* Ben Johnson <rails-mailing-list@andreas-s.net> [2009-01-09 01:13:53 +0100]:
Category.has_many :products
Let's say a product must belong to a category. I know it is recommended to do the following:
class Product validates_presence_of :category_id end
But, as we all know, this is a pain for new records, meaning what if the associated category is a new record?
I've been meaning to ask this, but what's wrong with doing the following:
class Product validates_presence_of :category end
In this case you may need validates_associated or write your own validation by def validate.