gistfile1.txt

class Google
  def self.geocode(address)
    puts "address: #{address}"
    @resp = client.get do |req|
      req.url 'geocode/json'
      req.params[:address] = address
      req.params[:sensor] = false
    end
    @address = @resp.body['results'].first
    {
      street: "#{address_part('street_number')} #{address_part('route')}",
      city: address_part('administrative_area_level_2'),
      state: address_part('administrative_area_level_1'),
      postal_code: address_part('postal_code'),
      coordinates: @address['geometry']['location'].slice('lat', 'lng').values
    }.reject{|k, v| v.blank? }
  end

  protected

  def self.address_part(name)
    begin
      part = @address['address_components'].select{|addr| addr['types'].include?(name)}
      part.first['short_name'] if part.present?
    rescue StandardError => err
      # puts '*' * 80
      # puts err.inspect
      # puts @address.inspect
      puts @resp.body.inspect
      # puts err.backtrace.join("\n")
    end
  end

  def self.client
    @client ||= Faraday.new 'http://maps.googleapis.com/maps/api' do |conn|
      conn.use FaradayMiddleware::EncodeJson
      conn.use FaradayMiddleware::ParseJson
      conn.use FaradayMiddleware::Instrumentation
      # conn.use Faraday::Response::Logger
      conn.adapter Faraday.default_adapter
    end
  end
end