Undefined method `before_create' for main:Object

ruby-talk
1

Hi,
ruby=1.9.2
rails=3.0.1

I am developing simple user registration application using ruby on rails

my model is

require 'digest/sha2'
class User < ActiveRecord::Base
  has_many :user_sessions, :order => "created_at DESC"
  has_many :sessions, :through => :user_sessions
  attr_accessor :password,:password_confirmation
  validates_uniqueness_of :username,:email_address,:mobile,:scope =>
"active"
  validates_confirmation_of :password, :on => :create, :message =>
"Passwords does not match"end
  before_create :hash_password

  private
# Digests the password given and stores a unique salt and hash as a
results
  def hash_password
    return if self.password.blank?
    self.password_salt =
[Array.new(6){rand(256).chr}.join].pack("m").chomp
    self.password_hash = generate_password_hash(self.password) unless
self.password.blank?
  end
def generate_password_hash(password)
    Digest::SHA256.hexdigest(password + self.password_salt)
  end

controller
def new
    if request.post? and params[:user]
      @user = User.new(params[:user])
      if @user.save
        session[:user_id] = @user.id
        flash[:notice] = "User #{@user.username} created!"
        redirect_to :action => "index"
      end
    end
  end

But when i try to registration i got below error

"undefined method `before_create' for main:Object"

Any help would be appreciate

thanks and regards,
sathiya_rails

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