blob: a30e2dab262084f86510935aa3e57879ca7b4810 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
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]
end
def build
reflection = super
define_destroy_hook
reflection
end
private
def define_destroy_hook
name = self.name
model.send(:include, Module.new {
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def destroy_associations
association(#{name.to_sym.inspect}).delete_all
super
end
RUBY
})
end
end
end
|