EntityTypeManagerWrapper breaks compatibility with modules that override EntityTypeManager methods (#3570751) · Issues · project / webprofiler

EntityTypeManagerWrapper breaks compatibility with modules that override EntityTypeManager methods

>>> [!note] Migrated issue   Reported by: [lussoluca](https://www.drupal.org/user/138068) Related to !31 >>> Cloned from <a href="https://gitlab.com/drupalspoons/webprofiler/-/issues/117">https://gitlab.com/drupalspoons/webprofiler/-/issues/117</a> ## Description I discovered this issue while trying to use the [Trash module](<a href="https://www.drupal.org/project/trash">https://www.drupal.org/project/trash</a>) alongside WebProfiler. The Trash module provides soft-delete functionality for entities by replacing the standard `EntityTypeManager` with a custom `TrashEntityTypeManager` that dynamically generates storage classes with a `TrashStorageTrait`. When both WebProfiler and Trash are enabled, entities are permanently deleted instead of being moved to trash, even though Trash shows its confirmation message ("Deleting this content item will move it to the trash..."). ## Root Cause WebProfiler's `EntityTypeManagerWrapper` decorates the `entity_type.manager` service to collect profiling data. However, it extends `EntityTypeManager` and calls parent methods instead of delegating critical operations to the inner (decorated) service. **The problem:** <div class="codeblock"> <pre><?php // Current code in EntityTypeManagerWrapper class EntityTypeManagerWrapper extends EntityTypeManager {   private EntityTypeManagerInterface $entityManager; // The inner service (e.g., TrashEntityTypeManager)   public function getStorage($entity_type_id) {     // Calls $this->getHandler() which uses the parent class method     $handler = $this->getHandler($entity_type_id, 'storage');     // ...   } } ?></pre></div> When `$this->getHandler()` is called, it invokes `EntityTypeManager::getHandler()` (parent class) instead of the decorated service's method. This means modules like Trash that override `getHandler()` and `createHandlerInstance()` never get their methods called. **Flow diagram:** ``` Request → EntityTypeManagerWrapper::getStorage() → $this->getHandler() → EntityTypeManager::getHandler() ❌ (parent class) ✗ TrashEntityTypeManager::getHandler() is NEVER called ✗ Custom storage classes are NEVER generated ``` ## Proposed Solution Delegate critical methods to the inner service instead of relying on parent class implementations: <div class="codeblock"> <pre><?php /**  * {@inheritdoc}  */ public function getHandler($entity_type_id, $handler_type) {   // Delegate to the inner entity manager to ensure compatibility with   // modules that override getHandler (e.g., Trash module).   return $this->entityManager->getHandler($entity_type_id, $handler_type); } /**  * {@inheritdoc}  */ public function createHandlerInstance($class, ?\Drupal\Core\Entity\EntityTypeInterface $definition = NULL) {   // Delegate to the inner entity manager to ensure compatibility with   // modules that modify storage classes (e.g., Trash module).   return $this->entityManager->createHandlerInstance($class, $definition); } /**  * {@inheritdoc}  */ public function clearCachedDefinitions() {   parent::clearCachedDefinitions();   // Delegate to the inner entity manager if it has this method   // (e.g., TrashEntityTypeManager).   if (method_exists($this->entityManager, 'clearCachedDefinitions')) {     $this->entityManager->clearCachedDefinitions();   } } /**  * {@inheritdoc}  */ public function useCaches($use_caches = FALSE) {   parent::useCaches($use_caches);   // Delegate to the inner entity manager if it has this method   // (e.g., TrashEntityTypeManager).   if (method_exists($this->entityManager, 'useCaches')) {     $this->entityManager->useCaches($use_caches);   } } ?></pre></div> **Complete patch location in EntityTypeManagerWrapper.php:** Add these methods after the `__construct()` method (around line 81). ## Why This Has No Negative Impact for Webprofiler ### 1. WebProfiler's core functionality is preserved WebProfiler's profiling happens in: - `getStorage()`: Wraps handlers with `getStorageDecorator()` - **unchanged** - `getViewBuilder()`: Wraps builders with `EntityViewBuilderDecorator` - **unchanged** - Storage/view builder decorators: Collect profiling data - **unchanged** The delegation only affects **how handlers are created**, not **what WebProfiler does with them**. ### 2. Backward compatibility maintained - When the inner service is the standard `EntityTypeManager`, delegating to it is identical to calling `parent::getHandler()` - The behavior remains the same for sites without custom EntityTypeManager implementations ### 3. Follows decorator pattern best practices The decorator pattern should delegate to the decorated service, not bypass it by calling parent methods. This fix aligns with Symfony's decorator pattern conventions. ## Testing ### Without Trash module (existing behavior preserved): <div class="codeblock"> <pre><?php // Entity Type Manager echo get_class(\Drupal::service('entity_type.manager')); // Output: Drupal\webprofiler\Entity\EntityTypeManagerWrapper // Node Storage $storage = \Drupal::entityTypeManager()->getStorage('node'); echo get_class($storage); // Output: Drupal\node\NodeStorage (wrapped by WebProfiler decorator) ?></pre></div> ### With Trash module (now works correctly): <div class="codeblock"> <pre><?php // Entity Type Manager echo get_class(\Drupal::service('entity_type.manager')); // Output: Drupal\webprofiler\Entity\EntityTypeManagerWrapper // Node Storage $storage = \Drupal::entityTypeManager()->getStorage('node'); echo get_class($storage); // Output: Drupal__node__NodeStorageTrash6938358664624 (wrapped by WebProfiler decorator) // Verify TrashStorageTrait is present $uses = class_uses($storage); echo in_array('Drupal\trash\TrashStorageTrait', $uses ?: []) ? 'YES' : 'NO'; // Output: YES // Test soft-delete $node = \Drupal::entityTypeManager()->getStorage('node')->create([   'type' => 'article',   'title' => 'Test Node', ]); $node->save(); $nid = $node->id(); $node->delete(); // Verify node is in trash (not permanently deleted) $query = \Drupal::entityTypeManager()->getStorage('node')->getQuery()   ->condition('nid', $nid)   ->exists('deleted')   ->accessCheck(FALSE); $ids = $query->execute(); // Returns the node ID - soft-delete works! ✓ ?></pre></div> ## Affected Modules This fix benefits any module that: - Extends or replaces `EntityTypeManager` - Overrides `getHandler()` or `createHandlerInstance()` - Modifies storage handler creation Known examples: - [Trash](<a href="https://www.drupal.org/project/trash">https://www.drupal.org/project/trash</a>) - Soft-delete functionality ## Version Information - **Drupal**: 10.3.x - **WebProfiler**: 10.3.1 - **PHP**: 8.3 ## Files to Modify - `src/Entity/EntityTypeManagerWrapper.php` I hope this helps!

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