0simの今月の使用量を取ってくるrubyスクリプト

0sim_get_use_month.rb

require 'nokogiri'
require 'mechanize'

loginid = ''
password = ''
agent = Mechanize.new
agent.user_agent_alias = 'Mac Safari 4'
agent.get('https://www.so-net.ne.jp/retail/u/userMenu/') do |page|

  login = page.form_with(:name => 'Login') do |form|
    form.field_with(:name => 'IDToken1').value = loginid
    form.field_with(:name => 'IDToken2').value = password
  end.click_button

  form = login.form_with(:name => "userUsageActionForm")
  data = form.click_button(form.button_with(:value => 'ご利用状況確認'))

  doc = Nokogiri::HTML(data.body)
  text = doc.xpath('//div[@class="guideSignElem"]')
  perse_text = text.children[1].text.gsub(" ", "").delete("\r\n").delete("\t")

  use_month = perse_text.split(/[-"MB"]/).reject(&:empty?)
  if use_month[0].delete("今月のデータ使用量(速報値)") == "" then
    p 0
  else
    p use_month[0].delete("今月のデータ使用量(速報値)").to_i
  end

end