Reading and parsing GA Cookie UTMZ

gistfile1.rb

cookie_ga_utmz = cookies['__utmz']

source, medium, campaign, value = nil
splited = cookie_ga_utmz.split("|")
splited.each do |token|
  if token.include?("utmcsr=")
    source = URI.unescape(token.split("utmcsr=")[1])
  elsif token.include?("utmcmd=")
    medium = URI.unescape(token.split("utmcmd=")[1])
  elsif token.include?("utmccn=")
    campaign = URI.unescape(token.split("utmccn=")[1])
  elsif (token.include?("utmctr=") || token.include?("utmcct="))
    #encoding problem when ISO-8859-1, its is ignoring chars like cedilha
    ic = Iconv.new('UTF-8//IGNORE', 'UTF-8')
    value = ic.iconv(URI.unescape(token.split("=")[1]) + ' ')[0..-2]
  end
end
if cookie_ga_utmz.include?("utmgclid=")
  medium = "cpc"
end

name = "#{medium} - #{value}"
case medium
when "(none)"
  name = "Tráfego Direto"
when "referral"
  name = "Links (outros sites) - #{source}#{value}"
when "organic"
  name = "Busca Orgânica - #{value}"
when "cpc"
  name = "Campanhas (CPC) - #{value}"
when "email"
  name = "E-mail"
when "feed", "rss"
  name = "Feed RSS"
end