app/services/unfollow_service.rb


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# frozen_string_literal: true

class UnfollowService < BaseService
  # Unfollow and notify the remote user
  # @param [Account] source_account Where to unfollow from
  # @param [Account] target_account Which to unfollow
  def call(source_account, target_account)
    follow = source_account.unfollow!(target_account)
    return unless follow
    NotificationWorker.perform_async(build_xml(follow), source_account.id, target_account.id) unless target_account.local?
    UnmergeWorker.perform_async(target_account.id, source_account.id)
  end

  private

  def build_xml(follow)
    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.unfollow_salmon(follow))
  end
end