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/Chat/Parser/ReactionParser.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Chat\Parser;
+
+use OCA\Talk\Chat\ChatManager;
+use OCA\Talk\Events\MessageParseEvent;
+use OCA\Talk\Model\Message;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+
+/**
+ * @template-implements IEventListener<Event>
+ */
+class ReactionParser implements IEventListener {
+	#[\Override]
+	public function handle(Event $event): void {
+		if (!$event instanceof MessageParseEvent) {
+			return;
+		}
+		$message = $event->getMessage();
+		if ($message->getMessageType() !== ChatManager::VERB_REACTION && $message->getMessageType() !== ChatManager::VERB_REACTION_DELETED) {
+			return;
+		}
+
+		$comment = $message->getComment();
+		if (!in_array($comment->getVerb(), [ChatManager::VERB_REACTION, ChatManager::VERB_REACTION_DELETED], true)) {
+			return;
+		}
+
+		$message->setMessageType(ChatManager::VERB_SYSTEM);
+		if ($comment->getVerb() === ChatManager::VERB_REACTION_DELETED) {
+			// This message is necessary to make compatible with old clients
+			$message->setMessage($message->getL10n()->t('Reaction deleted by author'), [], $comment->getVerb());
+		} else {
+			$message->setMessage($message->getMessage(), [], $comment->getVerb());
+		}
+	}
+}