Is i开发者_JAVA百科t posible to validate the uniqueness of a child model\'s attribute scoped against a polymorphic relationship?
My question is essentially the same as this one: Polymorphic Association with multiple associations on the same model
When working with a polymorphic association, is it possible to run an include on submodels that are only present in some types?
It\'s driving me crazy. I have 3 models. User, Photo, Comments. Here is what I want to do. A user has many photos and comments
Is there a way to find all Polymorphic models of a specific polymorphic type in Rails?So if I have Group, Event, and Project all with a declaration like:
I changed my photo.rb model to be polymorphic and be usable to all sorts of other models needing to save images and it works fine except I can\'t figure out how to save new attachments properly throug
I have a User model, which belongs to Profile (belongs_to polymorphic). One model comes in two subclasses, but the profile_type in User always correspond to the parent model.
I\'m tempted to say yes. A contrived example, using has_many :through and polymorphs: class Person < ActiveRecord::Base
How do I destroy the association itself and leave the objects being associated alone, while keeping this RESTful?
I have an invoicing system that manages debits and credits. Basically the invoice amount is obtained by the sum of its debits and the balance is derived by taking the sum of its credits and subtractin
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