diff options
Diffstat (limited to 'activerecord/lib/active_record/touch_later.rb')
-rw-r--r-- | activerecord/lib/active_record/touch_later.rb | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/touch_later.rb b/activerecord/lib/active_record/touch_later.rb new file mode 100644 index 0000000000..9a80a63e28 --- /dev/null +++ b/activerecord/lib/active_record/touch_later.rb @@ -0,0 +1,58 @@ +module ActiveRecord + # = Active Record Touch Later + module TouchLater + extend ActiveSupport::Concern + + included do + before_commit_without_transaction_enrollment :touch_deferred_attributes + end + + def touch_later(*names) # :nodoc: + raise ActiveRecordError, "cannot touch on a new record object" unless persisted? + + @_defer_touch_attrs ||= timestamp_attributes_for_update_in_model + @_defer_touch_attrs |= names + @_touch_time = current_time_from_proper_timezone + + surreptitiously_touch @_defer_touch_attrs + self.class.connection.add_transaction_record self + + # touch the parents as we are not calling the after_save callbacks + self.class.reflect_on_all_associations(:belongs_to).each do |r| + if touch = r.options[:touch] + ActiveRecord::Associations::Builder::BelongsTo.touch_record(self, r.foreign_key, r.name, touch, :touch_later) + end + end + end + + def touch(*names, time: nil) # :nodoc: + if has_defer_touch_attrs? + names |= @_defer_touch_attrs + end + super(*names, time: time) + end + + private + + def surreptitiously_touch(attrs) + attrs.each { |attr| write_attribute attr, @_touch_time } + clear_attribute_changes attrs + end + + def touch_deferred_attributes + if has_defer_touch_attrs? && persisted? + touch(*@_defer_touch_attrs, time: @_touch_time) + @_defer_touch_attrs, @_touch_time = nil, nil + end + end + + def has_defer_touch_attrs? + defined?(@_defer_touch_attrs) && @_defer_touch_attrs.present? + end + + def belongs_to_touch_method + :touch_later + end + + end +end |