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Jonas Bergqvist
Oct 6, 2014
(6 votes)

Comments and Ratings in Commerce 8.0

In Commerce 8.0, we have dropped the dependency to EPiServer Common Framework. When dropping the dependency, we had to remove all classes in EPiServer.Business.Commerce which had dependencies to EPiServer Common Framework. With the dropped classes, we dropped some functionality. This blog post will show how to recreate the missing functionality.

Dropped functionality

When we dropped the dependency to EPiServer Common Framework, we lost comments and ratings, which has been a part of Commerce in earlier versions. This will cause problems when upgrading to Commerce 8, if the site uses comments or rating.

Dropped classes

The following classes have been dropped from EPiServer.Business.Commerce:

  • Comment
  • CommentExtensions
  • DynamicEntry
  • DynamicEntryHandler
  • DynamicEntryProvider
  • IMessage
  • IProductComment
  • IProductRating
  • ProductComment
  • ProductCommentResult
  • ProductEntry
  • ProductEntryHandler
  • ProductRating
  • RatingMessage
  • UserExtensions

Make logging work

In “EPiServer CommonFramework”, there is functionality for logging, which will help developers to find problems in the code. This code will not be available anymore as long as the “EPiServer CommonFramework” nuget package isn’t explicitly installed on the site. Projects that has used EPiServer Common logging should change to work directly against “log4net”. By changing the using statement to “log4net”, log4net will start handling the logging.

Recreate functionality

To add back comments and ratings after upgraded to Commerce 8, the following steps are needed:

  1. Add the package “EPiServer Common” to your project.
  2. Download the zip-package below.
  3. Add the classes to your project after you have unzipped the package.

After you have the classes in to your project, you have to add a couple of lines to an initialization module:

// register entity provider with supported types
EntityProviderHandler.Instance.RegisterEntityProvider<DynamicEntityProvider, DynamicEntity>();
EntityProviderHandler.Instance.RegisterEntityProvider<DynamicEntityProvider, ProductEntity>();


Zip file containting comments and ratings:

Oct 06, 2014


Christer Åkerlund
Christer Åkerlund Oct 7, 2014 10:19 PM


Eric Oct 13, 2014 09:49 PM

Great :)

Viktar Slapik
Viktar Slapik Nov 27, 2014 02:29 PM

Thank you for useful blog post!
Actually we have an issue with old comments and ratings in EpiServer CMS 7.18 & Commerce 8.3.
All files from "" were included in our site, required strings were added in initialization module.
The comments and ratings functionality works fine for new posted product comments and ratings, but old product comments and ratings disappeared.
Is there any way to solve the issue?
Thank you in advance.

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