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module ControllerExtension::Authentication
extend ActiveSupport::Concern
private
included do
helper_method :current_user, :logged_in?, :admin?
end
def current_user
@current_user ||= User.find(session[:user_id]) if session[:user_id]
end
def logged_in?
!!current_user
end
def authorize
access_denied unless logged_in?
end
def access_denied
redirect_to login_url, :alert => "Not authorized"
end
def admin?
current_user && current_user.is_admin?
end
def authorize_admin
access_denied unless admin?
end
end
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