JLPT notifier

jlpt_slack.rb

#!/usr/bin/ruby

exit(0) if File.exists?('/root/.jlpt_sent')

require 'net/https'
require 'json'
require 'open-uri'
require 'hpricot'

SLACK_URL = "https://hooks.slack.com/services/xxxxx"

class Pusher
  def initialize
    @uri = URI.parse(SLACK_URL)
    @http = Net::HTTP.new(@uri.host, @uri.port)
    @http.use_ssl = true
  end

  def post_json(content)
    request = Net::HTTP::Post.new(@uri.request_uri, { 'Content-Type' => 'application/json' })
    request.body = { "text" => content }.to_json
    response = @http.request(request)
    response.body
  end
end

pusher = Pusher.new

doc = Hpricot(open("https://news.etest.net.cn/JLPT/1/newslist.htm").read)
doc.search("//table[@class='register']//a").each do |a|
  title = a.inner_text.strip
  if title.include?('2016年12月') and title.include?('报名')
    system('touch /root/.jlpt_sent')
    pusher.post_json(title)
  end
end