football match scores parser

football results parser

#!/usr/bin/env ruby -wKU
# encoding: utf-8

class FootballParser
  require 'rubygems'
  require 'nokogiri'
  require 'open-uri'
  
  URL           = 'http://www.liveresult.ru/'
  ITEM_SELECTOR = '#pane_g_172_football_actual .a .item, #pane_g_172_football_actual .b .item'
  ICON_SELECTOR = 'img.stico'
  
  MONTHES = {
    1  => 'января',
    2  => 'февраля',
    3  => 'марта',
    4  => 'апреля',
    5  => 'мая',
    6  => 'июня',
    7  => 'июля',
    8  => 'августа',
    9  => 'сентября',
    10 => 'октября',
    11 => 'ноября',
    12 => 'декабря'
  }
  
  STATE_ICONS = {
    'st_ns.gif'  => '-', # match didn't start yet
    'st_min.gif' => '=', # match is in progress
    'st_ft.gif'  => '+'  # match is over
  }
  
  Match = Struct.new(:state, :time, :title)
  
  def initialize
    doc = Nokogiri::HTML(open(URL))
    @dates, current_date = {}, Time.now
    
    doc.css(ITEM_SELECTOR).each do |item|
      if item['class'] =~ /date/
        date_ru = item.content
        match = /(\d{1,2}) ([а-я]+) (\d{4})/.match(date_ru)
        current_date = Time.gm(match[3], MONTHES.invert[match[2]], match[1])
      else
        state = item.at_css(ICON_SELECTOR)[:src].split('/').last
        (@dates[current_date] ||= []) << Match.new(
          STATE_ICONS[state],
          item.at_css('.date').content,
          item.at_css('.title a').content
        )
      end
    end
    
    yield self if block_given?
  end
  
  def each_date
    @dates.keys.sort.each do |date|
      date.instance_variable_set('@matches', @dates[date])
      def date.to_s
        strftime('%d.%m.%Y')
      end
      def date.each_match
        @matches.each do |match|
          yield match
        end
      end
      yield date
    end
  end
end

FootballParser.new do |parser|
  parser.each_date do |date|
    puts
    puts date
    puts '*' * 50
    
    date.each_match do |match|
      puts "#{match.state} #{match.time} #{match.title}"
    end
  end
  puts
end