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path: root/app/services/remove_status_service.rb
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class RemoveStatusService < BaseService
  def call(status)
    remove_from_self(status) if status.account.local?
    remove_from_followers(status)
    remove_from_mentioned(status)
    remove_reblogs(status)

    status.destroy!
  end

  private

  def remove_from_self(status)
    unpush(:home, status.account, status)
  end

  def remove_from_followers(status)
    status.account.followers.each do |follower|
      next unless follower.local?
      unpush(:home, follower, status)
    end
  end

  def remove_from_mentioned(status)
    status.mentions.each do |mention|
      mentioned_account = mention.account

      if mentioned_account.local?
        unpush(:mentions, mentioned_account, status)
      else
        send_delete_salmon(mentioned_account, status)
      end
    end
  end

  def send_delete_salmon(account, status)
    # TODO
  end

  def remove_reblogs(status)
    status.reblogs.each do |reblog|
      RemoveStatusService.new.(reblog)
    end
  end

  def unpush(type, receiver, status)
    redis.zremrangebyscore(FeedManager.key(type, receiver.id), status.id, status.id)
    ActionCable.server.broadcast("timeline:#{receiver.id}", type: 'delete', id: status.id)
  end

  def redis
    $redis
  end
end