fix admin issue

Gemfile

@@ -40,7 +40,6 @@ gem 'rails_admin'
 gem 'rails_admin_history_rollback'
 gem 'cloudinary'
 gem 'devise'
-gem 'devise_token_auth'
 gem 'pry-rails', '~> 0.3.4'
 gem 'audited'
 gem 'paper_trail'

app/controllers/application_controller.rb

@@ -1,5 +1,4 @@
 class ApplicationController < ActionController::Base
-  include DeviseTokenAuth::Concerns::SetUserByToken
+  protect_from_forgery with: :null_session, if: ->{request.format.json?}
   before_action :set_paper_trail_whodunnit
-  protect_from_forgery with: :null_session
 end

app/models/user.rb

@@ -1,12 +1,13 @@
 class User < ActiveRecord::Base
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable and :omniauthable
+  has_paper_trail
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
   include DeviseTokenAuth::Concerns::User
 
   mount_uploader :avatar, ImageUploader
   validates :name, presence: true
-  validates :username, uniqueness: true
-  has_paper_trail
+  validates :username, presence: true, uniqueness: true
+
 end

config/routes.rb

@@ -1,23 +1,16 @@
 Rails.application.routes.draw do
   devise_for :admins
-  root 'pages#landing'
-
   mount RailsAdmin::Engine => '/admin', as: 'rails_admin'
+
+  root 'pages#landing'
   mount_devise_token_auth_for 'User', at: '/api/v1/users', controllers: {
     registrations:  'api/v1/registrations'
-    # sessions:  'api/v1/sessions',
-    # passwords:  'api/v1/passwords'
+
   }
 
   namespace :api, defaults: { format: :json }  do
     namespace :v1 do
-      # get    'versions/state'       => 'versions#state'
-      # post   'users/login'          => 'sessions#create'
-      # delete 'users/logout'         => 'sessions#destroy'
-      # post   'users/reset_password' => 'users#reset_password'
-      # resources :users, only: [:create, :destroy]
       devise_scope :user do
-
         resources :products, only: [:index, :show]
         resources :feedbacks, only: [:create]
       end