check current user session

app/controllers/home_controller.rb

@@ -2,8 +2,21 @@ class HomeController < ApplicationController
   # layout "application", except: [:index, :show]
   # skip_before_action :authenticate, only: [:index, :show, :create, :update, :destroy] 
 
+  before_action :check_user, only: :dashboard
+
   helper_method :shop_detail 
 
+  # Special check for only dashboard
+  def check_user    
+    if current_user.nil?
+      redirect_to root_path
+    end
+  end
+
+  def current_user
+    @current_user ||= Employee.find_by_token_session(session[:session_token]) if session[:session_token]
+  end
+
   def index
     # @employees = Employee.all_emp_except_waiter.order("name asc")
     @employees = Employee.all.order("name asc")