diff options
Diffstat (limited to 'app/models/concerns/manual_inverse_association.rb')
| -rw-r--r-- | app/models/concerns/manual_inverse_association.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/app/models/concerns/manual_inverse_association.rb b/app/models/concerns/manual_inverse_association.rb new file mode 100644 index 00000000000..0fca8feaf89 --- /dev/null +++ b/app/models/concerns/manual_inverse_association.rb @@ -0,0 +1,17 @@ +module ManualInverseAssociation + extend ActiveSupport::Concern + + module ClassMethods + def manual_inverse_association(association, inverse) + define_method(association) do |*args| + super(*args).tap do |value| + next unless value + + child_association = value.association(inverse) + child_association.set_inverse_instance(self) + child_association.target = self + end + end + end + end +end |