gistfile1.rb

   def self.available_bikes(distance, id)
      doc = Nokogiri::XML(open("http://www.capitalbikeshare.com/data/stations/bikeStations.xml"))
      # spits out the number of bikes at a given station
      doc.xpath('//station').each do |node|
         if node.children[0].text == "#{id}"
            latitude = node.children[4].text
            distance = distance.round(2)
            longitude = node.children[5].text
            bikes = node.children[12].text
            docks = node.children[13].text
            address = node.children[1].text
            return Hash[distance: "#{distance}mi.", location: "#{latitude}, #{longitude}", bikes: "#{bikes}", docks: "#{docks}", address: "#{address}"]
         end
      end
   end

   def self.update_station_info
      Station.delete_all
      doc = Nokogiri::XML(open("http://www.capitalbikeshare.com/data/stations/bikeStations.xml"))
      doc.xpath('//station').each do |node|
         Station.create(station_id: node.children[0].text.to_i,
            latitude: node.children[4].text.to_f,
            longitude: node.children[5].text.to_f)
      en