def pipeline_finished(pipeline, recipients = nil)
    return if pipeline.status == "success"

    email_template = "pipeline_#{pipeline.status}_email"

    return unless mailer.respond_to?(email_template)

    recipients ||= build_recipients(
      pipeline,
      pipeline.project,
      nil, # The acting user, who won't be added to recipients
      action: pipeline.status).map(&:notification_email)

    if recipients.any?
      mailer.public_send(email_template, pipeline, recipients).deliver_later
    end
  end