Module: LogStash::Api::AppHelpers

Defined in:
lib/logstash/api/app_helpers.rb

Instance Method Summary collapse

Instance Method Details

#respond_with(data, options = {}) ⇒ Object

This method handle both of the normal flow *happy path* and the display or errors, if more custom logic is added here it will make sense to separate them.

See ‘#error` method in the `LogStash::Api::Module::Base`



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# File 'lib/logstash/api/app_helpers.rb', line 11

def respond_with(data, options={})
  as     = options.fetch(:as, :json)
  filter = options.fetch(:filter, "")

  status data.respond_to?(:status_code) ? data.status_code : 200

  if as == :json
    if api_error?(data)
      data = generate_error_hash(data)
    else
      selected_fields = extract_fields(filter.to_s.strip)
      data.select! { |k,v| selected_fields.include?(k) } unless selected_fields.empty?
      unless options.include?(:exclude_default_metadata)
        data = data.to_hash
        if data.values.size == 0 && selected_fields.size > 0
          raise LogStash::Api::NotFoundError
        end
        data = default_metadata.merge(data)
      end
    end

    content_type "application/json"
    LogStash::Json.dump(data, {:pretty => pretty?})
  else
    content_type "text/plain"
    data.to_s
  end
end