pulibrary / pdc_describe / 9091a1ae-29be-458c-984a-339d213919c4

class WorkStateTransitionNotification

  attr_reader :group_administrators, :depositor, :to_state, :from_state, :group,

                :work_url, :notification, :users, :id, :current_user_id, :work_title

  def initialize(work, current_user_id)

    @to_state = work.aasm.to_state

    @from_state = work.aasm.from_state

    @depositor = work.created_by_user

    @group = work.group

    @group_administrators = group.administrators.to_a

    @work_url = Rails.application.routes.url_helpers.work_url(work)

    if @work_url.include?("/describe/describe/")

      Rails.logger.error("URL #{@work_url} included /describe/describe/ and was fixed. See https://github.com/pulibrary/pdc_describe/issues/1783")

      @work_url = @work_url.gsub("/describe/describe/", "/describe/")

    end

    @work_title = work.title

    @notification = notification_for_transition

    @id = work.id

    raise(NotImplementedError, "Invalid user ID provided.") if current_user_id.nil?

    @current_user_id = current_user_id

  end

  def send

    return if notification.nil?

    WorkActivity.add_work_activity(id, notification, current_user_id, activity_type: WorkActivity::NOTIFICATION)

  end

    private

      def notification_for_transition

        case to_state

        when :awaiting_approval

          "#{user_tags} [#{work_title}](#{work_url}) is ready for review."

        when :draft

          "#{user_tags} [#{work_title}](#{work_url}) has been created."

        when :approved

          "#{user_tags} [#{work_title}](#{work_url}) has been approved."

        end

      end

      def user_tags

        @user_tags = begin

                      groups_users_for_tags = ["@#{group.code}"]

                      unless group_administrators.include?(depositor)

                        groups_users_for_tags << "@#{depositor.uid}"

                      end

                      groups_users_for_tags.join(", ")

                    end

      end

end