Rails: Is that possible to define named scope in a module?

Question

Say there are 3 models: A, B, and C. Each of these models has the x attribute.

Is that possible to define a named scope in a module and include this mod

Answer 1

As for Rails 4.x you can use gem scopes_rails

It can generate scopes file and include it to your model.

Also, it can automatically generate scopes for state_machines states.