diff options
Diffstat (limited to 'activerecord/lib/active_record/autosave_association.rb')
| -rw-r--r-- | activerecord/lib/active_record/autosave_association.rb | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index 72499ea5b8..476598bf88 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -140,6 +140,23 @@ module ActiveRecord CODE end + def define_non_cyclic_method(name, reflection, &block) + define_method(name) do |*args| + result = true; @_already_called ||= {} + # Loop prevention for validation of associations + unless @_already_called[[name, reflection.name]] + begin + @_already_called[[name, reflection.name]]=true + result = instance_eval(&block) + ensure + @_already_called[[name, reflection.name]]=false + end + end + + result + end + end + # Adds validation and save callbacks for the association as specified by # the +reflection+. # @@ -160,7 +177,7 @@ module ActiveRecord if collection before_save :before_save_collection_association - define_method(save_method) { save_collection_association(reflection) } + define_non_cyclic_method(save_method, reflection) { save_collection_association(reflection) } # Doesn't use after_save as that would save associations added in after_create/after_update twice after_create save_method after_update save_method @@ -178,7 +195,7 @@ module ActiveRecord after_create save_method after_update save_method else - define_method(save_method) { save_belongs_to_association(reflection) } + define_non_cyclic_method(save_method, reflection) { save_belongs_to_association(reflection) } before_save save_method end end @@ -186,7 +203,7 @@ module ActiveRecord if reflection.validate? && !method_defined?(validation_method) method = (collection ? :validate_collection_association : :validate_single_association) - define_method(validation_method) { send(method, reflection) } + define_non_cyclic_method(validation_method, reflection) { send(method, reflection) } validate validation_method end end @@ -303,6 +320,7 @@ module ActiveRecord autosave = reflection.options[:autosave] if records = associated_records_to_validate_or_save(association, @new_record_before_save, autosave) + begin records.each do |record| next if record.destroyed? @@ -322,6 +340,11 @@ module ActiveRecord raise ActiveRecord::Rollback unless saved end + rescue + records.each {|x| IdentityMap.remove(x) } if IdentityMap.enabled? + raise + end + end # reconstruct the scope now that we know the owner's id |