Nested Sinatra resources

gistfile1.rb

require 'sinatra/base'

class Foo < Sinatra::Base
  get '/' do
    'foo'
  end
  
  get '/:id' do
    params.inspect
  end
end

class Routes < Sinatra::Base
  
  get '/' do
    'hello'
  end
  
  get '/biz/:biz_id/foo/?*' do
    request.path_info =~ %r{^/biz/\d*?(/foo)(/.*)}
    params.delete('splat')
    Foo.call(env.merge! 'SCRIPT_NAME' => $1, 'PATH_INFO' => $2, 'rack.request.query_hash' => params)
  end
  
  run!
end