require_dependency 'email/message_builder' class SubscriptionMailer < ActionMailer::Base include Email::BuildEmailHelper def confirm_unsubscribe(user, opts={}) unsubscribe_key = UnsubscribeKey.create_key_for(user, "all") build_email user.email, template: "unsubscribe_mailer", site_title: SiteSetting.title, site_domain_name: Discourse.current_hostname, confirm_unsubscribe_link: "#{Discourse.base_url}/unsubscribe/#{unsubscribe_key}" end end