Hashing Passwords with Virtus as a Service

hashed_password.rb

require 'bcrypt'

class HashedPassword < Virtus::Attribute::String
  class Hashed < Virtus::Attribute::Writer::Coercible
    def coerce(value)
      BCrypt::Password.create(value)
    end
  end

  lazy true # No idea what this does. I found it in spec/integration/custom_attributes_spec.rb

  def self.writer_class(*)
    Hashed
  end
end

user.rb

require 'virtus'
require 'hashed_password'

class User
  include Virtus
  
  attribute :email, String
  attribute :password, HashedPassword
end