Module: Monglobal::ClassMethods

Defined in:
lib/monglobal.rb

Instance Method Summary collapse

Instance Method Details

#translates(*args) ⇒ Object 



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# File 'lib/monglobal.rb', line 47

def translates(*args)
  klass_name = "#{name.camelcase}Translation"
  
  # Create the translation model
  translation_model = Class.new do
    include MongoMapper::EmbeddedDocument
    key :locale, String
    args.each do |attr|
      key attr.to_sym, String
    end
  end
  Object.const_set klass_name, translation_model
  
  instance_eval do
    has_many klass_name.underscore.pluralize.to_sym
  end
  
  # Add attributes readers
  class_eval do
    args.each do |attr|
      define_method(attr) do | *params |
        requested_locale = params.first
        requested_locale = I18n.locale if requested_locale.nil?
        if requested_locale == I18n.default_locale
          instance_variable_get("@#{attr}")
        else
          translations = send(klass_name.underscore.pluralize.to_sym)
          translated_attr = nil
          translations.each do |translation|
            translated_attr = translation.send(attr.to_sym) if translation.locale.to_sym == requested_locale
          end
          translated_attr = instance_variable_get("@#{attr}") if translated_attr.nil?
          translated_attr
        end
      end
    end
  end
end