1 files changed, 73 insertions, 0 deletions
diff --git a/lib/private/Collaboration/AutoComplete/Manager.php b/lib/private/Collaboration/AutoComplete/Manager.php
new file mode 100644
index 00000000000..cc5df78beea
--- /dev/null
+++ b/lib/private/Collaboration/AutoComplete/Manager.php
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Collaboration\AutoComplete;
+
+use OCP\Collaboration\AutoComplete\IManager;
+use OCP\Collaboration\AutoComplete\ISorter;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+
+class Manager implements IManager {
+	/** @var string[] */
+	protected array $sorters = [];
+
+	/** @var ISorter[] */
+	protected array $sorterInstances = [];
+
+	public function __construct(
+		private ContainerInterface $container,
+		private LoggerInterface $logger,
+	) {
+	}
+
+	public function runSorters(array $sorters, array &$sortArray, array $context): void {
+		$sorterInstances = $this->getSorters();
+		while ($sorter = array_shift($sorters)) {
+			if (isset($sorterInstances[$sorter])) {
+				$sorterInstances[$sorter]->sort($sortArray, $context);
+			} else {
+				$this->logger->warning('No sorter for ID "{id}", skipping', [
+					'app' => 'core', 'id' => $sorter
+				]);
+			}
+		}
+	}
+
+	public function registerSorter($className): void {
+		$this->sorters[] = $className;
+	}
+
+	protected function getSorters(): array {
+		if (count($this->sorterInstances) === 0) {
+			foreach ($this->sorters as $sorter) {
+				try {
+					$instance = $this->container->get($sorter);
+				} catch (ContainerExceptionInterface) {
+					$this->logger->notice(
+						'Skipping not registered sorter. Class name: {class}',
+						['app' => 'core', 'class' => $sorter],
+					);
+					continue;
+				}
+				if (!$instance instanceof ISorter) {
+					$this->logger->notice('Skipping sorter which is not an instance of ISorter. Class name: {class}',
+						['app' => 'core', 'class' => $sorter]);
+					continue;
+				}
+				$sorterId = trim($instance->getId());
+				if (trim($sorterId) === '') {
+					$this->logger->notice('Skipping sorter with empty ID. Class name: {class}',
+						['app' => 'core', 'class' => $sorter]);
+					continue;
+				}
+				$this->sorterInstances[$sorterId] = $instance;
+			}
+		}
+		return $this->sorterInstances;
+	}
+}