Fixed product type project config rebuild

Author: nfourtythree

CHANGELOG.md

@@ -3,7 +3,8 @@
 ## Unreleased
 
 - Fixed a bug where the pricing catalog wasn’t getting updated when saving a product. ([#4054](https://github.com/craftcms/commerce/issues/4054))
-- Fixed a bug where unavailable gateways were being automatically set on orders. 
+- Fixed a bug where unavailable gateways were being automatically set on orders.
+- Fixed a bug where product type configs were missing their structure properties after rebuilding the project config.
 
 ## 5.4.1 - 2025-07-09
 

src/helpers/ProjectConfigData.php

@@ -148,6 +148,7 @@ private static function _getSiteStoresData(): array
      */
     private static function _getProductTypeData(): array
     {
+        // @TODO refactor to us `getAllProductTypes()` and call `getConfig()` on each type.
         $productTypeRows = (new Query())
             ->select([
                 'descriptionFormat',
@@ -169,6 +170,10 @@ private static function _getProductTypeData(): array
                 'variantTitleTranslationMethod',
                 'variantTitleTranslationKeyFormat',
                 'propagationMethod',
+                'isStructure',
+                'structureId',
+                'defaultPlacement',
+                'maxLevels',
             ])
             ->from([Table::PRODUCTTYPES . ' productTypes'])
             ->all();

src/models/ProductType.php

@@ -53,7 +53,7 @@ class ProductType extends Model implements FieldLayoutProviderInterface
     public const DEFAULT_PLACEMENT_BEGINNING = 'beginning';
     /** @since 5.2.0 */
     public const DEFAULT_PLACEMENT_END = 'end';
-    
+
     /**
      * @var int|null ID
      */
@@ -261,6 +261,7 @@ protected function defineRules(): array
             ['fieldLayout', 'validateFieldLayout'],
             ['variantFieldLayout', 'validateVariantFieldLayout'],
             ['siteSettings', 'required', 'message' => Craft::t('commerce','At least one site must be enabled for the product type.')],
+            [['isStructure', 'defaultPlacement', 'maxLevels', 'structureId'], 'safe'],
         ];
     }