4/1ネタなのでクソコードです

push_imastodon_misaki.rb

# -*- coding: utf-8 -*-
# imastodonにあかり大好きbot的なことをする
#
# usage: push_imastodon_misaki.rb
require 'rubygems'
require 'bundler'
Bundler.require(:default)
Dotenv.load

# CONST
UA = 'Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36' #Chrome


# LTLからタイムラインを検索する
def find_latest_timeline(agent)
  max_id = -1
  contents = []
  tmp = []

  # デフォルトは過去1時間分を収集
  minutes15 = Time.now - 60 * 20
  hour1 = minutes15 - 60 * 40

  # LTLをsearch
  get_uri = ENV['MASTODON_HOST'] + 'api/v1/timelines/public'
  get_params = {'local': true, 'limit': 40}
  # MAX40件しかget出来ないのでループ
  until max_id.nil? do
    res = agent.get(get_uri, get_params)
    JSON.parse(res.body).each {|status|

      created_at = Time.parse(status['created_at'])
      created_at.localtime("+09:00")
      p created_at
      #p status
      # botアカウントは除外
      if status['account']['bot'] == false
          content = (status['spoiler_text'].empty? ? '' : status['spoiler_text'] << ' ') << status['content']
          # リンク削除
          content = content.gsub(/<a href="https:\/\/imastodon\.net\/tags\/(.*)" (.*)>#(.*)<\/a>/) { $3 } # ハッシュタグは残す
          content = content.gsub(/<a href=".*".*>(.*)<\/a>/, "")
          # htmlタグ除去
          content = Nokogiri::HTML(content).xpath("//text()").to_s
          content = content.gsub(/(&amp;|&lt;|&gt;|&quot;|&copy;)/, "")
          # 全角英数、半角カナを変換
          content = NKF.nkf('-m0XZ1 -W -w', content)

          tmp << content
      end

      # 条件に最後のIDを追加
      max_id = status['id']
      get_params['max_id'] = max_id

      if contents.empty? && minutes15 > created_at
        # 20分以内の言葉は重み付け5倍
        contents << tmp << tmp << tmp << tmp << tmp
        tmp = []
      elsif hour1 > created_at
        contents.push tmp
        max_id = nil
        break
      end
    }
  end
  contents.join(" ")
end

# 文字列をmecabを使用して形態素解析
def parse_in_mecab(text)
  # 集計ルール
  target = ['名詞']
  exclude = ['非自立', 'ナイ形容詞語幹', '数']
  exclude_phrase = ['/', '.', ',', ':', '-', '_', '#', '?', '!', 'http', 'https', '://', '(', ')', '₍', '₎', '()','[', ']','ー','一', '～', 'いい' ,'ない']

  result = []
  nm = Natto::MeCab.new
  nm.enum_parse(text).each {|n|
    if target.any? {|t| n.feature.start_with?(t) }
      # 除外する条件
      next if exclude.any? {|e| n.feature.include?(e) }
      next if exclude_phrase.any? {|e| n.surface == e }

      result << n.surface
    end
  }
  result
end


# imastodon
agent = Mechanize.new
agent.user_agent = UA
agent.request_headers = {'accept-language' => 'ja, ja-JP', 'accept-encoding' => 'utf-8'}
agent.request_headers = {'Authorization' => 'Bearer ' + ENV['TB_RANKING_BEARER']}

str = find_latest_timeline(agent)
result = parse_in_mecab(str)
word = result.sample

p word


# toot
res = agent.post(ENV['MASTODON_HOST'] + 'api/v1/statuses', {
  'status': "なんとぉー！#{word} 美咲#{word}大好きっ♪",
  'visibility': 'public'
})
p res.code