tes admin

admin_controller.rb

class Admin::AdminController < ApplicationController
  authorize_resource :class => false
  layout "admin"
end

home_admin_controller.rb

class Admin::HomeAdminController < ApplicationController
  def index
  end
end

registrations_controller.rb

class Admin::RegistrationsController < Devise::RegistrationsController
    # disable default no_authentication action
  skip_before_action :require_no_authentication, only: [:new, :create, :cancel]
  # now we need admin to register new admin
  prepend_before_action :authenticate_scope!, only: [:new, :create, :cancel]
   layout "admin"
   protected

   def after_sign_up_path_for(resource)
      signed_in_root_path(resource)
    end

    def after_update_path_for(resource)
      signed_in_root_path(resource)
    end
end

routes.rb

Rails.application.routes.draw do

  resources :locations
  get 'registrations/update'

  devise_for :users
  resources :profiles do
    # member do
    #   path 'update_image'
    # end
  end
  resources :users do
  end
  get 'home/index'
  root 'home#index'
  
  devise_for :admin, controllers: { sessions: "admin/sessions" ,registrations: 'admin/registrations'}
  namespace :admin do
    root to: "home_admin#index"
  end
end

sessions_controller.rb

class Admin::SessionsController < Devise::SessionsController
  layout "admin"
  protected
    def after_sign_in_path_for(resource)
      session[:admin_return_to].blank? ? admin_root_path : session[:admin_return_to]
    end

    def after_sign_out_path_for(resource_or_scope)
      new_admin_session_path
    end
end

Rails.application.routes.draw do

resources :locations
get 'registrations/update'

devise_for :users
resources :profiles do
# member do
# path 'update_image'
# end
end
resources :users do
end
get 'home/index'
root 'home#index'

devise_for :admins, controllers: { sessions: "admins/sessions" ,registrations: 'admins/registrations'}
namespace :admins do
root to: "home_admin#index"
end
end