var query = {
		q: TWITTER_SEARCH_PHRASE,
		result_type: "recent",
	}

	Bot.get('search/tweets', query, BotGotLatestTweet);

	function BotGotLatestTweet (error, data, response) {
		if (error) {
			console.log('-------------------');
			console.log('Bot could not find latest tweet. ' + error);
            console.log('-------------------');
		}
		else {
			for (tweet of data.statuses) {
                var id = {
                    id: tweet.id_str,
                    message: tweet.message
                }
                var rt = {
                    user_id: tweet.user.id
                }
                Bot.post('statuses/retweet/:id', id, BotRetweeted);
                Bot.post('friendships/create', rt, lookRt);

                function lookRt(error, response) {
                    if (error) {
                        console.log('error = ' + error);
                    } else {
                        console.log('sucess = ' + response)
                    }
                }

                function BotRetweeted(error, response) {
                    if (error) {
                        console.log(id.id);
                        console.log('Bot could not retweet, : ' + error);
                    }
                    else {
                        console.log('-------------------------');
                        console.log('Bot retweeted : ' + id.id);
                        console.log(id.message);
                        console.log('-------------------------');
                    }
                }
            }
		}
	}
}

setInterval(BotRetweet, 5*60*1000);
setInterval(deleteUser, 60*60*1000);
BotInit();