Homeaway Listings to GeoJSON

README.md

homeaway listings

Create a GeoJSON file of HomeAway listings in a bounding box.

Usage

1. Request access to the HomeAway Developer API.
2. Create a new client on the My Clients page.
3. Set the HOMEAWAY_CLIENT_ID and HOMEAWAY_CLIENT_SECRET environment variables in your operating system to your client values.
4. Install Node.js.
5. Download and extract zip file or git clone this repo.
6. From the command line cd into the directory and run npm install.
7. Optionally, change the lowerLeftLatitude, lowerLeftLongitude, upperRightLatitude, upperRightLongitude variables in the index.js file. It is set to the San Juan County, WA by default.
8. Run node index.js to create or update the homeaway-listings.json file.
9. View the homeaway-listings.json file in http://geojson.io.

index.js

var request = require('request')
var turf = require('@turf/helpers')
var fs = require('fs')

var credentials = new Buffer(`${process.env.HOMEAWAY_CLIENT_ID}:${process.env.HOMEAWAY_CLIENT_SECRET}`).toString('base64')

var data = []
var token

request.post('https://ws.homeaway.com/oauth/token', {
  headers: {
    Authorization: 'Basic ' + credentials
  }
}, function (err, res, body) {
  if (err) throw err
  token = JSON.parse(body).access_token
  var opts = {
    json: true,
    qs: {
      lowerLeftLatitude: 48.385442,
      lowerLeftLongitude: -123.296814,
      upperRightLatitude: 48.828566,
      upperRightLongitude: -122.733765,

      pageSize: 30
    },
    headers: {
      Authorization: 'Bearer ' + token
    }
  }
  getData('https://ws.homeaway.com/public/search', opts, function (err, data) {
    if (err) throw err
    else {
      fs.writeFileSync('homeaway-listings.json', JSON.stringify(data, null, 2))
    }
  })
})

function getData (url, opts, cb) {
  if (typeof opts === 'function') {
    cb = opts
    opts = {}
  }
  request.get(url, opts, function (err, res, body) {
    if (err) cb(err)
    if (res.statusCode !== 200) {
      cb('Server responded with: ', res.statusCode, res.statusMessage)
    } else {
      data = data.concat(body.entries.filter(function (entry) {
        return entry.location.country === 'US'
      }).map(convertToGeojson))
      body.page <= body.pageCount && body.nextPage
        ? getData(body.nextPage, {
          json: true,
          headers: {
            Authorization: 'Bearer ' + token
          }
        }, cb)
      : cb(null, turf.featureCollection(data))
    }
  })
}

function convertToGeojson (entry) {
  var point = turf.point([entry.location.lng, entry.location.lat], entry)
  return point
}

package.json

{
  "name": "homeway-listings",
  "version": "1.0.0",
  "dependencies": {
    "@turf/helpers": "^4.3.0",
    "request": "^2.81.0"
  },
  "main": "index.js",
  "bin": "./index.js",
  "license": "Apache-2.0"
}

sample.json