ActiveModel::Validator

Active Model Validator¶ ↑ A simple base class that can be used along with ActiveModel::Validations::ClassMethods.validates_with class Person include ActiveModel::Validations validates_with MyValidator end class MyValidator < ActiveModel::Validator def validate(record) if some_complex_logic record.errors.add(:base, "This record is invalid") end end private def some_complex_logic # ... end end Any c