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
|
# This class is inherited by the has_one and belongs_to association classes
module ActiveRecord::Associations::Builder
class SingularAssociation < Association #:nodoc:
def self.valid_options(options)
super + [:remote, :dependent, :primary_key, :inverse_of]
end
def self.define_accessors(model, reflection)
super
define_constructors(model.generated_association_methods, reflection.name) if reflection.constructable?
end
# Defines the (build|create)_association methods for belongs_to or has_one association
def self.define_constructors(mixin, name)
mixin.class_eval <<-CODE, __FILE__, __LINE__ + 1
def build_#{name}(*args, &block)
association(:#{name}).build(*args, &block)
end
def create_#{name}(*args, &block)
association(:#{name}).create(*args, &block)
end
def create_#{name}!(*args, &block)
association(:#{name}).create!(*args, &block)
end
CODE
end
end
end
|
