amigojapan top3 plugin for K5 bot

# encoding: utf-8
# This plugin was developed for the K5 project by amigojapan
# See files README.md and COPYING for copyright and licensing information.

# Example plugin
class String
  def contains_cjk?
    !!(self =~ /\p{Han}|\p{Katakana}|\p{Hiragana}|\p{Hangul}/)
  end
end

require_relative '../../IRCPlugin'
require 'date'

class Top3 < IRCPlugin
  Description = "top3 gives the top 3 Japanese writers of the month (made by amigojapan)"
  Commands = {
    :top3 => "displays the top 3 Japanese writers of the month (made by amigojapan)",
    :rank => "displays the rank of the user",
  }
  Dependencies = [ :StorageYAML ]

  def afterLoad
    @locked = false
    @storage = @plugin_manager.plugins[:StorageYAML]
    @top3 = @storage.read('Top3') || {}
  end

  def beforeUnload
    "Plugin is busy." if @locked
    @storage = nil
    @top3 = nil
  end

  def top3(msg)
    out=""
    unsorted=Array.new
    @top3.each{|data|
      #puts data
      if data[1][1].to_s == Date.today.mon.to_s #display only the entries for the current month
        unsorted.push([data[1][0],data[0]])
      end
    }
    sorted=unsorted.sort.reverse
    #puts sorted
    rank=0
    sorted.take(3).each{|data|
      rank=rank+1
      out=out+" #"+rank.to_s+" "+data[1]+" CJK chars:"+data[0].to_s
    }
    rank=0
    place=0
    sorted.each{|data|
      place=place+1
      if data[1] == msg.nick
        rank=place
      end
    }
    if @top3.include? msg.nick
      current_user = @top3[msg.nick][0]
    else
      current_user = 0
    end
    out=out+" | "
    out=out+msg.nick+"'s CJK count is: " + current_user.to_s
    if rank == 0
      out=out+" "+msg.nick+" has not typed any Japanese this month :("
    else
      out=out+", currently ranked #" + rank.to_s + " of " + place.to_s
    end
    msg.reply  out
    #I added these just to make sure this is not causing the plugin to have a memory leak
    unsorted=nil
    sorted=nil
  end

  def rank(msg)
    person=msg.message.split(/ /)[1]# get parameter
    if person == nil
      person = msg.nick
    end
    out=""
    unsorted=Array.new
    @top3.each{|data|
      #puts data
      if data[1][1].to_s == Date.today.mon.to_s #display only the entries for the current month
        unsorted.push([data[1][0],data[0]])
      end
    }
    sorted=unsorted.sort.reverse
    rank=0
    rank=0
    place=0
    sorted.each{|data|
      place=place+1
      if data[1] == person
        rank=place
      end
    }
    if @top3.include? person
      current_user = @top3[person][0]
    else
      current_user = 0
    end
    out=out+person+"'s CJK count is: " + current_user.to_s
    if rank == 0
      out=out+" "+person+" has not typed any Japanese this month :("
    else
      out=out+", currently ranked #" + rank.to_s + " of " + place.to_s
    end
    msg.reply  out
    #I added these just to make sure this is not causing the plugin to have a memory leak
    unsorted=nil
    sorted=nil
  end

  def count(msg)
    s2=msg.message.split(//)
    chars=0
    s2.each{|s|
        if s.contains_cjk? == true
            chars=chars+1
        end
    }
    if chars > 0
      if @top3.include? msg.nick
        @top3[msg.nick] = [@top3[msg.nick][0]+chars,Date.today.mon]
      else
        @top3[msg.nick] = [chars,Date.today.mon]
      end
      @storage.write('Top3', @top3)
    end
  end

  def on_privmsg(msg)
    if msg.bot_command == :top3
      top3(msg)
    elsif msg.bot_command == :rank
      rank(msg)
    elsif !msg.private? and !msg.bot_command
      count(msg)
    end
  end

end
#todo:
#Add year tracking
#add anual top3
#Add .rank command so we can see what rank other people have(done)