Rails 4 + Devise 3.0.0 Adding Username - ruby-on-rails

Question

I'm working with Rails 4 and Devise 3.0.0 and am new to using these new strong paramters. I added a username to the User model using the documentation on the Devise wiki. The problem I'm running into is the strong parameters change in Rails 4.
How do I add the :login attribute to the user model to enable logging in with either the username or email?

Answer 1

From the rails4 readme on devise: https://github.com/plataformatec/devise/tree/rails4#strong-parameters
class ApplicationController < ActionController::Base
before_filter :configure_permitted_parameters, if: :devise_controller?
protected
def configure_permitted_parameters
devise_parameter_sanitizer.for(:sign_in) { |u| u.permit(:login, :email) }
end
end

Answer 2

#justin.chmura
Here is a gist of how we ended up getting it working.
https://gist.github.com/AJ-Acevedo/6077336
Gist contains:
app/controllers/application_controller.rb
app/models/user.rb
config/initializers/devise.rb

Answer 3

You should make sure that you include the
attr_accessor :login
in the user model. Here is where I found the question explaining that attr_accessible is deprecated.
Rails 4 + Devise Login with email or username and strong parameters
Difference between attr_accessor and attr_accessible
This is what my app/models/user.rb file looks like.
class User < ActiveRecord::Base
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :trackable, :validatable
attr_accessor :login
def self.find_first_by_auth_conditions(warden_conditions)
conditions = warden_conditions.dup
if login = conditions.delete(:login)
where(conditions).where(["username = :value OR lower(email) = lower(:value)", { :value => login }]).first
else
where(conditions).first
end
end
validates :username,
:uniqueness => {
:case_sensitive => false
}
end

Answer 4

It will works fine if you add an module in config/initializers as followings with all parameters,
File config/initializers/devise_permitted_parameters.rb with following contents:
module DevisePermittedParameters
extend ActiveSupport::Concern
included do
before_filter :configure_permitted_parameters
end
protected
def configure_permitted_parameters
devise_parameter_sanitizer.for(:sign_up) { |u| u.permit(:username, :email, :password, :password_confirmation) }
end
end
DeviseController.send :include, DevisePermittedParameters