API for fetching reference metadata

Signed-off-by: Julius Härtl <jus@bitgrid.net>

1 files changed, 82 insertions, 0 deletions

diff --git a/core/Controller/ReferenceController.php b/core/Controller/ReferenceController.php
new file mode 100644
index 00000000000..1d61bb0f772
--- /dev/null
+++ b/core/Controller/ReferenceController.php
@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2022 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OC\Core\Controller;
+
+use OCP\AppFramework\Http\DataResponse;
+use OC\Collaboration\Reference\ReferenceManager;
+use OCP\IRequest;
+
+class ReferenceController extends \OCP\AppFramework\OCSController {
+	private ReferenceManager $referenceManager;
+
+	public function __construct($appName, IRequest $request, ReferenceManager $referenceManager) {
+		parent::__construct($appName, $request);
+		$this->referenceManager = $referenceManager;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param string $text
+	 * @param bool $resolve
+	 * @return DataResponse
+	 */
+	public function extract(string $text, bool $resolve = false, int $limit = 1): DataResponse {
+		$references = $this->referenceManager->extractReferences($text);
+
+		$result = [];
+		$index = 0;
+		foreach ($references as $reference) {
+			if ($index++ < $limit) {
+				$result[$reference] = $resolve ? $this->referenceManager->resolveReference($reference) : null;
+			}
+		}
+
+		return new DataResponse([
+			'references' => $result
+		]);
+	}
+
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param array $references
+	 * @return DataResponse
+	 */
+	public function resolve(array $references, int $limit = 1): DataResponse {
+		$result = [];
+		$index = 0;
+		foreach ($references as $reference) {
+			if ($index++ < $limit) {
+				$result[$reference] = $this->referenceManager->resolveReference($reference);
+			}
+		}
+
+		return new DataResponse([
+			'references' => array_filter($result)
+		]);
+	}
+}