Rails 3.1 Mongoid has_secure_password

Question

I am trying to get has_secure_password to play well with mongoid. I follow Railscasts # 270, however, when I signed up for a username / password, I get an error:

undefined method `find_by_email' for User:Class 

I see a similar post (http://stackoverflow.com/questions/6920875/mongoid-and-has-secure-password), however, having done as he suggested, I still get the same error.

Here is my model:

 class User include Mongoid::Document include ActiveModel::SecurePassword validates_presence_of :password, :on => :create attr_accessible :email, :password, :password_confirmation field :email, :type => String field :password_digest, :type => String has_secure_password end 

Controller:

 class SessionsController < ApplicationController def new end def create user = User.find_by_email(params[:email]) if user && user.authenticate(params[:password]) session[:user_id] = user.id redirect_to root_url, :notice => "Logged in!" else flash.now.alert = "Invalid email or password" render "new" end end def destroy session[:user_id] = nil redirect_to root_url, :notice => "Logged out!" end end 

Thanks.

Answer 1

Option 1. In your controller you should use

 user = User.where(:email => params[:email]).first 

Option 2. In your model you must define

 def self.find_by_email(email) where(:email => email).first end 

Answer 2

Mongoid does not support find_by_attribute methods.

Instead, use where :

 User.where(:email => email).all