gistfile1.rb

class EmailVerification < ActiveRecord::Base
    belongs_to :user
    before_validation :default_values

    UUID_GEN = UUID::Client.new '/tmp/uuid.sock'

    validates :user_id, :presence => true

    def verify!
        self.verified = true
    end

    private

    def default_values
        return unless new_record?
        self.uuid ||= UUID_GEN.generate
        self.verified ||= false
    end
end

class User < ActiveRecord::Base
    after_initialize :default_values

    scope :byname, :order => 'lname'

    scope :admins,  :conditions => ['admin IS TRUE']
    scope :clients, :conditions => ['admin IS FALSE']

    acts_as_authentic

    has_many :manifests
    has_many :items
    has_many :email_verifications

    validates :fname, :presence => true
    validates :lname, :presence => true

    def name
        [self.fname, self.lname].join ' '
    end

    def fullname
        [self.lname, self.fname].join ', '
    end

    private

    def default_values
        return unless new_record?
        self.admin ||= false
    end
end