Rails 3 polymorphic association with Carrierwave and Simple Form

Question

I\'m trying to set up a polymorphic association for photo uploads which are processed using Carrierwave. I\'m using Simple Form to build my forms. I feel like the association is

Answer 1

Since your models have_many :images (it should be :images, not :image), you'll want to use nested_forms in your views. You should set up accepts_nested_attributes_for :images on the unit and property models and change the attr_accessible from :image to :image_attributes.

Check out http://railscasts.com/episodes/196-nested-model-form-part-1 for a good guide on getting going with it.