prey/gdpr_rails

module PolicyManager
  class PortabilityMailer < ApplicationMailer

    def progress_notification(portability_request_id)
      @portability_request = PortabilityRequest.find(portability_request_id)
      @user = find_user_resource(@portability_request.user_id)

      opts = { from: Config.from_email, to: @user.email, subject: I18n.t("terms_app.mails.progress.subject") }
      opts.merge!({
        template_path: PolicyManager::Config.exporter.mailer_templates[:path].to_s,
        template_name: PolicyManager::Config.exporter.mailer_templates[:progress]
      }) if has_custom_template?(:progress)

      set_mail_lang

      mail(opts)
    end

    def completed_notification(portability_request_id)
      @portability_request = PortabilityRequest.find(portability_request_id)
      @user = find_user_resource(@portability_request.user_id)
      @link = @portability_request.download_link

      opts = { from: Config.from_email, to: @user.email, subject: I18n.t("terms_app.mails.completed.subject") }
      opts.merge!({
        template_path: PolicyManager::Config.exporter.mailer_templates[:path].to_s,
        template_name: PolicyManager::Config.exporter.mailer_templates[:complete]
      }) if has_custom_template?(:complete)

      set_mail_lang

      mail(opts)
    end

    def admin_notification(user_id)
      @user = find_user_resource(user_id)

      opts = { from: Config.from_email, to: Config.admin_email(@user), subject: I18n.t("terms_app.mails.admin.subject", email: @user.email) }
      opts.merge!({
        template_path: PolicyManager::Config.exporter.mailer_templates[:path].to_s,
        template_name: PolicyManager::Config.exporter.mailer_templates[:admin]
      }) if has_custom_template?(:admin)

      set_mail_lang

      mail(opts)
    end

    private

    def set_mail_lang
      I18n.locale = Config.user_language(@user)
    end

    def has_custom_template?(template)
      return false if PolicyManager::Config.exporter.mailer_templates.blank?
      PolicyManager::Config.exporter.mailer_templates[template].present? && PolicyManager::Config.exporter.mailer_templates[:path].to_s.present?
    end

    def find_user_resource(user_id)
      user_model = if Config.user_resource.is_a?(String)
        Config.user_resource.constantize
      else
        Config.user_resource
      end
      user_model.find(user_id)
    end
  end
end