модуль ActiveRecord::Normalization

# File activerecord/lib/active_record/normalization.rb, line 26
def normalize_attribute(name)
  # Treat the value as a new, unnormalized value.
  self[name] = self[name]
end

Нормализует указанное свойство, используя его объявленные нормализации.

Примеры

class User < ActiveRecord::Base
  normalizes :email, with: -> email { email.strip.downcase }
end

legacy_user = User.find(1)
legacy_user.email # => " CRUISE-CONTROL@EXAMPLE.COM\n"
legacy_user.normalize_attribute(:email)
legacy_user.email # => "cruise-control@example.com"
legacy_user.save