# frozen_string_literal: true class Pubsubhubbub::UnsubscribeService < BaseService def call(account, callback) return ['Invalid topic URL', 422] if account.nil? subscription = Subscription.find_by(account: account, callback_url: callback) unless subscription.nil? Pubsubhubbub::ConfirmationWorker.perform_async(subscription.id, 'unsubscribe') end ['', 202] end end