新着ツイートを監視してニコニコのURLを含んでいたらなにかするやつ

vocalonobis_watcher.rb

# 新着ツイートを監視してニコニコのURLを含んでいたらなにかするやつ
#
# Usage
# gem install tweetstream
# CONSUMER_KEY= CONSUMER_SECRET= OAUTH_TOKEN= OAUTH_SECRET= ruby vocalonobis_watcher.rb

require 'tweetstream'

class String
  def includesNicoUrl?
    return self.include? 'nicovideo.jp'
  end
end

TweetStream.configure do |config|
  config.consumer_key       = ENV['CONSUMER_KEY']
  config.consumer_secret    = ENV['CONSUMER_SECRET']
  config.oauth_token        = ENV['OAUTH_TOKEN']
  config.oauth_token_secret = ENV['OAUTH_SECRET']
  config.auth_method        = :oauth
end

VOCALONOBIS = 291513619

TweetStream::Client.new.follow(VOCALONOBIS) do |status|
  url = status
          .uris
          .map(&:expanded_url)
          .map(&:to_s)
          .select(&:includesNicoUrl?)
          .first
          .to_s

  return if url.empty?

  # ここでなにかする
  puts url
end