A Ruby script to connect Jawbone Up to Foursquare.

foursquare_up.rb

#!/usr/bin/env ruby

##
# This script searches the (unofficial) Jawbone API for new meal checkins and posts
# them to Foursquare. Set your crontab to run it hourly for best results.
#
# I'm kind of hoping Jawbone adds this functionality to the Up app in the near
# future, because, let's be honest, this is pretty kludgy.
#
# `gem install httparty foursquare2` to begin

require 'httparty'
require 'foursquare2'

# create your own foursquare app (https://foursquare.com/developers/apps) to generate an access token
# (or just use mine: http://37i.net/foursquare_oauth.php)
foursquare_token = ''

# jawbone login credentials
jawbone_email = '[email protected]'
jawbone_password = ''

# log in to jawbone API
if (jawbone_token = HTTParty.post("https://jawbone.com/user/signin/login", { query:
  { service: "nudge", email: jawbone_email, pwd: jawbone_password } })['token']).nil?
  puts "Failed to login to Jawbone API"
  exit
end

# date can be passed as first argument
date = ARGV[0] ? DateTime.parse(ARGV[0]) : DateTime.now

# fetch today's meals and filter down to the past hour
response = HTTParty.get("https://jawbone.com/nudge/api/v.1.31/users/@me/meals", :query => { :date => date.strftime("%Y%m%d") }, :headers => { "x-nudge-token" => jawbone_token })
recent_meals = (response['data']['items'] || []).select { |m| m['time_completed'].to_i > Time.now.to_i - 3600 }

exit if recent_meals.length < 1

# fetch foursquare checkins from the past 12 hours
fs = Foursquare2::Client.new(:oauth_token => foursquare_token)
todays_checkins = fs.user_checkins(:afterTimestamp => date.to_time.to_i - 43200).items.collect { |c| c.venue.id }

recent_meals.each do |meal|
  # if meal is tagged with a place name other than home, assume it's a foursquare venue
  if meal['place_name'] and meal['place_type'].downcase != "home" and meal['place_name'].downcase != "home"
    # search foursquare for the place
    ll = "#{meal['place_lat']},#{meal['place_lon']}"
    venue = fs.search_venues(:ll => ll, :query => meal['place_name']).groups.first.items.first rescue nil

    # if a venue is found and it hasn't been checked into today, do so now
    if venue and !todays_checkins.include? venue.id
      fs.add_checkin(:venueId => venue.id, :broadcast => 'public', :ll => ll)
    end
  end
end