allow anon text processing scheduling

add a textprocessing_tasks index
convert anotations to method attributes
refactor TP manager
add mapper methods

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

9 files changed, 159 insertions, 38 deletions

diff --git a/core/Controller/TextProcessingApiController.php b/core/Controller/TextProcessingApiController.php
index 21cf9d58c33..c713a70481c 100644
--- a/core/Controller/TextProcessingApiController.php
+++ b/core/Controller/TextProcessingApiController.php
@@ -29,6 +29,10 @@ namespace OC\Core\Controller;
 use InvalidArgumentException;
 use OCA\Core\ResponseDefinitions;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\AnonRateLimit;
+use OCP\AppFramework\Http\Attribute\NoAdminRequired;
+use OCP\AppFramework\Http\Attribute\PublicPage;
+use OCP\AppFramework\Http\Attribute\UserRateLimit;
 use OCP\AppFramework\Http\DataResponse;
 use OCP\Common\Exception\NotFoundException;
 use OCP\IL10N;
@@ -47,13 +51,13 @@ use Psr\Log\LoggerInterface;
  */
 class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	public function __construct(
-		string           $appName,
-		IRequest         $request,
-		private IManager $languageModelManager,
-		private IL10N    $l,
-		private ?string  $userId,
+		string                     $appName,
+		IRequest                   $request,
+		private IManager           $textProcessingManager,
+		private IL10N              $l,
+		private ?string            $userId,
 		private ContainerInterface $container,
-		private LoggerInterface $logger,
+		private LoggerInterface    $logger,
 	) {
 		parent::__construct($appName, $request);
 	}
@@ -61,12 +65,11 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	/**
 	 * This endpoint returns all available LanguageModel task types
 	 *
-	 * @PublicPage
-	 *
 	 * @return DataResponse<Http::STATUS_OK, array{types: array{id: string, name: string, description: string}[]}, array{}>
 	 */
+	#[PublicPage]
 	public function taskTypes(): DataResponse {
-		$typeClasses = $this->languageModelManager->getAvailableTaskTypes();
+		$typeClasses = $this->textProcessingManager->getAvailableTaskTypes();
 		$types = [];
 		/** @var string $typeClass */
 		foreach ($typeClasses as $typeClass) {
@@ -92,10 +95,6 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	/**
 	 * This endpoint allows scheduling a language model task
 	 *
-	 * @PublicPage
-	 * @UserRateThrottle(limit=20, period=120)
-	 * @AnonRateThrottle(limit=5, period=120)
-	 *
 	 * @param string $input Input text
 	 * @param string $type Type of the task
 	 * @param string $appId ID of the app that will execute the task
@@ -107,6 +106,9 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	 * 400: Scheduling task is not possible
 	 * 412: Scheduling task is not possible
 	 */
+	#[PublicPage]
+	#[UserRateLimit(limit: 20, period: 120)]
+	#[AnonRateLimit(limit: 5, period: 120)]
 	public function schedule(string $input, string $type, string $appId, string $identifier = ''): DataResponse {
 		try {
 			$task = new Task($type, $input, $appId, $this->userId, $identifier);
@@ -114,7 +116,7 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 			return new DataResponse(['message' => $this->l->t('Requested task type does not exist')], Http::STATUS_BAD_REQUEST);
 		}
 		try {
-			$this->languageModelManager->scheduleTask($task);
+			$this->textProcessingManager->scheduleTask($task);
 
 			$json = $task->jsonSerialize();
 
@@ -130,7 +132,6 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	 * This endpoint allows checking the status and results of a task.
 	 * Tasks are removed 1 week after receiving their last update.
 	 *
-	 * @PublicPage
 	 * @param int $id The id of the task
 	 *
 	 * @return DataResponse<Http::STATUS_OK, array{task: CoreTextProcessingTask}, array{}>|DataResponse<Http::STATUS_NOT_FOUND|Http::STATUS_INTERNAL_SERVER_ERROR, array{message: string}, array{}>
@@ -138,13 +139,10 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	 * 200: Task returned
 	 * 404: Task not found
 	 */
+	#[PublicPage]
 	public function getTask(int $id): DataResponse {
 		try {
-			$task = $this->languageModelManager->getTask($id);
-
-			if ($this->userId !== $task->getUserId()) {
-				return new DataResponse(['message' => $this->l->t('Task not found')], Http::STATUS_NOT_FOUND);
-			}
+			$task = $this->textProcessingManager->getUserTask($id, $this->userId);
 
 			$json = $task->jsonSerialize();
 
@@ -159,10 +157,8 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	}
 
 	/**
-	 * This endpoint returns a list of tasks related with a specific appId and identifier
-	 *
-	 * @PublicPage
-	 * @UserRateThrottle(limit=20, period=120)
+	 * This endpoint returns a list of tasks of a user that are related
+	 * with a specific appId and optionally with an identifier
 	 *
 	 * @param string $appId
 	 * @param string|null $identifier
@@ -170,14 +166,10 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 	 *
 	 *  200: Task list returned
 	 */
+	#[NoAdminRequired]
 	public function listTasksByApp(string $appId, ?string $identifier = null): DataResponse {
-		if ($this->userId === null) {
-			return new DataResponse([
-				'tasks' => [],
-			]);
-		}
 		try {
-			$tasks = $this->languageModelManager->getTasksByApp($this->userId, $appId, $identifier);
+			$tasks = $this->textProcessingManager->getUserTasksByApp($this->userId, $appId, $identifier);
 			$json = array_map(static function (Task $task) {
 				return $task->jsonSerialize();
 			}, $tasks);
diff --git a/core/Migrations/Version28000Date20230803221055.php b/core/Migrations/Version28000Date20230803221055.php
new file mode 100644
index 00000000000..8878a6f6cce
--- /dev/null
+++ b/core/Migrations/Version28000Date20230803221055.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Julien Veyssier <julien-nc@posteo.net>
+ *
+ * @author Julien Veyssier <julien-nc@posteo.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\Migrations;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Adjust textprocessing_tasks table
+ */
+class Version28000Date20230803221055 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$changed = false;
+
+		if ($schema->hasTable('textprocessing_tasks')) {
+			$table = $schema->getTable('textprocessing_tasks');
+
+			$column = $table->getColumn('user_id');
+			$column->setNotnull(false);
+
+			$table->addIndex(['user_id', 'app_id', 'identifier'], 'tp_tasks_uid_appid_ident');
+
+			$changed = true;
+		}
+
+		if ($changed) {
+			return $schema;
+		}
+
+		return null;
+	}
+}
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 787ae893aa0..2e5c239b6ed 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -1153,6 +1153,7 @@ return array(
     'OC\\Core\\Migrations\\Version27000Date20230309104802' => $baseDir . '/core/Migrations/Version27000Date20230309104802.php',
     'OC\\Core\\Migrations\\Version28000Date20230616104802' => $baseDir . '/core/Migrations/Version28000Date20230616104802.php',
     'OC\\Core\\Migrations\\Version28000Date20230728104802' => $baseDir . '/core/Migrations/Version28000Date20230728104802.php',
+    'OC\\Core\\Migrations\\Version28000Date20230803221055' => $baseDir . '/core/Migrations/Version28000Date20230803221055.php',
     'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
     'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
     'OC\\DB\\Adapter' => $baseDir . '/lib/private/DB/Adapter.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index e56e20a95b5..48c6701c7c6 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -1186,6 +1186,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OC\\Core\\Migrations\\Version27000Date20230309104802' => __DIR__ . '/../../..' . '/core/Migrations/Version27000Date20230309104802.php',
         'OC\\Core\\Migrations\\Version28000Date20230616104802' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20230616104802.php',
         'OC\\Core\\Migrations\\Version28000Date20230728104802' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20230728104802.php',
+        'OC\\Core\\Migrations\\Version28000Date20230803221055' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20230803221055.php',
         'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
         'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
         'OC\\DB\\Adapter' => __DIR__ . '/../../..' . '/lib/private/DB/Adapter.php',
diff --git a/lib/private/TextProcessing/Db/Task.php b/lib/private/TextProcessing/Db/Task.php
index 8c2ddb74f1f..9c6f16d11ae 100644
--- a/lib/private/TextProcessing/Db/Task.php
+++ b/lib/private/TextProcessing/Db/Task.php
@@ -39,11 +39,11 @@ use OCP\TextProcessing\Task as OCPTask;
  * @method string getOutput()
  * @method setStatus(int $type)
  * @method int getStatus()
- * @method setUserId(string $type)
- * @method string getuserId()
+ * @method setUserId(?string $userId)
+ * @method string|null getUserId()
  * @method setAppId(string $type)
  * @method string getAppId()
- * @method setIdentifier(string $type)
+ * @method setIdentifier(string $identifier)
  * @method string getIdentifier()
  */
 class Task extends Entity {
diff --git a/lib/private/TextProcessing/Db/TaskMapper.php b/lib/private/TextProcessing/Db/TaskMapper.php
index cf78006d6d9..6fde1e510b5 100644
--- a/lib/private/TextProcessing/Db/TaskMapper.php
+++ b/lib/private/TextProcessing/Db/TaskMapper.php
@@ -60,13 +60,34 @@ class TaskMapper extends QBMapper {
 	}
 
 	/**
+	 * @param int $id
+	 * @param string|null $userId
+	 * @return Task
+	 * @throws DoesNotExistException
+	 * @throws Exception
+	 * @throws MultipleObjectsReturnedException
+	 */
+	public function findByIdAndUser(int $id, ?string $userId): Task {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select(Task::$columns)
+			->from($this->tableName)
+			->where($qb->expr()->eq('id', $qb->createPositionalParameter($id)));
+		if ($userId === null) {
+			$qb->andWhere($qb->expr()->isNull('user_id'));
+		} else {
+			$qb->andWhere($qb->expr()->eq('user_id', $qb->createPositionalParameter($userId)));
+		}
+		return $this->findEntity($qb);
+	}
+
+	/**
 	 * @param string $userId
 	 * @param string $appId
 	 * @param string|null $identifier
 	 * @return array
 	 * @throws Exception
 	 */
-	public function findByApp(string $userId, string $appId, ?string $identifier = null): array {
+	public function findUserTasksByApp(string $userId, string $appId, ?string $identifier = null): array {
 		$qb = $this->db->getQueryBuilder();
 		$qb->select(Task::$columns)
 			->from($this->tableName)
diff --git a/lib/private/TextProcessing/Manager.php b/lib/private/TextProcessing/Manager.php
index da38dc876a7..c8302f1e8df 100644
--- a/lib/private/TextProcessing/Manager.php
+++ b/lib/private/TextProcessing/Manager.php
@@ -178,6 +178,8 @@ class Manager implements IManager {
 	}
 
 	/**
+	 * Get a task from its id
+	 *
 	 * @param int $id The id of the task
 	 * @return OCPTask
 	 * @throws RuntimeException If the query failed
@@ -197,14 +199,41 @@ class Manager implements IManager {
 	}
 
 	/**
+	 * Get a task from its user id and task id
+	 * If userId is null, this can only get a task that was scheduled anonymously
+	 *
+	 * @param int $id The id of the task
+	 * @param string|null $userId The user id that scheduled the task
+	 * @return OCPTask
+	 * @throws RuntimeException If the query failed
+	 * @throws NotFoundException If the task could not be found
+	 */
+	public function getUserTask(int $id, ?string $userId): OCPTask {
+		try {
+			$taskEntity = $this->taskMapper->findByIdAndUser($id, $userId);
+			return $taskEntity->toPublicTask();
+		} catch (DoesNotExistException $e) {
+			throw new NotFoundException('Could not find task with the provided id and user id');
+		} catch (MultipleObjectsReturnedException $e) {
+			throw new RuntimeException('Could not uniquely identify task with given id and user id', 0, $e);
+		} catch (Exception $e) {
+			throw new RuntimeException('Failure while trying to find task by id and user id: ' . $e->getMessage(), 0, $e);
+		}
+	}
+
+	/**
+	 * Get a list of tasks scheduled by a specific user for a specific app
+	 * and optionally with a specific identifier.
+	 * This cannot be used to get anonymously scheduled tasks
+	 *
 	 * @param string $userId
 	 * @param string $appId
 	 * @param string|null $identifier
 	 * @return array
 	 */
-	public function getTasksByApp(string $userId, string $appId, ?string $identifier = null): array {
+	public function getUserTasksByApp(string $userId, string $appId, ?string $identifier = null): array {
 		try {
-			$taskEntities = $this->taskMapper->findByApp($userId, $appId, $identifier);
+			$taskEntities = $this->taskMapper->findUserTasksByApp($userId, $appId, $identifier);
 			return array_map(static function (DbTask $taskEntity) {
 				return $taskEntity->toPublicTask();
 			}, $taskEntities);
diff --git a/lib/public/TextProcessing/FreePromptTaskType.php b/lib/public/TextProcessing/FreePromptTaskType.php
index a1e52e268a3..2cb8d6b7946 100644
--- a/lib/public/TextProcessing/FreePromptTaskType.php
+++ b/lib/public/TextProcessing/FreePromptTaskType.php
@@ -61,6 +61,6 @@ class FreePromptTaskType implements ITaskType {
 	 * @since 27.1.0
 	 */
 	public function getDescription(): string {
-		return $this->l->t('Runs an arbitrary prompt through the built-in language model.');
+		return $this->l->t('Runs an arbitrary prompt through the language model.');
 	}
 }
diff --git a/lib/public/TextProcessing/IManager.php b/lib/public/TextProcessing/IManager.php
index c7b101ad510..00646528e68 100644
--- a/lib/public/TextProcessing/IManager.php
+++ b/lib/public/TextProcessing/IManager.php
@@ -82,10 +82,21 @@ interface IManager {
 	public function getTask(int $id): Task;
 
 	/**
+	 * @param int $id The id of the task
+	 * @param string|null $userId The user id that scheduled the task
+	 * @return Task
+	 * @throws RuntimeException If the query failed
+	 * @throws NotFoundException If the task could not be found
+	 * @since 27.1.0
+	 */
+	public function getUserTask(int $id, ?string $userId): Task;
+
+	/**
 	 * @param string $userId
 	 * @param string $appId
 	 * @param string|null $identifier
 	 * @return array
+	 * @since 27.1.0
 	 */
-	public function getTasksByApp(string $userId, string $appId, ?string $identifier = null): array;
+	public function getUserTasksByApp(string $userId, string $appId, ?string $identifier = null): array;
 }