Auto zapping

pop_zap.rb

# -*- coding: utf-8 -*-
require 'rubygems'
require 'socket'
require 'open-uri'
require 'nokogiri'
require 'growl'
require 'ruby-debug'

module PopZap
  LIVE_URL = 'http://tv2ch.nukos.net/tvres.html'
  IGNORE_KEYWORDS = ['BS実況', 'スカパー', '番組']

  def channel_config
    { 'NHK総合' => 1201, 'NHK教育' => 1202, '日本テレビ' => 1204,
      'テレビ朝日' => 1205, 'TBSテレビ' => 1206, 'テレビ東京' => 1207,
      'フジテレビ' => 1208
    }
  end

  def remocon_config
    { :ip => '192.168.0.9', :port => 51013 }
  end

  def popular_channels
    channels = []

    doc = Nokogiri::HTML(open(LIVE_URL))
    trs = doc.css('table.table3 tr')
    trs.each do |tr|
      tds = tr.css('td')
      next unless tds.size > 0

      channel = tds[0].inner_text.gsub("\n", '').gsub('の勢い', '')
      rate = tds[1].inner_text.gsub("\n", '').gsub('res/分', '').to_i
      program = tds[3].inner_text

      matches = channel.match(/#{IGNORE_KEYWORDS.join('|')}/)
      next unless matches.nil?

      channels << { :channel => channel, :rate => rate, :program => program }
    end

    channels.sort {|a, b| a[:rate] <=> b[:rate] }.reverse
  end

  def show(channel)
    channel_id = channel_config[channel]
    raise if channel_id.nil?
    sock = TCPSocket.new remocon_config[:ip], remocon_config[:port]

    sock.write "*is;#{channel_id}\r\n"
    sock.close
  end

  def start
    prev_channel = ''
    loop do
      popular_channel = popular_channels.first
      unless prev_channel == popular_channel
        Growl.notify "#{popular_channel[:program]} - #{popular_channel[:channel]}"
        show popular_channel[:channel]
        prev_channel = popular_channel
      end

      sleep 300
    end
  end
end



include PopZap
start