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ニコニコのマイリスから再生数を得るやつ

やれること

現在のマイリスの全体再生数をTwitterに投げる

やりたいこと

定期実行
遅延処理(getthumbinfoをディレイなしにリクエストしまくってる)
前回との変化分を表示
鯖に上げて誰でも使えるように

やりかた

マイリスのRSSを取る

page_source = open('http://www.nicovideo.jp/mylist/10180194?rss=2.0', 'r:UTF-8', &:read)

動画のIDの配列を取る

video_ids = page_source.scan(%r!(sm\d+)</link>!).flatten

ひとつの動画のgetthumbinfoにリクエストする

video_page_source = open('http://ext.nicovideo.jp/api/getthumbinfo/sm31097259', 'r:UTF-8', &:read)

再生数を取る

video_page_source.scan(%r!<(?:view_counter|comment_num|mylist_counter)>(\d+)</\w+>!).flatten[0]

ソース

require 'open-uri'
require 'twitter'

client = Twitter::REST::Client.new do |config|
  config.consumer_key        = "ENV['CONSUMER_KEY']"
  config.consumer_secret     = "ENV['CONSUMER_SECRET']"
  config.access_token        = "ENV['ACCESS_TOKEN']"
  config.access_token_secret = "ENV['ACCESS_SECRET']"
end

class Integer
  def formatted
    self.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
  end
end

def message(play_count)
  return "わたしの投稿動画の現在の合計再生数は #{play_count.formatted} です http://www.nicovideo.jp/mylist/10180194 #nicoplaycountsharetool https://gist.github.com/keisei1092/d642a991bd538e80beaabf4721aff51c"
end

video_ids = open('http://www.nicovideo.jp/mylist/10180194?rss=2.0', 'r:UTF-8', &:read)
            .scan(%r!(sm\d+)</link>!)
            .flatten

play_count = video_ids.inject(0) { |sum, video_id|
  thumb_info = open("http://ext.nicovideo.jp/api/getthumbinfo/#{video_id}", 'r:UTF-8', &:read)
  sum = sum + thumb_info
              .scan(%r!<(?:view_counter|comment_num|mylist_counter)>(\d+)</\w+>!)
              .flatten[0]
              .to_i
}

message = message(play_count)

client.update(message)

動かす

イコールの後に適切な値をいれてください

CONSUMER_KEY= CONSUMER_SECRET= OAUTH_TOKEN= OAUTH_SECRET= ruby 20170507_nico_playcount_share_tool.rb
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