1 files changed, 44 insertions, 0 deletions
diff --git a/lib/private/Updater/ChangesMapper.php b/lib/private/Updater/ChangesMapper.php
new file mode 100644
index 00000000000..c399948ff10
--- /dev/null
+++ b/lib/private/Updater/ChangesMapper.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Updater;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\QBMapper;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+
+/**
+ * @template-extends QBMapper<Changes>
+ */
+class ChangesMapper extends QBMapper {
+	public const TABLE_NAME = 'whats_new';
+
+	public function __construct(IDBConnection $db) {
+		parent::__construct($db, self::TABLE_NAME);
+	}
+
+	/**
+	 * @throws DoesNotExistException
+	 */
+	public function getChanges(string $version): Changes {
+		/* @var $qb IQueryBuilder */
+		$qb = $this->db->getQueryBuilder();
+		$result = $qb->select('*')
+			->from(self::TABLE_NAME)
+			->where($qb->expr()->eq('version', $qb->createNamedParameter($version)))
+			->executeQuery();
+
+		$data = $result->fetch();
+		$result->closeCursor();
+		if ($data === false) {
+			throw new DoesNotExistException('Changes info is not present');
+		}
+		return Changes::fromRow($data);
+	}
+}