update addorder get menu and sub menu

app/models/menu_category.rb

@@ -78,6 +78,14 @@ class MenuCategory < ApplicationRecord
     end
   end
 
+  def get_sub_category
+    menu_category = MenuCategory.find_by_menu_category_id(self.id)
+    if menu_category
+      return true
+    end
+    return false
+  end
+
   private
 
   # def generate_menu_category_code