Uh ... ended up changing things to use the Has Many Through association
... now it all works and looks like this:
#Created a parties table
class CreateParties < ActiveRecord::Migration
def change
create_table :parties do |t|
t.string :type
t.timestamps
end
end
end
#created a join table to associate one party to another
class CreateAssociatedParties < ActiveRecord::Migration
def change
create_table :associated_parties do |t|
t.integer :association_type_id
t.integer :parent_id
t.integer :child_id
end
end
end
#With a Party class like this using hmt
class Party < ActiveRecord::Base
has_many :primary_associations, :foreign_key => 'parent_id',
:class_name => 'AssociatedParty',
:dependent => :destroy
has_many :children, :through => :primary_associations
has_many :secondary_associations, :foreign_key => 'child_id',
:class_name => 'AssociatedParty',
:dependent => :destroy
has_many :parents, :through => :secondary_associations
end
#And the join class like this
class AssociatedParty < ActiveRecord::Base
belongs_to :parent, :class_name => "Party"
belongs_to :child, :class_name => "Party"
end
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