2 files changed, 190 insertions, 0 deletions
diff --git a/lib/private/TextProcessing/Db/Task.php b/lib/private/TextProcessing/Db/Task.php
new file mode 100644
index 00000000000..bc1bbdc13db
--- /dev/null
+++ b/lib/private/TextProcessing/Db/Task.php
@@ -0,0 +1,112 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
+ *
+ * @author Marcel Klehr <mklehr@gmx.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\TextProcessing\Db;
+
+use OCP\AppFramework\Db\Entity;
+use OCP\TextProcessing\Task as OCPTask;
+
+/**
+ * @method setType(string $type)
+ * @method string getType()
+ * @method setLastUpdated(int $lastUpdated)
+ * @method int getLastUpdated()
+ * @method setInput(string $type)
+ * @method string getInput()
+ * @method setOutput(string $type)
+ * @method string getOutput()
+ * @method setStatus(int $type)
+ * @method int getStatus()
+ * @method setUserId(string $type)
+ * @method string getuserId()
+ * @method setAppId(string $type)
+ * @method string getAppId()
+ * @method setIdentifier(string $type)
+ * @method string getIdentifier()
+ */
+class Task extends Entity {
+	protected $lastUpdated;
+	protected $type;
+	protected $input;
+	protected $output;
+	protected $status;
+	protected $userId;
+	protected $appId;
+	protected $identifier;
+
+	/**
+	 * @var string[]
+	 */
+	public static array $columns = ['id', 'last_updated', 'type', 'input', 'output', 'status', 'user_id', 'app_id', 'identifier'];
+
+	/**
+	 * @var string[]
+	 */
+	public static array $fields = ['id', 'lastUpdated', 'type', 'input', 'output', 'status', 'userId', 'appId', 'identifier'];
+
+
+	public function __construct() {
+		// add types in constructor
+		$this->addType('id', 'integer');
+		$this->addType('lastUpdated', 'integer');
+		$this->addType('type', 'string');
+		$this->addType('input', 'string');
+		$this->addType('output', 'string');
+		$this->addType('status', 'integer');
+		$this->addType('userId', 'string');
+		$this->addType('appId', 'string');
+		$this->addType('identifier', 'string');
+	}
+
+	public function toRow(): array {
+		return array_combine(self::$columns, array_map(function ($field) {
+			return $this->{'get'.ucfirst($field)}();
+		}, self::$fields));
+	}
+
+	public static function fromPublicTask(OCPTask $task): Task {
+		/** @var Task $task */
+		$task = Task::fromParams([
+			'id' => $task->getId(),
+			'type' => $task->getType(),
+			'lastUpdated' => time(),
+			'status' => $task->getStatus(),
+			'input' => $task->getInput(),
+			'output' => $task->getOutput(),
+			'userId' => $task->getUserId(),
+			'appId' => $task->getAppId(),
+			'identifier' => $task->getIdentifier(),
+		]);
+		return $task;
+	}
+
+	public function toPublicTask(): OCPTask {
+		$task = OCPTask::factory($this->getType(), $this->getInput(), $this->getuserId(), $this->getAppId(), $this->getIdentifier());
+		$task->setId($this->getId());
+		$task->setStatus($this->getStatus());
+		$task->setOutput($this->getOutput());
+		return $task;
+	}
+}
diff --git a/lib/private/TextProcessing/Db/TaskMapper.php b/lib/private/TextProcessing/Db/TaskMapper.php
new file mode 100644
index 00000000000..508f3fdf3b8
--- /dev/null
+++ b/lib/private/TextProcessing/Db/TaskMapper.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
+ *
+ * @author Marcel Klehr <mklehr@gmx.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\TextProcessing\Db;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\Entity;
+use OCP\AppFramework\Db\MultipleObjectsReturnedException;
+use OCP\AppFramework\Db\QBMapper;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\Exception;
+use OCP\IDBConnection;
+
+/**
+ * @extends QBMapper<Task>
+ */
+class TaskMapper extends QBMapper {
+	public function __construct(
+		IDBConnection $db,
+		private ITimeFactory $timeFactory,
+	) {
+		parent::__construct($db, 'llm_tasks', Task::class);
+	}
+
+	/**
+	 * @param int $id
+	 * @return Task
+	 * @throws Exception
+	 * @throws DoesNotExistException
+	 * @throws MultipleObjectsReturnedException
+	 */
+	public function find(int $id): Task {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select(Task::$columns)
+			->from($this->tableName)
+			->where($qb->expr()->eq('id', $qb->createPositionalParameter($id)));
+		return $this->findEntity($qb);
+	}
+
+	/**
+	 * @param int $timeout
+	 * @return int the number of deleted tasks
+	 * @throws Exception
+	 */
+	public function deleteOlderThan(int $timeout): int {
+		$qb = $this->db->getQueryBuilder();
+		$qb->delete($this->tableName)
+			->where($qb->expr()->lt('last_updated', $qb->createPositionalParameter(time() - $timeout)));
+		return $qb->executeStatement();
+	}
+
+	public function update(Entity $entity): Entity {
+		$entity->setLastUpdated($this->timeFactory->now()->getTimestamp());
+		return parent::update($entity);
+	}
+}