functions.js

var request = require('request');
var config = require('./config');

functions = {
  authorize: function(req, res) {
    var header = config.consumerkey + ':' +config.consumersecret;
    var encheader = new Buffer(header).toString('base64');
    var finalheader = 'Basic ' + encheader;

    request.post('https://api.twitter.com/oauth2/token', {form: {'grant_type': 'client_credentials'},
    headers: {Authorization: finalheader}}, function(error, response, body) {
      if(error)
      console.log(error);
      else {
        config.bearertoken = JSON.parse(body).access_token;

        res.json({success: true, data:config.bearertoken});
      }

    })
  },

  search: function(req, res) {
    var searchquery = req.body.query;
    var encsearchquery = encodeURIComponent(searchquery);
    var bearerheader = 'Bearer ' + config.bearertoken;
    request.get('https://api.twitter.com/1.1/search/tweets.json?q=' + encsearchquery +
    '&result_type=recent', {headers: {Authorization: bearerheader}}, function(error, body, response) {
      if(error)
      console.log(error);
      else {

        res.json({success: true, data:JSON.parse(body.body)});
      }
    })
  },
  user: function(req, res){
    var searchquery = req.body.screenname;
    var encsearchquery = encodeURIComponent(searchquery);
    var bearerheader = 'Bearer ' + config.bearertoken;
    request.get('https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=' + encsearchquery + '&count=2', {headers: {Authorization: bearerheader}}, function(error, body, response) {
      if(error)
      console.log(error);
      else {
        res.json({success: true, data:JSON.parse(body.body)});
      }
    })
  }

}

module.exports = functions;