Master Chief wrote:
> I am trying to create a record with association. Within the create
> method, I would also like to pre-populate dependent (has_many) records
> from a template in the database.
I'm not exactly clear what you're doing, but here are some
comments that may help.
> 1. class PrototypeModel < ActiveRecord::Base
> 2. belongs_to :author, :class_name => 'User'
> 3. has_many :departments
> 4. belongs_to :prototype_model
> 5. acts_as_tree :foreign_key => "parent_id"
> 6. end
>
> 1. class Department < ActiveRecord::Base
> 2. validates_presence_of :name, :description
> 3. validates_presence_of :parent_id
> 4. acts_as_tree :foreign_key => "parent_id"
> 5. belongs_to :department
> 6. belongs_to :prototype_model
> 7. end
1. Are the two belongs_to associations that reference their
own class necessary, or can you use the parent association
generated by acts_as_tree?
2. You should use "validates_presence_of :parent" instead.
Using the foreign key will prevent validation when the
parent is new. You have to make sure that either
(1), the foreign-key is non-NULL and points to an existing
record, or (2), that a new parent object is assigned to the
association.
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