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| author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2013-09-23 10:59:05 -0300 |
|---|---|---|
| committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2013-09-23 10:59:05 -0300 |
| commit | 9aa1a3d85327fa0a3055b5b757a0be092ce582f7 (patch) | |
| tree | 963c86f32493da238498a52798c0c6018addd144 /activemodel/lib | |
| parent | 782055674a975e54846bcc103eac023ac84b046b (diff) | |
| download | rails-9aa1a3d85327fa0a3055b5b757a0be092ce582f7.tar.gz rails-9aa1a3d85327fa0a3055b5b757a0be092ce582f7.tar.bz2 rails-9aa1a3d85327fa0a3055b5b757a0be092ce582f7.zip | |
Merge pull request #10816 from bogdan/less-dirty-dirty
Make AM::Dirty less dirty to plugin into AR or other library
Diffstat (limited to 'activemodel/lib')
| -rw-r--r-- | activemodel/lib/active_model/dirty.rb | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index ea5ddf71de..be2759b141 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -14,13 +14,7 @@ module ActiveModel # track. # * Call <tt>attr_name_will_change!</tt> before each change to the tracked # attribute. - # - # If you wish to also track previous changes on save or update, you need to - # add: - # - # @previously_changed = changes - # - # inside of your save or update method. + # * Call <tt>changes_applied</tt> after the changes are persisted. # # A minimal implementation could be: # @@ -39,8 +33,8 @@ module ActiveModel # end # # def save - # @previously_changed = changes - # @changed_attributes.clear + # # do persistence work + # changes_applied # end # end # @@ -129,7 +123,7 @@ module ActiveModel # person.save # person.previous_changes # => {"name" => ["bob", "robert"]} def previous_changes - @previously_changed + @previously_changed ||= {} end # Returns a hash of the attributes with unsaved changes indicating their original @@ -154,6 +148,18 @@ module ActiveModel private + # Removes current changes and makes them accessible through +previous_changes+. + def changes_applied + @previously_changed = changes + @changed_attributes = {} + end + + # Removes all dirty data: current changes and previous changes + def reset_changes + @previously_changed = {} + @changed_attributes = {} + end + # Handle <tt>*_change</tt> for +method_missing+. def attribute_change(attr) [changed_attributes[attr], __send__(attr)] if attribute_changed?(attr) |