Merge pull request #503 from nextcloud/backport/500/stable31

[stable31] enh(TaskProcessingService): Cache result of getRegisteredTaskProcessingProviders

Author: AndyScherzinger

lib/Service/ProvidersAI/TaskProcessingService.php

@@ -29,6 +29,7 @@
 
 class TaskProcessingService {
 	private ?ICache $cache = null;
+	private ?array $registeredProviders = null;
 
 	public function __construct(
 		ICacheFactory $cacheFactory,
@@ -47,14 +48,17 @@ public function __construct(
 	 */
 	public function getRegisteredTaskProcessingProviders(): array {
 		try {
+			if ($this->registeredProviders !== null) {
+				return $this->registeredProviders;
+			}
 			$cacheKey = '/ex_task_processing_providers';
 			$records = $this->cache?->get($cacheKey);
 			if ($records === null) {
 				$records = $this->mapper->findAllEnabled();
 				$this->cache?->set($cacheKey, $records);
 			}
 
-			return array_map(static function ($record) {
+			return $this->registeredProviders = array_map(static function ($record) {
 				return new TaskProcessingProvider($record);
 			}, $records);
 		} catch (Exception) {