Store cucumber features in gdocs; fetch & run with sinatra

sinatra-features_in_gdocs.rb

#!/usr/bin/ruby

require 'rubygems'
require 'sinatra'
require 'haml'
require 'gdata'

PROJECT_PATH = "/your/project/path"
DOMAIN       = 'your_google_apps_domain_or_blank_for_any_google_account.com'

get '/' do
  if $client && params[:token] && !$token
    $client.authsub_token = params[:token] # extract the single-use token from the URL query params
    $token = $client.auth_handler.upgrade()
    $client.authsub_token = $token
  end
  if $client && $token
    docs_xml = $client.get('http://docs.google.com/feeds/documents/private/full?q=.feature').to_xml
    list = "%ul\n"
    $doc_ids = []
    $doc_titles = []
    docs_xml.elements.each('entry') do |entry|
      # Extract the href value from each <atom:link>
      links = {}
      entry.elements.each('link') do |link|
        links[link.attribute('rel').value] = link.attribute('href').value
      end
      $doc_ids << entry.elements['id'].text
      $doc_titles << entry.elements['title'].text
      updated_at = DateTime.parse(entry.elements['updated'].text) + DateTime.now.offset
      list << "  %li\n"
      list << "    %a{:href => \"#{links['alternate']}\"}Edit\n"
      list << "    %a{:href => \"/#{$doc_ids.size - 1}\"}Cucumber\n"
      list << "    %b #{entry.elements['title'].text}\n"
      list << "    (updated #{updated_at.strftime("%d %b %Y at %I:%M %p")})\n"
    end  
    haml list
  else
    $client ||= GData::Client::DocList.new
    redirect $client.authsub_url(request.url, false, true, DOMAIN)
  end
end

get '/:doc_id' do
  redirect('/') unless $doc_ids && $client
  doc_xml = REXML::Document.new($client.get($doc_ids[params[:doc_id].to_i]).body)
  txt_doc = $client.get(doc_xml.elements["//content"].attribute('src').value + '&exportFormat=txt')
  feature_path = "#{PROJECT_PATH}/features/#{$doc_titles[params[:doc_id].to_i]}"
  file = File.open(feature_path, "w")
  file.print txt_doc.body
  file.close
  `cd #{PROJECT_PATH}\ncucumber -s -f html #{feature_path}`
end

get '/*' do
  redirect('/')
end

__END__

@@ layout
!!! xml
!!!
%html
  %body
    = yield