feat(dav): implement personal absence settings backend

Signed-off-by: Richard Steinmetz <richard@steinmetz.cloud>

1 files changed, 81 insertions, 0 deletions

diff --git a/apps/dav/lib/Db/AbsenceMapper.php b/apps/dav/lib/Db/AbsenceMapper.php
new file mode 100644
index 00000000000..6e1133f779c
--- /dev/null
+++ b/apps/dav/lib/Db/AbsenceMapper.php
@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Richard Steinmetz <richard@steinmetz.cloud>
+ *
+ * @author Richard Steinmetz <richard@steinmetz.cloud>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Db;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\MultipleObjectsReturnedException;
+use OCP\AppFramework\Db\QBMapper;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+
+/**
+ * @template-extends QBMapper<Absence>
+ */
+class AbsenceMapper extends QBMapper {
+	public function __construct(IDBConnection $db) {
+		parent::__construct($db, 'dav_absence', Absence::class);
+	}
+
+	/**
+	 * @throws DoesNotExistException
+	 * @throws \OCP\DB\Exception
+	 */
+	public function findByUserId(string $userId): Absence {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select('*')
+			->from($this->getTableName())
+			->where($qb->expr()->eq(
+				'user_id',
+				$qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR),
+				IQueryBuilder::PARAM_STR),
+			);
+		try {
+			return $this->findEntity($qb);
+		} catch (MultipleObjectsReturnedException $e) {
+			// Won't happen as there is a unique index on user_id
+			throw new \RuntimeException(
+				'The impossible has happened! The query returned multiple absence settings for one user.',
+				0,
+				$e,
+			);
+		}
+	}
+
+	/**
+	 * @throws \OCP\DB\Exception
+	 */
+	public function deleteByUserId(string $userId): void {
+		$qb = $this->db->getQueryBuilder();
+		$qb->delete($this->getTableName())
+			->where($qb->expr()->eq(
+				'user_id',
+				$qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR),
+				IQueryBuilder::PARAM_STR),
+			);
+		$qb->executeStatement();
+	}
+}