feat(preset): Add list API

Signed-off-by: Joas Schilling <coding@schilljs.com>

lib/Controller/PresetController.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Controller;
+
+use OCA\Talk\ResponseDefinitions;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\ApiRoute;
+use OCP\AppFramework\Http\Attribute\NoAdminRequired;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\IRequest;
+
+/**
+ * @psalm-import-type TalkConversationPreset from ResponseDefinitions
+ */
+class PresetController extends AEnvironmentAwareOCSController {
+
+	public function __construct(
+		string $appName,
+		IRequest $request,
+	) {
+		parent::__construct($appName, $request);
+	}
+
+	/**
+	 * Get the list of available presets
+	 *
+	 * @return DataResponse<Http::STATUS_OK, list<TalkConversationPreset>, array{}>
+	 *
+	 * 200: Successfully got presets
+	 */
+	#[NoAdminRequired]
+	#[ApiRoute(verb: 'GET', url: '/api/{apiVersion}/preset', requirements: [
+		'apiVersion' => '(v1)',
+		'token' => '[a-z0-9]{4,30}',
+	])]
+	public function getPresets(): DataResponse {
+		return new DataResponse([], Http::STATUS_OK);
+	}
+}

lib/ResponseDefinitions.php

@@ -580,6 +580,13 @@ namespace OCA\Talk;
  *     sendAt: int,
  *     silent: bool,
  * }
+ *
+ * @psalm-type TalkConversationPreset = {
+ *     // Identifier of the preset, currently known: default, webinar, presentation, hallway
+ *     id: string,
+ *     // Translated name of the preset in user's language
+ *     name: string,
+ * }
  */
 class ResponseDefinitions {
 }