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authorMarcel Klehr <mklehr@gmx.net>2023-07-14 15:59:50 +0200
committerMarcel Klehr <mklehr@gmx.net>2023-08-09 10:05:05 +0200
commitcf2c42ae36a3c7280887bd3f15329739f9a6d221 (patch)
tree3e682483cc8177afd7b9e682fcaa103791f78d2a /lib/public/TextProcessing
parent696a45ddf1d460de7ffa6f252912375efd7e190e (diff)
downloadnextcloud-server-cf2c42ae36a3c7280887bd3f15329739f9a6d221.tar.gz
nextcloud-server-cf2c42ae36a3c7280887bd3f15329739f9a6d221.zip
Massive refactoring: Turn LanguageModel OCP API into TextProcessing API
Signed-off-by: Marcel Klehr <mklehr@gmx.net> (cherry picked from commit ffe27ce14ca74b509c8721c9fba7c759498fa471)
Diffstat (limited to 'lib/public/TextProcessing')
-rw-r--r--lib/public/TextProcessing/Events/AbstractTextProcessingEvent.php52
-rw-r--r--lib/public/TextProcessing/Events/TaskFailedEvent.php30
-rw-r--r--lib/public/TextProcessing/Events/TaskSuccessfulEvent.php18
-rw-r--r--lib/public/TextProcessing/FreePromptTaskType.php60
-rw-r--r--lib/public/TextProcessing/HeadlineTaskType.php60
-rw-r--r--lib/public/TextProcessing/IManager.php77
-rw-r--r--lib/public/TextProcessing/IProvider.php61
-rw-r--r--lib/public/TextProcessing/ITaskType.php49
-rw-r--r--lib/public/TextProcessing/SummaryTaskType.php60
-rw-r--r--lib/public/TextProcessing/Task.php235
-rw-r--r--lib/public/TextProcessing/TopicsTaskType.php60
11 files changed, 762 insertions, 0 deletions
diff --git a/lib/public/TextProcessing/Events/AbstractTextProcessingEvent.php b/lib/public/TextProcessing/Events/AbstractTextProcessingEvent.php
new file mode 100644
index 00000000000..10c592fe031
--- /dev/null
+++ b/lib/public/TextProcessing/Events/AbstractTextProcessingEvent.php
@@ -0,0 +1,52 @@
+<?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 OCP\TextProcessing\Events;
+
+use OCP\EventDispatcher\Event;
+use OCP\TextProcessing\ILanguageModelTask;
+use OCP\TextProcessing\Task;
+
+/**
+ * @since 27.1.0
+ */
+abstract class AbstractTextProcessingEvent extends Event {
+ /**
+ * @since 27.1.0
+ */
+ public function __construct(
+ private Task $task
+ ) {
+ parent::__construct();
+ }
+
+ /**
+ * @return Task
+ * @since 27.1.0
+ */
+ public function getTask(): Task {
+ return $this->task;
+ }
+}
diff --git a/lib/public/TextProcessing/Events/TaskFailedEvent.php b/lib/public/TextProcessing/Events/TaskFailedEvent.php
new file mode 100644
index 00000000000..f9765e362dc
--- /dev/null
+++ b/lib/public/TextProcessing/Events/TaskFailedEvent.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace OCP\TextProcessing\Events;
+
+use OCP\TextProcessing\Task;
+
+/**
+ * @since 27.1.0
+ */
+class TaskFailedEvent extends AbstractTextProcessingEvent {
+ /**
+ * @param Task $task
+ * @param string $errorMessage
+ * @since 27.1.0
+ */
+ public function __construct(
+ Task $task,
+ private string $errorMessage,
+ ) {
+ parent::__construct($task);
+ }
+
+ /**
+ * @return string
+ * @since 27.1.0
+ */
+ public function getErrorMessage(): string {
+ return $this->errorMessage;
+ }
+}
diff --git a/lib/public/TextProcessing/Events/TaskSuccessfulEvent.php b/lib/public/TextProcessing/Events/TaskSuccessfulEvent.php
new file mode 100644
index 00000000000..73fbbb87f45
--- /dev/null
+++ b/lib/public/TextProcessing/Events/TaskSuccessfulEvent.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace OCP\TextProcessing\Events;
+
+use OCP\TextProcessing\Task;
+
+/**
+ * @since 27.1.0
+ */
+class TaskSuccessfulEvent extends AbstractTextProcessingEvent {
+ /**
+ * @param Task $task
+ * @since 27.1.0
+ */
+ public function __construct(Task $task) {
+ parent::__construct($task);
+ }
+}
diff --git a/lib/public/TextProcessing/FreePromptTaskType.php b/lib/public/TextProcessing/FreePromptTaskType.php
new file mode 100644
index 00000000000..aa1d6842b54
--- /dev/null
+++ b/lib/public/TextProcessing/FreePromptTaskType.php
@@ -0,0 +1,60 @@
+<?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 OCP\TextProcessing;
+
+use OCP\IL10N;
+
+/**
+ * This is the text processing task type for free prompting
+ * @since 27.1.0
+ */
+class FreePromptTaskType implements ITaskType {
+ /**
+ * Constructor for FreePromptTaskType
+ *
+ * @param IL10N $l
+ * @since 27.1.0
+ */
+ public function __construct(
+ private IL10N $l,
+ ) {
+ }
+
+
+ /**
+ * @inheritDoc
+ */
+ public function getName(): string {
+ return $this->l->t('Free prompt');
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function getDescription(): string {
+ return $this->l->t('Runs an arbitrary prompt through the built-in language model.');
+ }
+}
diff --git a/lib/public/TextProcessing/HeadlineTaskType.php b/lib/public/TextProcessing/HeadlineTaskType.php
new file mode 100644
index 00000000000..4ced298fd4d
--- /dev/null
+++ b/lib/public/TextProcessing/HeadlineTaskType.php
@@ -0,0 +1,60 @@
+<?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 OCP\TextProcessing;
+
+use OCP\IL10N;
+
+/**
+ * This is the text processing task type for creating headline
+ * @since 27.1.0
+ */
+class HeadlineTaskType implements ITaskType {
+ /**
+ * Constructor for HeadlineTaskType
+ *
+ * @param IL10N $l
+ * @since 27.1.0
+ */
+ public function __construct(
+ private IL10N $l,
+ ) {
+ }
+
+
+ /**
+ * @inheritDoc
+ */
+ public function getName(): string {
+ return $this->l->t('Generate headline');
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function getDescription(): string {
+ return $this->l->t('Generates a possible headline for a text');
+ }
+}
diff --git a/lib/public/TextProcessing/IManager.php b/lib/public/TextProcessing/IManager.php
new file mode 100644
index 00000000000..90e25894d4f
--- /dev/null
+++ b/lib/public/TextProcessing/IManager.php
@@ -0,0 +1,77 @@
+<?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 OCP\TextProcessing;
+
+use OCP\Common\Exception\NotFoundException;
+use OCP\PreConditionNotMetException;
+use RuntimeException;
+
+/**
+ * API surface for apps interacting with and making use of LanguageModel providers
+ * without known which providers are installed
+ * @since 27.1.0
+ */
+interface IManager {
+ /**
+ * @since 27.1.0
+ */
+ public function hasProviders(): bool;
+
+ /**
+ * @return class-string<ITaskType>[]
+ * @since 27.1.0
+ */
+ public function getAvailableTaskTypes(): array;
+
+ /**
+ * @param Task $task The task to run
+ * @throws PreConditionNotMetException If no or not the requested provider was registered but this method was still called
+ * @throws RuntimeException If something else failed
+ * @since 27.1.0
+ */
+ public function runTask(Task $task): string;
+
+ /**
+ * Will schedule an LLM inference process in the background. The result will become available
+ * with the \OCP\LanguageModel\Events\TaskSuccessfulEvent
+ * If inference fails a \OCP\LanguageModel\Events\TaskFailedEvent will be dispatched instead
+ *
+ * @param Task $task The task to schedule
+ * @throws PreConditionNotMetException If no or not the requested provider was registered but this method was still called
+ * @since 27.1.0
+ */
+ public function scheduleTask(Task $task) : void;
+
+ /**
+ * @param int $id The id of 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 getTask(int $id): Task;
+}
diff --git a/lib/public/TextProcessing/IProvider.php b/lib/public/TextProcessing/IProvider.php
new file mode 100644
index 00000000000..3eb83aef8c3
--- /dev/null
+++ b/lib/public/TextProcessing/IProvider.php
@@ -0,0 +1,61 @@
+<?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 OCP\TextProcessing;
+
+use RuntimeException;
+
+/**
+ * This is the interface that is implemented by apps that
+ * implement a text processing provider
+ * @template T of ITaskType
+ * @since 27.1.0
+ */
+interface IProvider {
+ /**
+ * The localized name of this provider
+ * @since 27.1.0
+ */
+ public function getName(): string;
+
+ /**
+ * Processes a text
+ *
+ * @param string $prompt The input text
+ * @return string the output text
+ * @since 27.1.0
+ * @throws RuntimeException If the text could not be processed
+ */
+ public function process(string $prompt): string;
+
+ /**
+ * Returns the task type class string of the task type, that this
+ * provider handles
+ *
+ * @return class-string<T>
+ */
+ public function getTaskType(): string;
+}
diff --git a/lib/public/TextProcessing/ITaskType.php b/lib/public/TextProcessing/ITaskType.php
new file mode 100644
index 00000000000..d08da3f7ac7
--- /dev/null
+++ b/lib/public/TextProcessing/ITaskType.php
@@ -0,0 +1,49 @@
+<?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 OCP\TextProcessing;
+
+/**
+ * This is a task type interface that is implemented by text processing
+ * task types
+ * @since 27.1.0
+ */
+interface ITaskType {
+ /**
+ * Returns the localized name of this task type
+ *
+ * @since 27.1.0
+ * @return string
+ */
+ public function getName(): string;
+
+ /**
+ * Returns the localized description of this task type
+ *
+ * @since 27.1.0
+ * @return string
+ */
+ public function getDescription(): string;
+}
diff --git a/lib/public/TextProcessing/SummaryTaskType.php b/lib/public/TextProcessing/SummaryTaskType.php
new file mode 100644
index 00000000000..7db695c18f7
--- /dev/null
+++ b/lib/public/TextProcessing/SummaryTaskType.php
@@ -0,0 +1,60 @@
+<?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 OCP\TextProcessing;
+
+use OCP\IL10N;
+
+/**
+ * This is the text processing task type for summaries
+ * @since 27.1.0
+ */
+class SummaryTaskType implements ITaskType {
+ /**
+ * Constructor for SummaryTaskType
+ *
+ * @param IL10N $l
+ * @since 27.1.0
+ */
+ public function __construct(
+ private IL10N $l,
+ ) {
+ }
+
+
+ /**
+ * @inheritDoc
+ */
+ public function getName(): string {
+ return $this->l->t('Summarize');
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function getDescription(): string {
+ return $this->l->t('Summarizes text by reducing its length without losing key information.');
+ }
+}
diff --git a/lib/public/TextProcessing/Task.php b/lib/public/TextProcessing/Task.php
new file mode 100644
index 00000000000..59cd38b720c
--- /dev/null
+++ b/lib/public/TextProcessing/Task.php
@@ -0,0 +1,235 @@
+<?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 OCP\TextProcessing;
+
+/**
+ * This is a text processing task
+ * @since 27.1.0
+ * @template T of ITaskType
+ */
+final class Task implements \JsonSerializable {
+ protected ?int $id = null;
+ protected ?string $output = null;
+
+ /**
+ * @since 27.1.0
+ */
+ public const TYPES = [
+ FreePromptTaskType::class,
+ SummaryTaskType::class,
+ HeadlineTaskType::class,
+ TopicsTaskType::class,
+ ];
+
+ /**
+ * @since 27.1.0
+ */
+ public const STATUS_FAILED = 4;
+ /**
+ * @since 27.1.0
+ */
+ public const STATUS_SUCCESSFUL = 3;
+ /**
+ * @since 27.1.0
+ */
+ public const STATUS_RUNNING = 2;
+ /**
+ * @since 27.1.0
+ */
+ public const STATUS_SCHEDULED = 1;
+ /**
+ * @since 27.1.0
+ */
+ public const STATUS_UNKNOWN = 0;
+
+ /**
+ * @psalm-var self::STATUS_*
+ */
+ protected int $status = self::STATUS_UNKNOWN;
+
+ /**
+ * @param class-string<T> $type
+ * @param string $input
+ * @param string $appId
+ * @param string|null $userId
+ * @param string $identifier An arbitrary identifier for this task. max length: 255 chars
+ * @since 27.1.0
+ */
+ final public function __construct(
+ protected string $type,
+ protected string $input,
+ protected string $appId,
+ protected ?string $userId,
+ protected string $identifier = '',
+ ) {
+ }
+
+ /**
+ * @psalm-param IProvider<T> $provider
+ * @param IProvider $provider
+ * @return string
+ * @since 27.1.0
+ */
+ public function visitProvider(IProvider $provider): string {
+ if ($this->canUseProvider($provider)) {
+ return $provider->process($this->getInput());
+ } else {
+ throw new \RuntimeException('Task of type ' . $this->getType() . ' cannot visit provider with task type ' . $provider->getTaskType());
+ }
+ }
+
+ /**
+ * @psalm-param IProvider<T> $provider
+ * @param IProvider $provider
+ * @return bool
+ * @since 27.1.0
+ */
+ public function canUseProvider(IProvider $provider): bool {
+ return $provider->getTaskType() === $this->getType();
+ }
+
+ /**
+ * @return class-string<T>
+ * @since 27.1.0
+ */
+ final public function getType(): string {
+ return $this->type;
+ }
+
+ /**
+ * @return string|null
+ * @since 27.1.0
+ */
+ final public function getOutput(): ?string {
+ return $this->output;
+ }
+
+ /**
+ * @param string|null $output
+ * @since 27.1.0
+ */
+ final public function setOutput(?string $output): void {
+ $this->output = $output;
+ }
+
+ /**
+ * @psalm-return self::STATUS_*
+ * @since 27.1.0
+ */
+ final public function getStatus(): int {
+ return $this->status;
+ }
+
+ /**
+ * @psalm-param self::STATUS_* $status
+ * @since 27.1.0
+ */
+ final public function setStatus(int $status): void {
+ $this->status = $status;
+ }
+
+ /**
+ * @return int|null
+ * @since 27.1.0
+ */
+ final public function getId(): ?int {
+ return $this->id;
+ }
+
+ /**
+ * @param int|null $id
+ * @since 27.1.0
+ */
+ final public function setId(?int $id): void {
+ $this->id = $id;
+ }
+
+ /**
+ * @return string
+ * @since 27.1.0
+ */
+ final public function getInput(): string {
+ return $this->input;
+ }
+
+ /**
+ * @return string
+ * @since 27.1.0
+ */
+ final public function getAppId(): string {
+ return $this->appId;
+ }
+
+ /**
+ * @return string
+ * @since 27.1.0
+ */
+ final public function getIdentifier(): string {
+ return $this->identifier;
+ }
+
+ /**
+ * @return string|null
+ * @since 27.1.0
+ */
+ final public function getUserId(): ?string {
+ return $this->userId;
+ }
+
+ /**
+ * @return array{id: ?string, type: class-string<T>, status: int, userId: ?string, appId: string, input: string, output: ?string, identifier: string}
+ * @since 27.1.0
+ */
+ public function jsonSerialize(): array {
+ return [
+ 'id' => $this->getId(),
+ 'type' => $this->getType(),
+ 'status' => $this->getStatus(),
+ 'userId' => $this->getUserId(),
+ 'appId' => $this->getAppId(),
+ 'input' => $this->getInput(),
+ 'output' => $this->getOutput(),
+ 'identifier' => $this->getIdentifier(),
+ ];
+ }
+
+ /**
+ * @param string $type
+ * @param string $input
+ * @param string|null $userId
+ * @param string $appId
+ * @param string $identifier
+ * @return Task
+ * @throws \InvalidArgumentException
+ * @since 27.1.0
+ */
+ final public static function factory(string $type, string $input, ?string $userId, string $appId, string $identifier = ''): Task {
+ if (!in_array($type, self::TYPES)) {
+ throw new \InvalidArgumentException('Unknown task type');
+ }
+ return new Task($type, $input, $appId, $userId, $identifier);
+ }
+}
diff --git a/lib/public/TextProcessing/TopicsTaskType.php b/lib/public/TextProcessing/TopicsTaskType.php
new file mode 100644
index 00000000000..8b41b3ee61a
--- /dev/null
+++ b/lib/public/TextProcessing/TopicsTaskType.php
@@ -0,0 +1,60 @@
+<?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 OCP\TextProcessing;
+
+use OCP\IL10N;
+
+/**
+ * This is the text processing task type for topics extraction
+ * @since 27.1.0
+ */
+class TopicsTaskType implements ITaskType {
+ /**
+ * Constructor for TopicsTaskType
+ *
+ * @param IL10N $l
+ * @since 27.1.0
+ */
+ public function __construct(
+ private IL10N $l,
+ ) {
+ }
+
+
+ /**
+ * @inheritDoc
+ */
+ public function getName(): string {
+ return $this->l->t('Extract topics');
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function getDescription(): string {
+ return $this->l->t('Extracts topics from a text and outputs them separated by commas.');
+ }
+}