blob: 26b57cae0a29f5437af79de2a98a9a2455b9b414 (
plain) (
tree)
|
|
module ActiveRecord::Associations::Builder
class HasAndBelongsToMany < CollectionAssociation #:nodoc:
def macro
:has_and_belongs_to_many
end
def valid_options
super + [:join_table, :association_foreign_key, :delete_sql]
end
def build
reflection = super
define_destroy_hook
reflection
end
def define_destroy_hook
name = self.name
model.send(:include, Module.new {
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def destroy_associations
association(:#{name}).delete_all
super
end
RUBY
})
end
end
end
|