Crunchyroll bot for IRC

crunchybot.rb

##
#            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
#                    Version 2, December 2004
# 
# Everyone is permitted to copy and distribute verbatim or modified
# copies of this license document, and changing it is allowed as long
# as the name is changed.
# 
#            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
#   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
# 
#  0. You just DO WHAT THE FUCK YOU WANT TO.
##

require 'cinch'
require 'cinch/plugins/login'
require 'open-uri'
require 'nokogiri'
require 'date'

class DateTime
  def time_left(date)
    a = self.to_time - 1*60*60    
    secs  = (a - date.to_time).to_int
    mins  = secs / 60
    hours = mins / 60
    days  = hours / 24

    "#{days} days, #{hours % 24} hours, #{mins % 60} minutes and #{secs % 60} seconds"
  end
  
  def date_of_next
    delta = self > DateTime.now ? 0 : 7
    self + delta
  end
end

class Fixnum
  def fix
    self > 9 ? self.to_s : "0#{self}"
  end
end

class String
  def to_ita
    day_eng = [ 'Sundays',   'Mondays', 'Tuesdays', 'Wednesdays', 'Thursdays', 'Fridays',  'Saturdays' ]
    day_ita = [ 'Domenica',  'Lunedì',  'Martedì',  'Mercoledì',  'Giovedì',   'Venerdì',  'Sabato'    ]
    tim_eng = [ 'days',   'hours', 'minutes', 'seconds' ]
    tim_ita = [ 'giorni', 'ore',   'minuti',  'secondi' ]

    self.tap { |s|
      0.upto(6) { |i| s.gsub! day_eng[i], day_ita[i] }
      0.upto(3) { |i| s.gsub! tim_eng[i], tim_ita[i] }
      s.gsub! 'and', 'e'
    }
  end
end

Cinch::Bot.new {
  configure { |c|
    c.nick     = 'Crunchyroll`'
    c.realname = 'Crunchyroll`'
    c.user     = 'Crunchyroll`'
    c.server   = 'irc.rizon.net'
    c.channels = ['#aggvistnurummor']
    
    c.plugins.plugins  = [Cinch::Plugins::Login]
    c.plugins.options[Cinch::Plugins::Login] = { :password => 'dat_password' }
  }

  on :message, /^.cr (.+)$/i do |m, name|
    begin
      url   = ''
      title = ''
      cr    = 'http://www.uswebproxy.com/index.php?q=aHR0cDovL3d3dy5jcnVuY2h5cm9sbC5jb20vbGluZXVw&hl=3ed'
      Nokogiri::HTML(open(cr)).xpath('//div[@class="anime-grid-item"]').each { |r|
        tmp  = r.xpath('.//a/div/text()').to_s
        if tmp.downcase.include? name.downcase
          title = r.xpath('.//a/div/text()').to_s
          url   = r.xpath('.//a/@href')     .to_s
          break
        end
      }
      raise 'Anime not found' if title.empty? || url.empty?
      
      air  = Nokogiri::HTML(open(url)).xpath('//ul[@id="sidebar_elements"]/li')[1].xpath('.//p')[0].text

      day_literal = air.split('Simulcast on ')[1].split(' ')[0]
      date        = DateTime.parse(air.split('Simulcast on ')[1]).date_of_next

      # m.reply "#{Format(:red, title)} is a series airing on #{Format(:red, 'Crunchyroll')} at #{Format(:red, day_literal)} #{Format(:red, date.hour.fix)}:#{Format(:red, date.min.fix)} which is in #{Format(:red, date.time_left(DateTime.now))}."
      m.reply "#{Format(:red, title)} è una serie trasmessa da #{Format(:red, 'Crunchyroll')} il #{Format(:red, day_literal.to_ita)} alle #{Format(:red, date.hour.fix)}:#{Format(:red, date.min.fix)}, cioè tra #{Format(:red, date.time_left(DateTime.now).to_ita)}."
    rescue
      # m.reply Format(:red, 'Anime not found')
      m.reply Format(:red, 'Anime non trovato')
    end
  end
}.start