Rails extending ActiveRecord::Base

Question

I\'ve done some reading about how to extend ActiveRecord:Base class so my models would have some special methods. What is the easy way to extend it (step by step tutorial)?<

Answer 1

Rails 5 provides a built-in mechanism for extending ActiveRecord::Base.

This is achieved by providing additional layer:

# app/models/application_record.rb
class ApplicationRecord < ActiveRecord::Base
  self.abstract_class = true
  # put your extensions here
end

and all models inherit from that one:

class Post < ApplicationRecord
end

See e.g. this blogpost.