Example handle_defensio_callback

defender.rb

  # Public: This will take the request object and update the relevant model
  def self.handle_defensio_callback(request)
    query_params = CGI::parse(request.query_string)
    defender_model = query_params['model'].first.strip
    if defender_model.empty?
      raise DefenderError, 'Incorrect url structure; missing callback url param'
    else
      begin
        document = document_from_defensio_callback(request)
        unless document.nil?
          record_to_update = defender_model.constantize.find_by_defensio_sig(document['signature'])
          record_to_update.set_defensio_status(document)
          record_to_update.save
        end
      rescue NameError
        raise DefenderError, "Could not constantize class #{defender_model}"
      rescue ActiveRecord::RecordNotFound
        raise DefenderError, "Could not find #{defender_model.constantize}.id=#{defender_model_id} perhaps it was deleted?"
      end
    end
  end