はてなお気に入りのフィードのIRC Gateway

hatefav.rb

#!/bin/env ruby
# encoding: utf-8
# Author: kimoto
require 'net/irc'
require 'net/irc/mala'
require 'rss'
require 'open-uri'

class Net::IRC::HateFav < Net::IRC::Server::Session
  def server_name
    "hatefav"
  end

  def main_channel
    "#hatefav"
  end

  def initialize(*args)
    super
  end

  def on_user(m)
    super

    post server_name, MODE, @nick, "+o"
    post @prefix, JOIN, main_channel
    post server_name, MODE, main_channel, "+mto", @nick
    post server_name, MODE, main_channel, "+q", @nick

    @streaming_thread = Thread.start do
      on_new_thread
    end
  end

  def on_new_thread
    last_fetched_at = nil
    wait_time = 60

    while true
      data = open("http://b.hatena.ne.jp/#{@real}/favorite.rss").read
      rss = RSS::Parser.parse(data)

      rss.items.sort_by{ |e|
        e.date
      }.each do |item|
        username = item.dc_creator
        title = [item.title, item.link].join(" - ")
        if last_fetched_at.nil? or last_fetched_at < item.date
          last_fetched_at = item.date
          puts [username, title].join(": ")

          post username, PRIVMSG, main_channel, title
        end
      end

      STDERR.puts "wait time: #{wait_time}"
      sleep wait_time
    end
  end

  def on_disconnected
    @streaming_thread.kill rescue nil
  end
end

Net::IRC::CLI.run(Net::IRC::HateFav, ARGV)