old_contents: var express = require('express');
  var router = express.Router();
  var request = require('request');
  var config = require('../config');
  
  router.get('/', function(req, res) {
    res.render('index', { community: config.community });
  });
  
  router.post('/invite', function(req, res) {
    if (req.body.email) {
      request.post({
          url: 'https://'+ config.slackUrl + '/api/users.admin.invite',
          form: {
            email: req.body.email,
            token: config.slacktoken,
            set_active: true
          }
        }, function(err, httpResponse, body) {
          // body looks like:
          //   {"ok":true}
          //       or
          //   {"ok":false,"error":"already_invited"}
          if (err) { return res.send('Error:' + err); }
          body = JSON.parse(body);
          if (body.ok) {
            res.send('Success! Check "'+ req.body.email +'" for an invite from Slack.');
          } else {
            res.send('Failed! ' + body.error)
          }
        });
    } else {
      res.status(400).send('email is required.');
    }
  });
  
  module.exports = router;
  
new_contents: var express = require('express');
  var router = express.Router();
  var request = require('request');
  var config = require('../config');
  
  router.get('/', function(req, res) {
    res.render('index', { community: config.community });
  });
  
  router.post('/invite', function(req, res) {
    if (req.body.email) {
      request.post({
          url: 'https://'+ config.slackUrl + '/api/users.admin.invite',
          form: {
            email: req.body.email,
            token: config.slacktoken,
            set_active: true
          }
        }, function(err, httpResponse, body) {
          // body looks like:
          //   {"ok":true}
          //       or
          //   {"ok":false,"error":"already_invited"}
          if (err) { return res.send('Erro:' + err); }
          body = JSON.parse(body);
          if (body.ok) {
            res.send('Parabéns! Verifique o email "'+ req.body.email +'" para aceitar o convite do Slack.');
          } else {
            res.send('Erro! ' + body.error)
          }
        });
    } else {
      res.status(400).send('Email é Obrigatório.');
    }
  });
  
  module.exports = router;
  
subject: Update index.js