## The error page
 NameError in Admin#index

Showing admin/index.html.haml where line #1 raised:

uninitialized constant Authentication::USERS

Extracted source (around line #1):

1: - if authenticated?
2:   = render :controller => 'admin/categories'
3:   = render :controller => 'admin/users'


/usr/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:275:in `load_missing_constant'
/usr/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:467:in `const_missing'
lib/authentication.rb:11:in `authenticated?'
app/views/admin/index.html.haml:1:in `_run_plugin_47app47views47admin47index46html46haml'
/usr/bin/thin:19:in `load'
/usr/bin/thin:19


## lib/authenticaton.rb
module Authentication

  def authenticate
    authenticated? || deny_authentication
  end

  def authenticated?
    if !session[:name].nil? and !session[:password].nil?
      user = USERS[session[:name]]
      user['password'] == session[:password] unless user.nil?
    elsif USERS['skip']
      true
    else
      false
    end
  end

  def deny_authentication
    flash[:notice] = "Vous n'êtes pas autorisé à accéder à cette page"
    redirect_to categories_path
  end
end

## config/users.yml
production:
  test:
    password: test

test:
  skip: true

development:
  test:
    password: test


## config/initializers/users.rb

USERS = YAML.load_file("#{RAILS_ROOT}/config/users.yml")[RAILS_ENV]