Displaying 1 result from an estimated 1 matches for "rule_description".
Did you mean:
file_description
2007 Jun 18
4
polymorphic validation
Hello
I have 2 models.
link.rb
has_many :categories, :as => :categorized
validates_presence_of :name, :url, :created_at, :category
category.rb
belongs_to :categorized, :polymorphic => true
validates_presence_of :name
Everything seems to work. I select my category from a select tag. The
problem is i don''t know how to validate if category is for example empty
(nothing in a