cims-configurationserver/app/models/admin_user.rb

class AdminUser < ActiveRecord::Base
  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation, :remember_me
  # Include default devise modules. Others available are:
  # :token_authenticatable, :confirmable,
  # :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, 
         :recoverable, :rememberable, :trackable, :validatable

  validates :email,
            :presence => true,
            :format => { :with => /\A[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]+\z/, :message => "Must be of E-Mail address format" }


  after_create { |admin| admin.send_reset_password_instructions }

  def password_required?
    new_record? ? false : super
  end

end