2 files changed, 174 insertions, 0 deletions
diff --git a/lib/private/User/AvailabilityCoordinator.php b/lib/private/User/AvailabilityCoordinator.php
new file mode 100644
index 00000000000..fe0db92fd0f
--- /dev/null
+++ b/lib/private/User/AvailabilityCoordinator.php
@@ -0,0 +1,111 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Richard Steinmetz <richard@steinmetz.cloud>
+ *
+ * @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\User;
+
+use JsonException;
+use OCA\DAV\Db\AbsenceMapper;
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\ICache;
+use OCP\ICacheFactory;
+use OCP\IUser;
+use OCP\User\IAvailabilityCoordinator;
+use OCP\User\IOutOfOfficeData;
+use Psr\Log\LoggerInterface;
+
+class AvailabilityCoordinator implements IAvailabilityCoordinator {
+	private ICache $cache;
+
+	public function __construct(
+		ICacheFactory $cacheFactory,
+		private AbsenceMapper $absenceMapper,
+		private LoggerInterface $logger,
+	) {
+		$this->cache = $cacheFactory->createLocal('OutOfOfficeData');
+	}
+
+	private function getCachedOutOfOfficeData(IUser $user): ?OutOfOfficeData {
+		$cachedString = $this->cache->get($user->getUID());
+		if ($cachedString === null) {
+			return null;
+		}
+
+		try {
+			$cachedData = json_decode($cachedString, true, 10, JSON_THROW_ON_ERROR);
+		} catch (JsonException $e) {
+			$this->logger->error('Failed to deserialize cached out-of-office data: ' . $e->getMessage(), [
+				'exception' => $e,
+				'json' => $cachedString,
+			]);
+			return null;
+		}
+
+		return new OutOfOfficeData(
+			$cachedData['id'],
+			$user,
+			$cachedData['startDate'],
+			$cachedData['endDate'],
+			$cachedData['shortMessage'],
+			$cachedData['message'],
+		);
+	}
+
+	private function setCachedOutOfOfficeData(IOutOfOfficeData $data): void {
+		try {
+			$cachedString = json_encode([
+				'id' => $data->getId(),
+				'startDate' => $data->getStartDate(),
+				'endDate' => $data->getEndDate(),
+				'shortMessage' => $data->getShortMessage(),
+				'message' => $data->getMessage(),
+			], JSON_THROW_ON_ERROR);
+		} catch (JsonException $e) {
+			$this->logger->error('Failed to serialize out-of-office data: ' . $e->getMessage(), [
+				'exception' => $e,
+			]);
+			return;
+		}
+
+		$this->cache->set($data->getUser()->getUID(), $cachedString, 300);
+	}
+
+	public function getCurrentOutOfOfficeData(IUser $user): ?IOutOfOfficeData {
+		$cachedData = $this->getCachedOutOfOfficeData($user);
+		if ($cachedData !== null) {
+			return $cachedData;
+		}
+
+		try {
+			$absenceData = $this->absenceMapper->findByUserId($user->getUID());
+		} catch (DoesNotExistException $e) {
+			return null;
+		}
+
+		$data = $absenceData->toOutOufOfficeData($user);
+		$this->setCachedOutOfOfficeData($data);
+		return $data;
+	}
+}
diff --git a/lib/private/User/OutOfOfficeData.php b/lib/private/User/OutOfOfficeData.php
new file mode 100644
index 00000000000..12b7e03a0ae
--- /dev/null
+++ b/lib/private/User/OutOfOfficeData.php
@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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\User;
+
+use OCP\IUser;
+use OCP\User\IOutOfOfficeData;
+
+class OutOfOfficeData implements IOutOfOfficeData {
+	public function __construct(private string $id,
+		private IUser $user,
+		private int $startDate,
+		private int $endDate,
+		private string $shortMessage,
+		private string $message) {
+	}
+
+	public function getId(): string {
+		return $this->id;
+	}
+
+	public function getUser(): IUser {
+		return $this->user;
+	}
+
+	public function getStartDate(): int {
+		return $this->startDate;
+	}
+
+	public function getEndDate(): int {
+		return $this->endDate;
+	}
+
+	public function getShortMessage(): string {
+		return $this->shortMessage;
+	}
+
+	public function getMessage(): string {
+		return $this->message;
+	}
+}