update check user

app/controllers/transactions/credit_notes_controller.rb

@@ -1,6 +1,7 @@
 class Transactions::CreditNotesController < ApplicationController
   
   before_action :set_transactions_sale, only: [:show, :edit, :update, :destroy]
+  before_action :check_user
 
   # GET /transactions/sales
   # GET /transactions/sales.json
@@ -25,12 +26,18 @@ class Transactions::CreditNotesController < ApplicationController
              @credit_notes = 0
            end  
       end    
-puts "sssssssssssss"
-puts @credit_notes.to_json
+
     respond_to do |format|
       format.html # index.html.erb
       format.json { render json: @credit_notes }
     end
 
- end
-  end
+  end
+
+  def check_user
+    if current_user.nil?
+      redirect_to root_path
+    end
+  end
+  
+end