class FetchRemoteStatusService < BaseService def call(url) atom_url, body = FetchAtomService.new.(url) return nil if atom_url.nil? return process_atom(atom_url, body) end private def process_atom(url, body) Rails.logger.debug "Processing Atom for remote status" xml = Nokogiri::XML(body) account = extract_author(url, xml) return nil if account.nil? statuses = ProcessFeedService.new.(body, account) return statuses.first end def extract_author(url, xml) url_parts = Addressable::URI.parse(url) username = xml.at_xpath('//xmlns:author/xmlns:name').try(:content) domain = url_parts.host return nil if username.nil? Rails.logger.debug "Going to webfinger #{username}@#{domain}" return FollowRemoteAccountService.new.("#{username}@#{domain}") end end