hydra/backend/tweet.js

var config = {
    /* Be sure to update the .env file with your API keys. See how to get them: https://botwiki.org/tutorials/how-to-create-a-twitter-app */
      twitter: {
        consumer_key: process.env.CONSUMER_KEY,
        consumer_secret: process.env.CONSUMER_SECRET,
        access_token: process.env.ACCESS_TOKEN,
        access_token_secret: process.env.ACCESS_TOKEN_SECRET
      },
      // public_url: 'https://hydra-editor-v1.glitch.me/'
      public_url: 'https://hydra.ojack.xyz'
    },
    Twit = require('twit'),
    T = new Twit(config.twitter);

const { BitlyClient } = require('bitly');
const bitly = new BitlyClient(process.env.BITLY_ACCESS_TOKEN, {});

module.exports = {
  hello_world: function() {
    T.post('statuses/update', {
      status: 'hello world!'
    }, (err, data, response) => {
      if (err) {
        console.log(err)

      } else {
        console.log(`${data.text} tweeted!`)
      }
    })
  },
  post_chunked: function(obj, callback) {
    //const filePath = path.join(__dirname, `../${fileName}`)
    console.log(`file PATH ${obj.imagePath}`)

    // if returns an error, try replacing local url with public hydra URL
    var publicUrl = obj.url.replace("https://localhost:8000/", config.public_url)

  //  console.log("URL", url, publicUrl)
    bitly
      .shorten(publicUrl)
      .then(function(result) {
        console.log('shortened url', result);
        T.postMediaChunked({
          file_path: obj.imagePath
        }, (err, data, respone) => {
          if (err) {
            console.log(err)
            callback(err)
          } else {
            console.log("mdeia data", data)
            const params = {
              status: result.url,
              media_ids: data.media_id_string
            }
            if(obj.name.length > 0) {
              params.status += ' by ' + obj.name
            }
            if(obj.parent_tweet !== null){
            //  params['in_reply_to_status_id'] = obj.parent_tweet
              params.status += '\n\n(based on ' + 'https://twitter.com/hydra_patterns/status/' + obj.parent_tweet + ')'
            }

            T.post('statuses/update', params, (err, data, respone) => {
              if (err) {
              //  console.log(err)
                callback(err)
              } else {
                data.bitly_hash = result.hash
                callback(null, data)
              }
            })
          }
        })
      })
      .catch(function(error) {
        callback(error)
        console.error('BITLY ERROR', error);
      });
    //

  }
};