app/presenters/statistics_presenter.rb


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class StatisticsPresenter

  def as_json(options={})
    result = {
      'name' => AppConfig.settings.pod_name,
      'version' => AppConfig.version_string,
      'registrations_open' => AppConfig.settings.enable_registrations
    }
    if AppConfig.privacy.statistics.user_counts?
      result['total_users'] = User.count
      result['active_users_halfyear'] = User.halfyear_actives.count
      result['active_users_monthly'] = User.monthly_actives.count
    end
    if AppConfig.privacy.statistics.post_counts?
      result['local_posts'] = self.local_posts
    end
    if AppConfig.privacy.statistics.comment_counts?
      result['local_comments'] = self.local_comments
    end
    Configuration::KNOWN_SERVICES.each do |service, options|
      result[service.to_s] = AppConfig["services.#{service}.enable"]
    end

    result
  end

  def local_posts
    Post.where(:type => "StatusMessage").joins(:author).where("owner_id IS NOT null").count
  end

  def local_comments
    Comment.joins(:author).where("owner_id IS NOT null").count
  end

end