first version of multi categories and tags

app/controllers/admin/page_parts_controller.rb

@@ -54,6 +54,7 @@ class Admin::PagePartsController < ApplicationController
   end
 
   def update
+    binding.pry
     @part = PagePart.find(params[:id])
   	params[:page_part][:widget_field] = params[:page_part][:widget_field].zip( params[:page_part][:widget_field_type],params[:page_part][:widget_field_is_link] ) if params[:page_part][:widget_field]
       
@@ -63,6 +64,17 @@ class Admin::PagePartsController < ApplicationController
     if params[:page_part][:module_app].blank?
       params[:page_part][:module_app] = nil
     end
+
+    if params[:page_part][:tag].include?("nil")
+      params[:page_part][:tag] = []
+    end
+
+    if params[:page_part][:category].include?("nil")
+      params[:page_part][:category] = []
+    end
+
+
+
     if @part.update_attributes(params[:page_part])
       set_children_sub_menu(@part) if @part.public_r_tag && @part.public_r_tag.eql?('sub_menu')
       flash.now[:notice] = t('update.success.content')

app/controllers/admin/pages_controller.rb

@@ -96,6 +96,14 @@ helper Admin::PagePartsHelper
   params[:page][:frontend_field] = params[:page][:frontend_field].zip( params[:page][:frontend_field_type] ) if params[:page][:frontend_field] 
   params[:page][:frontend_field_type] = nil
 
+    if params[:page][:tag].include?("nil")
+      params[:page][:tag] = []
+    end
+
+    if params[:page][:category].include?("nil")
+      params[:page][:category] = []
+    end
+
     if @item.update_attributes(params[:page])
       flash[:notice] = t('update.success.page')
       respond_to do |format|