child images tag adding and deleting updated.

vendor/built_in_modules/gallery/app/controllers/panel/gallery/back_end/albums_controller.rb

@@ -195,8 +195,18 @@ class Panel::Gallery::BackEnd::AlbumsController < OrbitBackendController
   end
 
   def update_children_image_tag(tagsToDestroy,tagsToAdd)
+    debugger
       # tagsToDestroy will contain  all tag ids which have to be deleted from the galley_images
       # tagsToAdd will contain all tag ids which ve to be added in tall gallery_images
-
+      @images = GalleryImage.all
+      @images.each do |image|
+        image.tagged_ids.concat(tagsToAdd)
+        tagsToDestroy.each do |tag|
+          if image.tagged_ids.include?tag
+            image.tagged_ids.delete(tag)
+          end
+        end
+        image.save
+      end
   end
 end