Count of Google Reader subscribers

count_of_google_reader_subscribers

#!/usr/bin/env ruby

require 'rubygems'
require 'open-uri'
require 'rexml/document'
require 'mechanize'

# ------------------------

YOUR_GOOGLE_ACCOUNT = '[email protected]'
YOUR_GOOGLE_PASSWORD = 'your_password'

RSSES = ["http://hoge.com/?feed=rss2",
            "http://hoge.com/?feed=atom"]

# ------------------------

LOGIN_URL = "https://www.google.com/accounts/ServiceLogin?hl=ja&continue=http://www.google.co.jp/"

agent = Mechanize.new
form = agent.get(LOGIN_URL).forms.first
form.Email = YOUR_GOOGLE_ACCOUNT
form.Passwd = YOUR_GOOGLE_PASSWORD
agent.submit(form)

BASE_PRE = "http://www.google.com/reader/api/0/stream/details?s=feed/"
BASE_POST = "&output=xml&fetchTrends=false"

sum = 0

RSSES.each do |r|
  page = agent.get("#{BASE_PRE}#{r}#{BASE_POST}")
  doc = REXML::Document.new(page.body)
  doc.root.elements.each do |e|
    if (e.attributes['name'] == 'subscribers')
      sum = sum + e.text.gsub(",", "").to_i
    end
  end
end

puts sum