diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/has_one_through_association.rb')
-rw-r--r-- | activerecord/lib/active_record/associations/has_one_through_association.rb | 46 |
1 files changed, 20 insertions, 26 deletions
diff --git a/activerecord/lib/active_record/associations/has_one_through_association.rb b/activerecord/lib/active_record/associations/has_one_through_association.rb index e9dc32efd3..fdf8ae1453 100644 --- a/activerecord/lib/active_record/associations/has_one_through_association.rb +++ b/activerecord/lib/active_record/associations/has_one_through_association.rb @@ -1,42 +1,36 @@ -require "active_record/associations/through_association_scope" - module ActiveRecord # = Active Record Has One Through Association module Associations - class HasOneThroughAssociation < HasOneAssociation - include ThroughAssociationScope + class HasOneThroughAssociation < HasOneAssociation #:nodoc: + include ThroughAssociation - def replace(new_value) - create_through_record(new_value) - @target = new_value + def replace(record) + create_through_record(record) + self.target = record end private - def create_through_record(new_value) #nodoc: - ensure_not_nested + def create_through_record(record) + ensure_not_nested - klass = @reflection.through_reflection.klass + through_proxy = owner.association(through_reflection.name) + through_record = through_proxy.send(:load_target) - current_object = @owner.send(@reflection.through_reflection.name) + if through_record && !record + through_record.destroy + elsif record + attributes = construct_join_attributes(record) - if current_object - new_value ? current_object.update_attributes(construct_join_attributes(new_value)) : current_object.destroy - elsif new_value - if @owner.new_record? - self.target = new_value - through_association = @owner.send(:association_instance_get, @reflection.through_reflection.name) - through_association.build(construct_join_attributes(new_value)) - else - @owner.send(@reflection.through_reflection.name, klass.create(construct_join_attributes(new_value))) + if through_record + through_record.update_attributes(attributes) + elsif owner.new_record? + through_proxy.build(attributes) + else + through_proxy.create(attributes) + end end end - end - - private - def find_target - with_scope(@scope) { @reflection.klass.find(:first) } - end end end end |