namespace :devise_guests do

# task to clean out old guest users
# rake devise_guests:delete_old_guest_users[days_old]
# example cron entry to delete users older than 7 days at 2:00 AM every day:
# 0 2 * * * cd /path/to/your/app && /path/to/rake devise_guests:delete_old_guest_users[7] RAILS_ENV=your_env
desc "Removes entries in the users table for guest users that are older than the number of days given."
task :delete_old_guest_users, [:days_old] => [:environment] do |t, args|
  args.with_defaults(:days_old => 7)    
  User.where("guest = ? and updated_at < ?", true, Time.now - args[:days_old].to_i.days).each { |x| x.destroy }
end

end