Devise with rails 4 authenticated root route not working - ruby-on-rails

Question

What I'm trying to do
I want to send a user to the registrations#new page if they aren't logged in.
After you enter login info and click submit, I want you to be sent to the registrations#show page.
What is happening
It sends you to the registrations#new page when you're not logged in (correct so far). But when you submit the login form, it sends errors out with a redirect loop. The server's output is just this block repeated over and over:
Started GET "/" for 127.0.0.1 at 2013-09-25 02:31:59 -0400
Processing by RegistrationsController#new as HTML
User Load (0.7ms) SELECT "users".* FROM "users" WHERE "users"."id" = 8 ORDER BY "users"."id" ASC LIMIT 1
Redirected to http://lvh.me:3000/
Filter chain halted as :require_no_authentication rendered or redirected
Completed 302 Found in 2ms (ActiveRecord: 0.7ms)
I can't seem to figure it out. It does log you in, as I can see that by manually navigating to a different page, but the authenticated root path is not working correctly. I've tried a few different combinations in my routes file and can't seem to get it. The code I'm using is based off of this thread
My code
In my application controller I have before_filter :authenticate_user!
My routes file:
devise_for :users, :controllers => {
:registrations => "registrations"
}
devise_scope :user do
root to: "registrations#new"
end
authenticated :user do
root to: "registrations#show", :as => "profile"
end
unauthenticated do
root to: "registrations#new", :as => "unauthenticated"
end

Answer 1

First, you should customize Devise::RegistrationsController (you can add file app/controllers/registrations_controller.rb)
And see prepend_before_filter on devise registrations_controller.rb
prepend_before_filter :require_no_authentication, :only => [ :new, :create, :cancel ]
prepend_before_filter :authenticate_scope!, :only => [:edit, :update, :destroy]
Add show action to prepend_before_filter :authenticate_scope!
registrations_controller.rb
class RegistrationsController < Devise::RegistrationsController
prepend_before_filter :require_no_authentication, :only => [ :new, :create, :cancel ]
prepend_before_filter :authenticate_scope!, :only => [:edit, :update, :destroy, :show]
# GET /resource/sign_up
def new
super
end
# POST /resource
def create
super
end
# GET /resource/edit
def edit
super
end
def update
super
end
# DELETE /resource
def destroy
super
end
def show
end
protected
def after_sign_up_path_for(resource)
after_sign_in_path_for(resource)
end
end
Also copy the view of devise registration (edit and new template) to /app/views/registrations/ and You can make a file show.html.erb in /app/views/registrations/ folder for a profile page.
For routes of devise looks like :
devise_for :users, :skip => [:registrations]
devise_for :users, :controllers => {
:registrations => "registrations"
}
authenticated :user do
devise_scope :user do
root to: "registrations#show", :as => "profile"
end
end
unauthenticated do
devise_scope :user do
root to: "registrations#new", :as => "unauthenticated"
end
end
Last, you to set a "path" in after_sign_in_path_for(resource) and after_sign_out_path_for(resource_or_scope) at file application_controller.rb
class ApplicationController < ActionController::Base
protect_from_forgery
private
def after_sign_in_path_for(resource)
# After you enter login info and click submit, I want you to be sent to the registrations#show page
profile_path
end
def after_sign_out_path_for(resource_or_scope)
new_user_session_path
end
end
Note: I have tried this (to make sample apps), and it works. See log when sign in here, and log sign out here

Answer 2

The redirect to registration#new is default so all you need to do is this (in your route file):
devise_for :users, :controllers => {
:registrations => "registrations"
}
devise_scope :user do
root to: "registrations#show" # This is the root path of the user when you are logged in
end
unauthenticated do
root to: "registrations#new", :as => "unauthenticated"
end
# I dont't think this part is neccesary... Try if it works without
authenticated :user do
root to: "registrations#show", :as => "profile"
end

Answer 3

Do not use routes to do the jobs belonging to controller.
To redirect an user to certain page after signing up, use Devise built-in after_sign_up_path_for and override it.
class ApplicationController
def after_sign_up_path_for(resource)
faked_user_profile_path(resource)
end
end
For routes, I'm not very aware of all of them except devise_for part. But for the redirecting feature, this overriding should be enough.