diff options
Diffstat (limited to 'activerecord/lib/active_record/dirty.rb')
| -rw-r--r-- | activerecord/lib/active_record/dirty.rb | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/dirty.rb b/activerecord/lib/active_record/dirty.rb index 7e246e62ca..ae573799ae 100644 --- a/activerecord/lib/active_record/dirty.rb +++ b/activerecord/lib/active_record/dirty.rb @@ -34,8 +34,10 @@ module ActiveRecord # person.name << 'by' # person.name_change # => ['uncle bob', 'uncle bobby'] module Dirty + DIRTY_SUFFIXES = ['_changed?', '_change', '_will_change!', '_was'] + def self.included(base) - base.attribute_method_suffix '_changed?', '_change', '_will_change!', '_was' + base.attribute_method_suffix *DIRTY_SUFFIXES base.alias_method_chain :write_attribute, :dirty base.alias_method_chain :save, :dirty base.alias_method_chain :save!, :dirty @@ -44,6 +46,8 @@ module ActiveRecord base.superclass_delegating_accessor :partial_updates base.partial_updates = true + + base.send(:extend, ClassMethods) end # Do any attributes have unsaved changes? @@ -161,5 +165,19 @@ module ActiveRecord old != value end + module ClassMethods + def self.extended(base) + base.metaclass.alias_method_chain(:alias_attribute, :dirty) + end + + def alias_attribute_with_dirty(new_name, old_name) + alias_attribute_without_dirty(new_name, old_name) + DIRTY_SUFFIXES.each do |suffix| + module_eval <<-STR, __FILE__, __LINE__+1 + def #{new_name}#{suffix}; self.#{old_name}#{suffix}; end + STR + end + end + end end end |