forms-runner/app/mailers/form_submission_confirmation_mailer.rb at 7d379892c148f8f87c1780a91004d6753dade3e1 · govuk-forms/forms-runner · GitHub

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class FormSubmissionConfirmationMailer < GovukNotifyRails::Mailer
  def send_confirmation_email(what_happens_next_markdown:, support_contact_details:, notify_response_id:, confirmation_email_address:, mailer_options:, submission_locale: :en, what_happens_next_markdown_cy: nil, support_contact_details_cy: nil)
    @submission_locale = submission_locale.to_sym
    set_template(template_id)

    set_personalisation(
      title: mailer_options.title,
      what_happens_next_text: what_happens_next_markdown.presence || default_what_happens_next_text,
      what_happens_next_text_cy: what_happens_next_markdown_cy.presence || what_happens_next_markdown.presence || default_what_happens_next_text,
      support_contact_details: format_support_details(support_contact_details).presence || default_support_contact_details_text,
      support_contact_details_cy: format_support_details(support_contact_details_cy || support_contact_details, locale: :cy).presence || default_support_contact_details_text,
      submission_time: mailer_options.timestamp.strftime("%l:%M%P").strip,
      submission_date: I18n.l(mailer_options.timestamp, format: "%-d %B %Y", locale: :en),
      submission_date_cy: I18n.l(mailer_options.timestamp, format: "%-d %B %Y", locale: :cy),
      # GOV.UK Notify's templates have conditionals, but only positive
      # conditionals, so to simulate negative conditionals we add two boolean
      # flags; but they must always have opposite values!
      test: make_notify_boolean(mailer_options.is_preview),
      submission_reference: mailer_options.submission_reference,
      include_payment_link: make_notify_boolean(mailer_options.payment_url.present?),
      payment_link: mailer_options.payment_url || "",
    )

    set_reference(notify_response_id)

    set_email_reply_to(Settings.govuk_notify.form_submission_email_reply_to_id)

    mail(to: confirmation_email_address)
  end

  def format_support_details(support_details, locale: :en)
    phone = support_details.phone
    call_charges_url = support_details.call_charges_url
    email = support_details.email
    url = support_details.url
    url_text = support_details.url_text

    support_details = []
    support_details << normalize_whitespace(phone) if phone.present?
    support_details << "[#{I18n.t('support_details.call_charges', locale: locale)}](#{call_charges_url})" if phone.present?
    support_details << "[#{email}](mailto:#{email})" if email.present?
    support_details << "[#{url_text}](#{url})" if url.present? && url_text.present?

    support_details.compact_blank.join("\n\n")
  end

private

  def default_what_happens_next_text
    I18n.t("mailer.submission_confirmation.default_what_happens_next")
  end

  def default_support_contact_details_text
    I18n.t("mailer.submission_confirmation.default_support_contact_details")
  end

  def make_notify_boolean(bool)
    bool ? "yes" : "no"
  end

  def template_id
    return Settings.govuk_notify.form_filler_confirmation_email_welsh_template_id if @submission_locale == :cy

    Settings.govuk_notify.form_filler_confirmation_email_template_id
  end

  def normalize_whitespace(text)
    text.strip.gsub(/\r\n?/, "\n").split(/\n\n+/).map(&:strip).join("\n\n")
  end
end