diff options
Diffstat (limited to 'activemodel/lib/active_model/dirty.rb')
-rw-r--r-- | activemodel/lib/active_model/dirty.rb | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index 166cccf161..3f2fd12db7 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -1,6 +1,7 @@ require 'active_model/attribute_methods' require 'active_support/hash_with_indifferent_access' require 'active_support/core_ext/object/duplicable' +require 'active_support/core_ext/object/blank' module ActiveModel # == Active Model Dirty @@ -29,7 +30,7 @@ module ActiveModel # # include ActiveModel::Dirty # - # define_attribute_methods [:name] + # define_attribute_methods :name # # def name # @name @@ -82,6 +83,7 @@ module ActiveModel # in-place attributes. # # person.name_will_change! + # person.name_change # => ['Bill', 'Bill'] # person.name << 'y' # person.name_change # => ['Bill', 'Billy'] module Dirty @@ -98,7 +100,7 @@ module ActiveModel # person.name = 'bob' # person.changed? # => true def changed? - !changed_attributes.empty? + changed_attributes.present? end # List of attributes with unsaved changes. @@ -150,13 +152,15 @@ module ActiveModel # Handle <tt>*_will_change!</tt> for +method_missing+. def attribute_will_change!(attr) + return if attribute_changed?(attr) + begin value = __send__(attr) value = value.duplicable? ? value.clone : value rescue TypeError, NoMethodError end - changed_attributes[attr] = value unless changed_attributes.include?(attr) + changed_attributes[attr] = value end # Handle <tt>reset_*!</tt> for +method_missing+. |