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path: root/app/controllers/projects/prometheus_controller.rb
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class Projects::PrometheusController < Projects::ApplicationController
  before_action :authorize_read_project!
  before_action :require_prometheus_metrics!

  def active_metrics
    respond_to do |format|
      format.json do
        matched_metrics = project.prometheus_service.matched_metrics || {}

        if matched_metrics.any?
          render json: matched_metrics
        else
          head :no_content
        end
      end
    end
  end

  private

  def require_prometheus_metrics!
    render_404 unless project.prometheus_service.present?
  end
end