designium/simple-login

class User < ActiveRecord::Base

  has_secure_password

  attr_accessible :email, :password, :password_confirmation

  has_many :posts

  validates_uniqueness_of :email
  validates_presence_of :email

  before_create { generate_token(:auth_token) }
  after_create { send_account_confirmation }

  def send_password_reset
    generate_token(:password_reset_token)
    self.password_reset_sent_at = Time.zone.now
    save!
    UserMailer.password_reset(self).deliver
  end

  def send_account_confirmation
    UserMailer.account_confirmation(self).deliver
  end

  def generate_token(column)
    begin
      self[column] = SecureRandom.urlsafe_base64
    end while User.exists?(column => self[column])
  end

end