internetee-registry/lib/tasks/convert.rake

namespace :convert do
  desc 'Convert punycodes to unicode'
  task punycode: :environment do
    start = Time.zone.now.to_f
    puts "-----> Convert domain punycodes to unicode..."
    count = 0
    Domain.find_each(:batch_size => 1000) do |x|
      old_name = x.name
      if old_name != SimpleIDN.to_unicode(x.name.strip.downcase)
        x.update_column(:name, (SimpleIDN.to_unicode(x.name.strip.downcase)))
        x.update_column(:name_puny, (SimpleIDN.to_ascii(x.name.strip.downcase)))
        count += 1
        puts "Domain #{x.id} changed from #{old_name} to #{SimpleIDN.to_unicode(old_name)} "
      end
     end
    puts "-----> all done in #{(Time.zone.now.to_f - start).round(2)} seconds. #{count} domains changed."
  end

  desc 'Convert punycodes in history to unicode'
  task history_punycode: :environment do
    DomainVersion.find_each do |d|
       if obj = d.object
         obj["name"]      = SimpleIDN.to_unicode(obj["name"])
         obj["name_puny"] = SimpleIDN.to_ascii(obj["name_puny"])
         d.object = obj
       end
       if (obj_c = d.object_changes).present?
          obj_c["name"].map!{|e| e ? SimpleIDN.to_unicode(e) : e } if obj_c["name"]
          obj_c["name_puny"].map!{|e| e ? SimpleIDN.to_ascii(e) : e } if obj_c["name_puny"]
         d.object_changes = obj_c
       end
      d.save!
    end
  end
end