diff options
Diffstat (limited to 'activemodel/lib/active_model/dirty.rb')
| -rw-r--r-- | activemodel/lib/active_model/dirty.rb | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index 0ab8df42f5..90047c3c12 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -26,6 +26,10 @@ module ActiveModel # # define_attribute_methods :name # + # def initialize(name) + # @name = name + # end + # # def name # @name # end @@ -54,7 +58,7 @@ module ActiveModel # # A newly instantiated +Person+ object is unchanged: # - # person = Person.new + # person = Person.new("Uncle Bob") # person.changed? # => false # # Change the name: @@ -115,6 +119,9 @@ module ActiveModel extend ActiveSupport::Concern include ActiveModel::AttributeMethods + OPTION_NOT_GIVEN = Object.new # :nodoc: + private_constant :OPTION_NOT_GIVEN + included do attribute_method_suffix '_changed?', '_change', '_will_change!', '_was' attribute_method_suffix '_previously_changed?', '_previous_change' @@ -170,11 +177,10 @@ module ActiveModel end # Handles <tt>*_changed?</tt> for +method_missing+. - def attribute_changed?(attr, options = {}) #:nodoc: - result = changes_include?(attr) - result &&= options[:to] == __send__(attr) if options.key?(:to) - result &&= options[:from] == changed_attributes[attr] if options.key?(:from) - result + def attribute_changed?(attr, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN) # :nodoc: + !!changes_include?(attr) && + (to == OPTION_NOT_GIVEN || to == __send__(attr)) && + (from == OPTION_NOT_GIVEN || from == changed_attributes[attr]) end # Handles <tt>*_was</tt> for +method_missing+. @@ -183,7 +189,7 @@ module ActiveModel end # Handles <tt>*_previously_changed?</tt> for +method_missing+. - def attribute_previously_changed?(attr, options = {}) #:nodoc: + def attribute_previously_changed?(attr) #:nodoc: previous_changes_include?(attr) end |