Lunchme hubot script

lunchme.coffee

# Where we gonna go for lunch?
#
# lunch me <zipcode> - get a random lunch result based on your zipcode

module.exports = (robot) ->

  robot.respond /lunch me( (\d+))/i, (msg) ->
    zipcode = msg.match[2]

    msg.http("http://lunchme.herokuapp.com/?zipcode=" + zipcode)
      .get() (err, res, body) ->

        if body == ""
            msg.send "Uh oh. There was an error getting results."
            return false
        
        if body
            picks = JSON.parse(body)

            if picks.length > 0
                pick = picks[Math.floor(Math.random() * picks.length)]
                msg.send "#{pick.name} (#{pick.rating} stars) #{pick.url}"

                location = "#{pick.address} #{zipcode}"
                mapUrl   = "http://maps.google.com/maps/api/staticmap?markers=" +
                            escape(location) +
                            "&size=400x400&maptype=roadmap" +
                            "&sensor=false" +
                            "&format=png" # So campfire knows it's an image

                msg.send mapUrl
            else
                msg.send "Can't find anything :("