oneday-tweet.rb

#!/usr/local/bin/ruby -Ku
# -*- coding: utf-8 -*-

$KCODE = 'u' if RUBY_VERSION < '1.9.0'

%w[cgi time rss/2.0 net/https].each do |lib|
  require lib
end

class OneDay
  DEFAULT = {
    :domain => 'twitter.com',
    :port   => 443,
    :path   => "/statuses/user_timeline.rss",
    :ssl    => true
  }

  def initialize(config = {})
    @config = DEFAULT.merge(config)
    @start  = @config[:id].length + 1
    @rotate = true
    default_span
  end

  attr_accessor :to, :from

  def exec
    count    = 1
    result   = []
    connect  = create_connection
    response = nil

    while @rotate
      connect.start { |conn|
        response = conn.request(create_request(count))
      }
      result.unshift(parse_rss(RSS::Parser.parse(response.body)))
      count += 1
    end

    result.flatten
  end

  def parse_rss(rss)
    contents = []

    rss.items.reverse.each do |item|
      break if item.date.day >= @from.day
      if item.date.day <  @to.day
        @rotate = false
        next
      end

      content   = ''
      content  << "[#{item.link}:title=#{item.date.strftime('%H:%M')}]"
      content  << format_tweet(item.title)
      content  << "\n"
      contents << content
    end

    contents
  end

  private

  def default_span
    from = Time.now.to_a
    from[0] = from[1] = from[2] = 0

    @from = Time.local(*from)
    @to   = @from - (60 * 60 * 24)
  end

  def create_connection
    connection = Net::HTTP.new(@config[:domain], @config[:port])
    if @config[:ssl]
      connection.use_ssl     = true
      connection.verify_mode = OpenSSL::SSL::VERIFY_NONE
    end
    connection
  end

  def create_request(page)
    request = Net::HTTP::Get.new(@config[:path] + "?page=" + page.to_s)
    request.basic_auth(@config[:id], @config[:pass])
    request
  end

  def format_tweet(tweet)
    text = tweet[@start..-1].dup
    text = text.gsub(/http(\S+)/) { |link| "[#{link}:title=#{link}]" }
    text = text.gsub(/@(\S+)/) { "[http://#{@config[:domain]}/#{$1}:title=@#{$1}]" }
    text
  end
end

if $0 == __FILE__
  raise if ARGV.size < 2
  puts OneDay.new({:id => ARGV[0], :pass => ARGV[1]}).exec
end