#!/usr/bin/env ruby

require 'pstore'
@hexe_db = "#{@cache_path}/hexe"

def hexe_get(date)
  hexe = 0
  PStore.new(@hexe_db).transaction do |db|
    hexe = db['hexe'][date.strftime('%Y%m%d')] if db.root?('hexe')
    db.abort
  end
  hexe
end

def hexe_rank( max = 5, sep = ' ', *except )
  hexe = Hash::new(0)
  @diaries.each_value do |diary|
    c = hexe_get(diary.date)
    hexe[diary.date.strftime('%Y%m%d')] = [c, diary.title] if c != 0
  end

  result = []
  hexe.sort{|a,b| (a[1][0])<=>(b[1][0])}.reverse.each_with_index do |ary,idx|
    break if idx >= max
    result << "<strong>#{idx+1}.</strong><a href=\"#{@index}?date=#{ary[0]}\">#{CGI::escapeHTML( ary[0].to_s + " " + ary[1][1] )}</a>(#{ary[1][0].to_s})"
  end
  result.join( sep )
end