diff options
| -rw-r--r-- | activemodel/lib/active_model/dirty.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index be2759b141..0b17443219 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -15,6 +15,8 @@ module ActiveModel # * Call <tt>attr_name_will_change!</tt> before each change to the tracked # attribute. # * Call <tt>changes_applied</tt> after the changes are persisted. + # * Call <tt>reset_changes</tt> when you want to reset the changes + # information. # # A minimal implementation could be: # @@ -36,6 +38,10 @@ module ActiveModel # # do persistence work # changes_applied # end + # + # def reload! + # reset_changes + # end # end # # A newly instantiated object is unchanged: @@ -59,6 +65,12 @@ module ActiveModel # person.changed? # => false # person.name_changed? # => false # + # Reset the changes: + # + # person.previous_changes # => {"name" => ["Uncle Bob", "Bill"]} + # person.reload + # person.previous_changes # => {} + # # Assigning the same value leaves the attribute unchanged: # # person.name = 'Bill' |