diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/store.rb | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/store.rb b/activerecord/lib/active_record/store.rb index 03225668da..6fecb06897 100644 --- a/activerecord/lib/active_record/store.rb +++ b/activerecord/lib/active_record/store.rb @@ -11,7 +11,9 @@ module ActiveRecord # of the model. This is very helpful for easily exposing store keys to a form or elsewhere that's # already built around just accessing attributes on the model. # - # Every accessor comes with dirty tracking methods (+key_changed?+, +key_was+ and +key_change+). + # Every accessor comes with dirty tracking methods (+key_changed?+, +key_was+ and +key_change+) and + # methods to access the changes made during the last save (+saved_change_to_key?+, +saved_change_to_key+ and + # +key_before_last_save+). # # NOTE: There is no +key_will_change!+ method for accessors, use +store_will_change!+ instead. # @@ -155,6 +157,24 @@ module ActiveRecord prev_store, _new_store = changes[store_attribute] prev_store&.dig(key) end + + define_method("saved_change_to_#{accessor_key}?") do + return false unless saved_change_to_attribute?(store_attribute) + prev_store, new_store = saved_change_to_attribute(store_attribute) + prev_store&.dig(key) != new_store&.dig(key) + end + + define_method("saved_change_to_#{accessor_key}") do + return unless saved_change_to_attribute?(store_attribute) + prev_store, new_store = saved_change_to_attribute(store_attribute) + [prev_store&.dig(key), new_store&.dig(key)] + end + + define_method("#{accessor_key}_before_last_save") do + return unless saved_change_to_attribute?(store_attribute) + prev_store, _new_store = saved_change_to_attribute(store_attribute) + prev_store&.dig(key) + end end end |