pulibrary / orangelight / 24016876-b24d-4304-a82e-b49d0755d6cd

module Blacklight

  module Document

    module Email

      include ActionView::Helpers::UrlHelper

      def to_email_text

        body = []

        add_bibliographic_text(body)

        add_online_text(body, self[:electronic_access_1display])

        body.join("\n") unless body.empty?

      end

      private

        def add_single_valued_field(body, i18_label, value)

          body << I18n.t(i18_label, value:) if value.present?

        end

        def add_multi_valued_field(body, i18_label, value)

          value.each { |v| add_single_valued_field(body, i18_label, v) } if value.present?

        end

        def add_bibliographic_text(body)

          add_single_valued_field(body, 'blacklight.email.text.title', self[:title_vern_display])

          add_single_valued_field(body, 'blacklight.email.text.title', self[:title_display])

          add_multi_valued_field(body, 'blacklight.email.text.author', self[:author_display])

          add_multi_valued_field(body, 'blacklight.email.text.publish', self[:pub_created_display])

          add_multi_valued_field(body, 'blacklight.email.text.format', self[:format])

        end

        def add_online_text(body, links_field)

          if links_field.present?

            body << I18n.t('blacklight.email.text.online')

            links = JSON.parse(links_field)

            links.each do |url, text|

              link = "#{text[0]}: #{url}"

              link = "#{text[1]} - " + link if text[1]

              body << "\t" + link

            end

          end

        end

    end

  end

end