start implementing ocs endpoint to get task list from user+appId+identifier

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

core/Controller/TextProcessingApiController.php

@@ -157,4 +157,36 @@ class TextProcessingApiController extends \OCP\AppFramework\OCSController {
 			return new DataResponse(['message' => $this->l->t('Internal error')], Http::STATUS_INTERNAL_SERVER_ERROR);
 		}
 	}
+
+	/**
+	 * This endpoint returns a list of tasks related with a specific appId and identifier
+	 *
+	 * @PublicPage
+	 * @UserRateThrottle(limit=20, period=120)
+	 *
+	 * @param string $appId
+	 * @param string|null $identifier
+	 * @return DataResponse<Http::STATUS_OK, array{tasks: array{CoreTextProcessingTask}}, array{}>|DataResponse<Http::STATUS_INTERNAL_SERVER_ERROR, array{message: string}, array{}>
+	 *
+	 *  200: Task list returned
+	 */
+	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);
+			$json = array_map(static function (Task $task) {
+				return $task->jsonSerialize();
+			}, $tasks);
+
+			return new DataResponse([
+				'tasks' => $json,
+			]);
+		} catch (\RuntimeException $e) {
+			return new DataResponse(['message' => $this->l->t('Internal error')], Http::STATUS_INTERNAL_SERVER_ERROR);
+		}
+	}
 }

core/routes.php

@@ -149,6 +149,7 @@ $application->registerRoutes($this, [
 		['root' => '/textprocessing', 'name' => 'TextProcessingApi#taskTypes', 'url' => '/tasktypes', 'verb' => 'GET'],
 		['root' => '/textprocessing', 'name' => 'TextProcessingApi#schedule', 'url' => '/schedule', 'verb' => 'POST'],
 		['root' => '/textprocessing', 'name' => 'TextProcessingApi#getTask', 'url' => '/task/{id}', 'verb' => 'GET'],
+		['root' => '/textprocessing', 'name' => 'TextProcessingApi#listTasksByApp', 'url' => '/tasks/app/{appId}', 'verb' => 'GET'],
 	],
 ]);
 

lib/private/TextProcessing/Db/TaskMapper.php

@@ -59,6 +59,25 @@ class TaskMapper extends QBMapper {
 		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 {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select(Task::$columns)
+			->from($this->tableName)
+			->where($qb->expr()->eq('app_id', $qb->createPositionalParameter($appId)))
+			->andWhere($qb->expr()->eq('user_id', $qb->createPositionalParameter($userId)));
+		if ($identifier !== null) {
+			$qb->andWhere($qb->expr()->eq('identifier', $qb->createPositionalParameter($identifier)));
+		}
+		return $this->findEntities($qb);
+	}
+
 	/**
 	 * @param int $timeout
 	 * @return int the number of deleted tasks

lib/private/TextProcessing/Manager.php

@@ -192,7 +192,24 @@ class Manager implements IManager {
 		} catch (MultipleObjectsReturnedException $e) {
 			throw new RuntimeException('Could not uniquely identify task with given id', 0, $e);
 		} catch (Exception $e) {
-			throw new RuntimeException('Failure while trying to find task by id: '.$e->getMessage(), 0, $e);
+			throw new RuntimeException('Failure while trying to find task by id: ' . $e->getMessage(), 0, $e);
+		}
+	}
+
+	/**
+	 * @param string $userId
+	 * @param string $appId
+	 * @param string|null $identifier
+	 * @return array
+	 */
+	public function getTasksByApp(string $userId, string $appId, ?string $identifier = null): array {
+		try {
+			$taskEntities = $this->taskMapper->findByApp($userId, $appId, $identifier);
+			return array_map(static function (DbTask $taskEntity) {
+				return $taskEntity->toPublicTask();
+			}, $taskEntities);
+		} catch (Exception $e) {
+			throw new RuntimeException('Failure while trying to find tasks by appId and identifier: ' . $e->getMessage(), 0, $e);
 		}
 	}
 }

lib/public/TextProcessing/IManager.php

@@ -80,4 +80,12 @@ interface IManager {
 	 * @since 27.1.0
 	 */
 	public function getTask(int $id): Task;
+
+	/**
+	 * @param string $userId
+	 * @param string $appId
+	 * @param string|null $identifier
+	 * @return array
+	 */
+	public function getTasksByApp(string $userId, string $appId, ?string $identifier = null): array;
 }