Module: Perfectline::T9n::TranslatableAttribute::ClassMethods

Defined in:
lib/t9n/active_record/translatable_attribute.rb

Instance Method Summary collapse

Instance Method Details

#build_translated_attribute(attribute, options, real_attribute) ⇒ Object 



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# File 'lib/t9n/active_record/translatable_attribute.rb', line 32

def build_translated_attribute(attribute, options, real_attribute)

  # build key
  key = "#{self.table_name}.#{((options.delete(:to) || attribute).to_s.gsub(/_/, "."))}"
  default = options.delete(:default) || "#{attribute}_default"

  # add the attribute name, default and type
  translated_attributes.store(attribute, {
          :key            => key,
          :default        => default,
          :real_attribute => real_attribute
  })

  # create a separate method for accessing the original column
  if real_attribute
    define_method(default) do
      self[attribute.to_sym]
    end

    define_method("#{default}=") do |value|
      self[attribute.to_sym] = value
    end
  end

  define_method(attribute) do
    read_translatable_attribute(attribute, I18n.locale.to_s)
  end

  define_method("#{attribute}=") do |value|
    write_translatable_attribute(attribute, value, I18n.locale.to_s)
  end

  unless self.base_class.reflect_on_association(:translations)
    has_many :translations,
             :as        => :translatable,
             :dependent => :destroy,
             :autosave  => true
  end

end

#translate_attribute(attribute, options = {}) ⇒ Object 



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# File 'lib/t9n/active_record/translatable_attribute.rb', line 16

def translate_attribute(attribute, options = {})
  if columns_hash.keys.include?(attribute.to_s)
    raise ArgumentError, "#{self.name} already has an attribute named :#{attribute}"
  end

  build_translated_attribute(attribute, options, false)
end

#translate_column(column, options = {}) ⇒ Object 



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# File 'lib/t9n/active_record/translatable_attribute.rb', line 24

def translate_column(column, options = {})
  unless columns_hash.keys.include?(column.to_s)
    raise ArgumentError, "#{self.name} does not respond to column: :#{column}"
  end

  build_translated_attribute(column, options, true)
end

#translated_attributes ⇒ Object 



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# File 'lib/t9n/active_record/translatable_attribute.rb', line 12

def translated_attributes
  @translated_attributes ||= {}
end