I want to create a module which provides some common methods to the classes which are inherited from active record base.
Following is the two-way we can achieve it.
1)
module Commentable
def self.extended(base)
base.class_eval do
include InstanceMethods
extend ClassMethods
end
end
module ClassMethods
def test_commentable_classmethod
puts 'test class method'
end
end
module InstanceMethods
def test_commentable_instance_method
puts 'test instance method'
end
end
end
ActiveRecord::Base.extend(Commentable)
2)
module Commentable
def self.included(base)
base.extend(ClassMethods)
end
module ClassMethods
def test_commentable_classmethod
puts 'test class method'
end
end
def test_commentable_instance_method
puts 'test instance methods'
end
end
ActiveRecord::Base.send(:include, Commentable)
Which one is the preferred way to handle this?
And
What to use when?