| Name | Lines of code | Maintainability | Test coverage |
| classes/collection/ProductCollection.php | 129 | D 2 days | |
| classes/item/CategoryItem.php | 136 | C 1 day | |
| classes/import/ImportOfferModelFromXML.php | 141 | F 3 days | |
| classes/import/ImportProductModelFromXML.php | 143 | D 1 day | |
| models/Product.php | 148 | B 4 hrs | |
| Plugin.php | 153 | B 6 hrs | |
| classes/event/offer/OfferModelHandler.php | 159 | C 1 day | |
| classes/event/product/ProductModelHandler.php | 172 | B 6 hrs | |
| classes/item/OfferItem.php | 233 | C 1 day | |
| models/Offer.php | 333 | D 2 days |