Module: Mobility::Backend::ActiveModel::Dirty

Defined in:
lib/mobility/backend/active_model/dirty.rb

Overview

Dirty tracking for models which include the ActiveModel::Dirty module.

Assuming we have an attribute title, this module will add support for the following methods:

  • title_changed?

  • title_change

  • title_was

  • title_will_change!

  • title_previously_changed?

  • title_previous_change

  • restore_title!

In addition, the private method restore_attribute! will also restore the value of the translated attribute if passed to it.

See Also:

Defined Under Namespace

Modules: ClassMethods

Backend Accessors collapse

Class Method Summary collapse

Class Method Details

.included(backend_class) ⇒ Object

Parameters:

  • backend_class (Class) —

    Class of backend



38
39
40
 
# File 'lib/mobility/backend/active_model/dirty.rb', line 38

def self.included(backend_class)
  backend_class.extend(ClassMethods)
end

Instance Method Details

#write(locale, value, **options) ⇒ Object

Returns Updated value.

Parameters:

  • locale (Symbol) —

    Locale to write

  • value (Object) —

    Value to write

  • options (Hash)

Returns:



26
27
28
29
30
31
32
33
34
 
# File 'lib/mobility/backend/active_model/dirty.rb', line 26

def write(locale, value, **options)
  locale_accessor = "#{attribute}_#{locale}"
  if model.changed_attributes.has_key?(locale_accessor) && model.changed_attributes[locale_accessor] == value
    model.attributes_changed_by_setter.except!(locale_accessor)
  else
    model.send(:attribute_will_change!, "#{attribute}_#{locale}")
  end
  super
end