class ForemanOpenscap::PolicyMailer

def changed_hosts_of_policies(policies)
  hash = @policies.inject({}) do |result, policy|
    result[policy.id] = policy.hosts
    result
  end
  @changed_hosts = []
  hash.each do |key, values|
    values.each do |host|
      @changed_hosts << host if host.scap_status_changed?(::ForemanOpenscap::Policy.find(key))
    end
  end
  @changed_hosts.uniq
end

def policy_summary(options = {})
  set_url
  user = ::User.find(options[:user])
  @time = options[:time] || 1.day.ago
  @policies = ::ForemanOpenscap::Policy.all.reject { |policy| policy.assets.map(&:host).compact.empty? }
  @compliant_hosts = @policies.map { |policy| ::Host.comply_with policy }.flatten
  @incompliant_hosts = @policies.map { |policy| ::Host.not_comply_with policy }.flatten
  changed_hosts_of_policies(@policies)
  if user.nil? || user.mail.nil?
    logger.warn "User with valid email not supplied, mail report will not be sent"
  else
    set_locale_for(user) do
      subject = _("SCAP policies summary")
      mail(:to => user.mail, :subject => subject)
    end
  end
end