UPSTREAM BASELINE: nextcloud/spreed v22.0.12 (без изменений)

Источник: https://github.com/nextcloud/spreed/archive/refs/tags/v22.0.12.tar.gz
С этого коммита ветка официального Nextcloud Talk отрезана (решение владельца 2026-07-06).
Все дальнейшие изменения — только наши; версии релизов: 22.0.12-f7.N.

lib/Controller/CallNotificationController.php

@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Controller;
+
+use OCA\Talk\Service\ParticipantService;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\NoAdminRequired;
+use OCP\AppFramework\Http\Attribute\OpenAPI;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCSController;
+use OCP\IRequest;
+
+class CallNotificationController extends OCSController {
+	public const CASE_STILL_CURRENT = 0;
+	public const CASE_ROOM_NOT_FOUND = 1;
+	public const CASE_MISSED_CALL = 2;
+	public const CASE_PARTICIPANT_JOINED = 3;
+
+
+	public function __construct(
+		string $appName,
+		IRequest $request,
+		protected ParticipantService $participantService,
+		protected ?string $userId,
+	) {
+		parent::__construct($appName, $request);
+	}
+
+	/**
+	 * Check the expected state of a call notification
+	 *
+	 * Required capability: `call-notification-state-api`
+	 *
+	 * @param string $token Conversation token to check
+	 * @return DataResponse<Http::STATUS_OK|Http::STATUS_CREATED|Http::STATUS_FORBIDDEN|Http::STATUS_NOT_FOUND, null, array{}>
+	 *
+	 * 200: Notification should be kept alive
+	 * 201: Dismiss call notification and show "Missed call"-notification instead
+	 * 403: Not logged in, try again with auth data sent
+	 * 404: Dismiss call notification
+	 */
+	#[NoAdminRequired]
+	#[OpenAPI(tags: ['call'])]
+	public function state(string $token): DataResponse {
+		if ($this->userId === null) {
+			return new DataResponse(null, Http::STATUS_FORBIDDEN);
+		}
+
+		$status = match($this->participantService->checkIfUserIsMissingCall($token, $this->userId)) {
+			self::CASE_PARTICIPANT_JOINED,
+			self::CASE_ROOM_NOT_FOUND => Http::STATUS_NOT_FOUND,
+			self::CASE_MISSED_CALL => Http::STATUS_CREATED,
+			self::CASE_STILL_CURRENT => Http::STATUS_OK,
+		};
+
+		return new DataResponse(null, $status);
+	}
+}