makes devise remember the last visited page before login in

app/controllers/application_controller.rb

@@ -10,6 +10,7 @@ class ApplicationController < ActionController::Base
   before_action :ensure_signup_complete
   before_action :set_locale
   before_action :track_email_campaign
+  before_action :set_return_url
 
   check_authorization unless: :devise_controller?
   self.responder = ApplicationResponder
@@ -101,4 +102,10 @@ class ApplicationController < ActionController::Base
         ahoy.track campaign.name if campaign.present?
       end
     end
+
+    def set_return_url
+      if !devise_controller? && controller_name != 'welcome' && is_navigational_format?
+        store_location_for(:user, request.path)
+      end
+    end
 end

app/controllers/users/sessions_controller.rb

@@ -1,15 +1,15 @@
 class Users::SessionsController < Devise::SessionsController
 
-  def after_sign_in_path_for(resource)
-    if !verifying_via_email? && resource.show_welcome_screen?
-      welcome_path
-    else
-      super
-    end
-  end
-
   private
 
+    def after_sign_in_path_for(resource)
+      if !verifying_via_email? && resource.show_welcome_screen?
+        welcome_path
+      else
+        super
+      end
+    end
+
     def verifying_via_email?
       return false unless resource.present?
       stored_path = session[stored_location_key_for(resource)] || ""