@@ -62,20 +62,28 @@ end # I adjusted the logic a little bit, a person cannot borrow a car, only family can. class Dvd < ActiveRecord::Base - has_one: owner, :through => ownables - has_one: borrower, :through => borrowed_items + via_polymorphs do + has_one: owner, :through => ownables + has_one: borrower, :through => borrowed_items + end end class Car < ActiveRecord::Base - has_one: owner, :through => ownables - has_one: borrower, :through => borrowed_items + via_polymorphs do + has_one: owner, :through => ownables + has_one: borrower, :through => borrowed_items + end end class Book < ActiveRecord::Base - has_one: owner, :through => ownables - has_one: borrower, :through => borrowed_items + via_polymorphs do + has_one: owner, :through => ownables + has_one: borrower, :through => borrowed_items + end end +If you don't like the via_polymorphs do ... end block, you can use polymorphically_has_many, polymorphically_has_one, and polymorphically_has instead. + Few more lines of code, but no extra model, and we see what we have now: p = Person.create README bc49db9fda6140183107a696953337ee7fbbc8a8 Duc Duong duc@DucOnRails.(none) http://github.com/ducduong/polymorphic_association/commit/ddc5095b6659d0ce188ccbb96325949f4b8e6fb8 ddc5095b6659d0ce188ccbb96325949f4b8e6fb8 2008-07-14T22:34:18-07:00 2008-07-14T22:34:18-07:00 update README e5aaa727597749489ec791b6f8d89c009c0f24ce Duc Duong duc@DucOnRails.(none)