activemodel-immutable_validator
Validate immutable attributes.
Usage
Add to your Gemfile:
gem 'activemodel-immutable_validator'Run:
bundle install
Then add the followng to your model which belongs to a user:
validates :attr, immutable: trueSample
A human cannot become a bot vice versa.
class User < ActiveRecord::Base
validated :type, immutable: true
end
class Bot < User
end
class Human < User
end