server.js

var restify = require('restify');
var mongoose = require('mongoose');

mongoose.connect('mongodb://localhost/hackathon')
var db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'))
db.once('open', function() {
  console.log('Connection established !')
})

var server = restify.createServer()

server.use(restify.bodyParser({ mapParams: false }))

var fakenewsSchema = mongoose.Schema({
  speech: String,
  link: String,
  status: String,
  date: Date,
  meta: [],
  source: String,
  score: Number
})

var Fakenews = mongoose.model('Fakenews', fakenewsSchema)

server.post('/fakenews', function create(req, res, next) {

  Fakenews.findOne({ 'link': req.body.result.parameters.url }, function (err, fakenews) {
    if (err) return handleError(err)

    if (fakenews !== null) {
      fakenews.score = fakenews.score + 1
      fakenews.save(function (err, updateNews) {
        if (err) return handleError(err)
          res.send(200, `{
"speech": "Barack Hussein Obama II is the 44th and current President of the United States.",
"displayText": "Barack Hussein Obama II is the 44th and current President of the United States, and the first African American to hold the office. Born in Honolulu, Hawaii, Obama is a graduate of Columbia University   and Harvard Law School, where ",
"data": {...},
"contextOut": [...],
"source": "DuckDuckGo"
}`)
          return next()
        })
    } else {
      var news = new Fakenews({
        speech: req.body.result.speech,
        link: req.body.result.parameters.url,
        status: 'new',
        date: req.body.timestamp,
        meta: [],
        source: null,
        score: 0
      })

      news.save(function (err, news) {
        if (err) return console.error(err)
        
        var resBody = {
          speech: "Nous n'navons pas d'informations sur ce sujet, nos journalistes vont traiter votre demande",
          displayText: "myMessage",
          source: "webhook"
        } 

        res.contentType = 'json'
        res.send(200, resBody)
        return next()
      })
    }
  });

  /*var resBody = `{
"speech": "Barack Hussein Obama II is the 44th and current President of the United States.",
"displayText": "Barack Hussein Obama II is the 44th and current President of the United States, and the first African American to hold the office. Born in Honolulu, Hawaii, Obama is a graduate of Columbia University   and Harvard Law School, where ",
"data": {...},
"contextOut": [...],
"source": "DuckDuckGo"
}`)
  return next()*/
})

server.listen(8080, function() {
  console.log('%s listening at %s', server.name, server.url);
});