I18n scoped wrapper for rails & ActiveRecord

translation_utility.rb

class TranslationUtility
  attr_accessor :options

  def initialize scope_or_object, opts={}
    @options = {
      :scope => get_scope(scope_or_object),
      :raise => true
    }.merge(opts)
  end

  def method_missing *args
    translate args.first
  end

  def translate key
    I18n.translate key, options
  end
  alias_method :t, :translate

  protected
    def get_scope arg
      arg.kind_of?(ActiveRecord::Base) ? arg.class : arg
    end
end