index.js

var request = require('request').defaults({ encoding: null });
var moment = require('moment');
var Jimp = require('jimp');
var Twit = require('twit')
var accelaConfig = require('./accela-config');
var twitterConfig = require('./twitter-config');

console.log(Date());
var Bot = new Twit(twitterConfig);

var yesterday = moment().subtract(1, 'days').format('YYYY-MM-DD') + ' 00:00:00';
var today = moment().format('YYYY-MM-DD') + ' 00:00:00';

// http request options to make the search for demolition permits to the api
// the search query is specified in the body
var searchOptions = {
  method: 'POST',
  url: 'https://apis.accela.com/v4/search/records/',
  qs: { expand: 'addresses' },
  headers: {
    'cache-control': 'no-cache',
    'content-type': 'application/json',
    'x-accela-appid': '636101632517218736',
    'x-accela-agency': 'Atlanta_Ga',
    'x-accela-environment': 'PROD'
  },
  body: {
    address: { city: 'Atlanta' },
    type: { subType: 'Demolition' },
    openedDateFrom: yesterday,
    openedDateTo: today
  },
  json: true
};

// make the actual search request
request(searchOptions, function (error, response, body) {
  if (error) console.error('error making search', error);
  if (!body.result) {
    console.log('no search results');
    return; // no search results
  }

  for (var i = 0; i < body.result.length; i++) {
    var record = body.result[i];
    var address = record.addresses[0].streetStart + ' ' + record.addresses[0].streetName + ' ' + 
      (record.addresses[0].streetSuffix && record.addresses[0].streetSuffix.text ? record.addresses[0].streetSuffix.text : '');
    var type = record.type.type;
    console.log(record.id)
    var status = type + ' demolition permit for ' + address;
    console.log(status);

    // don't tweet all the result at once by creating a time delay
    staggerTweet(address, status, i * 1000 * 60 * 5);
  }
});

function staggerTweet(street, status, delay) {
  setTimeout(function() { getStreetViewImage(street, status) }, delay);
}

function getStreetViewImage(street, status) {
  var location = encodeURI(street + ', Atlanta, GA');
  // get a street view image from the location using Google Maps API
  request.get('https://maps.googleapis.com/maps/api/streetview?size=600x400&location=' + location, function (error, response, body) {
    if (error) {
      console.error('error getting streetview', error);
    } else {
      // request body is received as image buffer
      addCrossToImageBuffer(body, function(buffer) {
        createTweetWithImage(buffer, status);
      });
    }
  });
}

function addCrossToImageBuffer(streetviewBuffer, cb) {
  // load the preexisint red x image into Jimp
  Jimp.read('cross.png')
  .then(function(cross) {
    // load the streetview image into Jimp
    Jimp.read(new Buffer(streetviewBuffer))
    .then(function(image) {
      // place the red X image on top of the street view image
      image.composite(cross, 0, 0);
      // get a buffer of the image so it can be uploaded to Twitter
      image.getBuffer(Jimp.MIME_JPEG, function(err, buffer) {
        if (err) console.error('error getting Jimp image buffer', err);
        else cb(buffer);
      })
    });
  });
}

function createTweetWithImage(buffer, status) {
  // upload the buffer to Twitter so the file can be attached to a tweet
  Bot.post('media/upload', { media_data: new Buffer(buffer).toString('base64') }, function (err, data, response) {
    if (err) console.error('error uploading image to Twitter', err);
    var mediaIdStr = data.media_id_string
    var meta_params = { media_id: mediaIdStr }
    Bot.post('media/metadata/create', meta_params, function (err, data, response) {
      if (err) {
        console.error('error creating metadata', err);
      } else {
        // now we can reference the media and post a tweet (media will attach to the tweet) 
        var params = { status: status, media_ids: [mediaIdStr] }
        Bot.post('statuses/update', params, function (err, data, response) {
          if (err) console.error('error creating tweet', err);
          else console.log('done tweeting');
        });
      }
    })
  });
}