gistfile1.txt

    error 500 do
      err = env['sinatra.error']
      error_list = err.message
      error_type = 'code_error'
      if (err.is_a?(DataMapper::SaveFailureError))
          error_list = err.resource.errors.select { |i| true } # all errors
          error_type = 'save_error'
      end
      respond_with(:code => response.status,
                   :error_type => error_type,
                   :error_detail => error_list)
    end