Unserialize With Encoding Monkey Patch

monpat_unserialize_active_record.rb

# From http://techtime.getharvest.com/blog/harvest-is-now-on-ruby-1-dot-9-3
class ActiveRecord::Base
  def unserialize_attribute_with_utf8(attr_name)
    traverse = lambda do |object, block|
      if object.kind_of?(Hash)
        object.each_value { |o| traverse.call(o, block) }
      elsif object.kind_of?(Array)
        object.each { |o| traverse.call(o, block) }
      else
        block.call(object)
      end
      object
    end

    force_encoding = lambda do |o|
      o.force_encoding(Encoding::UTF_8) if o.respond_to?(:force_encoding)
    end

    value = unserialize_attribute_without_utf8(attr_name)
    traverse.call(value, force_encoding)
  end
  alias_method_chain :unserialize_attribute, :utf8
end