grabbing the locale from the user's browser

gistfile1.rb

before_filter :set_localization

def set_localization
  # Set the language
  I18n.locale = if session[:locale]
    session[:locale]
  elsif logged_in? && current_member.locale
    current_member.locale.code
  elsif !accepted_languages.empty?
    accepted_languages.first.first
  end
end

def accepted_languages
  return [] if request.env["HTTP_ACCEPT_LANGUAGE"].nil?
  accepted = request.env["HTTP_ACCEPT_LANGUAGE"].split(",")
  accepted.map! { |locale| locale.strip.split(";") }
  accepted.map! do |locale|
    if (locale.size == 2)
      [ locale[0], locale[1].sub(/^q=/, "").to_f ]
    else
      [ locale[0], 1.0 ]
    end
  end
  accepted.sort { |a, b| b[1] <=> a[1] }
  accepted = accepted.map do |locale|
    l = locale[0].split("-")
    locale[0] = l.size > 1 ? "#{l[0]}-#{l[1].upcase}" : l[0]
    locale
  end
end