Class: Prosperity::MetricsController

Inherits:
ApplicationController show all
Defined in:
app/controllers/prosperity/metrics_controller.rb

Instance Method Summary collapse

Instance Method Details

#data ⇒ Object 



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# File 'app/controllers/prosperity/metrics_controller.rb', line 38

def data
  ext_name = params.fetch(:extractor, "interval")
  ext_klass = Metric.extractors.fetch(ext_name) do
    render_json_error "Could not find extractor #{ext_name} for #{@metric}. Possible values are #{Metric.extractors.keys.join(", ")}.", 404
    return
  end

  p = Prosperity::Periods::ALL.fetch(period)
  ext = ext_klass.new(@metric, option, start_time, end_time, p)

  data = begin
    ext.to_a
  rescue => e
    logger.error "#{e}\n#{e.backtrace.join("\n")}"
    render_json_error "An exception occured while retrieving data from #{@metric}. #{e}"
    return
  end

  json = {
    data: data,
    key: ext.key,
    uid: ext.uid,
    label: ext.label,
    start_time: p.actual_start_time(start_time).iso8601,
    end_time: p.actual_end_time(end_time).iso8601,
    period_milliseconds: p.duration * 1000
  }
  render json: json
end

#index ⇒ Object 



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# File 'app/controllers/prosperity/metrics_controller.rb', line 7

def index
  @metrics = MetricFinder.all
end

#show ⇒ Object 



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# File 'app/controllers/prosperity/metrics_controller.rb', line 11

def show
  respond_to do |format|
    format.html
    format.json do
      render json: {
        id: @metric.id,
        title: @metric.title,
        options: @metric.options.map do |k, option|
          {key: k}
        end,
        extractors: @metric.extractors.map do |ext|
          {
            key: ext.key,
            url: data_metric_path(id: @metric.id,
                                  extractor: ext.key,
                                  option: option,
                                  period: period,
                                  start_time: start_time,
                                  end_time: end_time),

          }
        end
      }
    end
  end
end