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/ReactionManager.php

@@ -0,0 +1,210 @@
+<?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;
+
+use OCA\Talk\Events\BeforeReactionAddedEvent;
+use OCA\Talk\Events\BeforeReactionRemovedEvent;
+use OCA\Talk\Events\ReactionAddedEvent;
+use OCA\Talk\Events\ReactionRemovedEvent;
+use OCA\Talk\Exceptions\ReactionAlreadyExistsException;
+use OCA\Talk\Exceptions\ReactionNotSupportedException;
+use OCA\Talk\Exceptions\ReactionOutOfContextException;
+use OCA\Talk\Participant;
+use OCA\Talk\ResponseDefinitions;
+use OCA\Talk\Room;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Comments\IComment;
+use OCP\Comments\NotFoundException;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\IL10N;
+use OCP\PreConditionNotMetException;
+
+/**
+ * @psalm-import-type TalkReaction from ResponseDefinitions
+ */
+class ReactionManager {
+
+	public function __construct(
+		private ChatManager $chatManager,
+		private CommentsManager $commentsManager,
+		private IL10N $l,
+		private MessageParser $messageParser,
+		private Notifier $notifier,
+		protected IEventDispatcher $dispatcher,
+		protected ITimeFactory $timeFactory,
+	) {
+	}
+
+	/**
+	 * Add reaction
+	 *
+	 * @throws NotFoundException
+	 * @throws ReactionAlreadyExistsException
+	 * @throws ReactionNotSupportedException
+	 * @throws ReactionOutOfContextException
+	 */
+	public function addReactionMessage(Room $chat, string $actorType, string $actorId, string $actorDisplayName, int $messageId, string $reaction): IComment {
+		$parentMessage = $this->getCommentToReact($chat, (string)$messageId);
+		try {
+			// Check if the user already reacted with the same reaction
+			$this->commentsManager->getReactionComment(
+				(int)$parentMessage->getId(),
+				$actorType,
+				$actorId,
+				$reaction
+			);
+			throw new ReactionAlreadyExistsException();
+		} catch (NotFoundException $e) {
+		}
+
+		/** @var IComment $comment */
+		$comment = $this->commentsManager->create(
+			$actorType,
+			$actorId,
+			'chat',
+			(string)$chat->getId()
+		);
+		$comment->setParentId($parentMessage->getId());
+		$comment->setMessage($reaction);
+		$comment->setVerb(ChatManager::VERB_REACTION);
+		$comment->setExpireDate($parentMessage->getExpireDate());
+
+		$event = new BeforeReactionAddedEvent($chat, $parentMessage, $actorType, $actorId, $actorDisplayName, $reaction);
+		$this->dispatcher->dispatchTyped($event);
+
+		$this->commentsManager->save($comment);
+
+		$event = new ReactionAddedEvent($chat, $parentMessage, $actorType, $actorId, $actorDisplayName, $reaction, $comment);
+		$this->dispatcher->dispatchTyped($event);
+
+		$this->notifier->notifyReacted($chat, $parentMessage, $comment);
+		return $comment;
+	}
+
+	/**
+	 * Delete reaction
+	 *
+	 * @param Room $chat
+	 * @param string $actorType
+	 * @param string $actorId
+	 * @param integer $messageId
+	 * @param string $reaction
+	 * @return IComment
+	 * @throws NotFoundException
+	 * @throws ReactionNotSupportedException
+	 * @throws ReactionOutOfContextException
+	 */
+	public function deleteReactionMessage(Room $chat, string $actorType, string $actorId, string $actorDisplayName, int $messageId, string $reaction): IComment {
+		// Just to verify that messageId is part of the room and throw error if not.
+		$parentComment = $this->getCommentToReact($chat, (string)$messageId);
+
+		$event = new BeforeReactionRemovedEvent($chat, $parentComment, $actorType, $actorId, $actorDisplayName, $reaction);
+		$this->dispatcher->dispatchTyped($event);
+
+		$comment = $this->commentsManager->getReactionComment(
+			$messageId,
+			$actorType,
+			$actorId,
+			$reaction
+		);
+		$comment->setMessage(
+			json_encode([
+				'deleted_by_type' => $actorType,
+				'deleted_by_id' => $actorId,
+				'deleted_on' => $this->timeFactory->getDateTime()->getTimestamp(),
+			])
+		);
+		$comment->setVerb(ChatManager::VERB_REACTION_DELETED);
+		$this->commentsManager->save($comment);
+
+		$this->chatManager->addSystemMessage(
+			$chat,
+			null,
+			$actorType,
+			$actorId,
+			json_encode(['message' => 'reaction_revoked', 'parameters' => ['message' => (int)$comment->getId()]]),
+			$this->timeFactory->getDateTime(),
+			false,
+			null,
+			$parentComment,
+			true
+		);
+
+		$event = new ReactionRemovedEvent($chat, $parentComment, $actorType, $actorId, $actorDisplayName, $reaction, $comment);
+		$this->dispatcher->dispatchTyped($event);
+
+		return $comment;
+	}
+
+	/**
+	 * @return array<string, list<TalkReaction>>
+	 * @throws PreConditionNotMetException
+	 */
+	public function retrieveReactionMessages(Room $chat, Participant $participant, int $messageId, ?string $reaction = null): array {
+		if ($reaction) {
+			$comments = $this->commentsManager->retrieveAllReactionsWithSpecificReaction($messageId, $reaction);
+		} else {
+			$comments = $this->commentsManager->retrieveAllReactions($messageId);
+		}
+
+		$reactions = [];
+		foreach ($comments as $comment) {
+			$message = $this->messageParser->createMessage($chat, $participant, $comment, $this->l);
+			$this->messageParser->parseMessage($message);
+
+			$reactions[$comment->getMessage()][] = [
+				'actorType' => $comment->getActorType(),
+				'actorId' => $comment->getActorId(),
+				'actorDisplayName' => $message->getActorDisplayName(),
+				'timestamp' => $comment->getCreationDateTime()->getTimestamp(),
+			];
+		}
+		return $reactions;
+	}
+
+	/**
+	 * @param Participant $participant
+	 * @param array $messageIds
+	 * @return array[]
+	 * @psalm-return array<int, string[]>
+	 */
+	public function getReactionsByActorForMessages(Participant $participant, array $messageIds): array {
+		return $this->commentsManager->retrieveReactionsByActor(
+			$participant->getAttendee()->getActorType(),
+			$participant->getAttendee()->getActorId(),
+			$messageIds
+		);
+	}
+
+	/**
+	 * @param Room $chat
+	 * @param string $messageId
+	 * @return IComment
+	 * @throws NotFoundException
+	 * @throws ReactionNotSupportedException
+	 * @throws ReactionOutOfContextException
+	 */
+	public function getCommentToReact(Room $chat, string $messageId): IComment {
+		if (!$this->commentsManager->supportReactions()) {
+			throw new ReactionNotSupportedException();
+		}
+		$comment = $this->commentsManager->get($messageId);
+
+		if ($comment->getObjectType() !== 'chat'
+			|| $comment->getObjectId() !== (string)$chat->getId()
+			|| !in_array($comment->getVerb(), [
+				ChatManager::VERB_MESSAGE,
+				ChatManager::VERB_OBJECT_SHARED,
+			], true)) {
+			throw new ReactionOutOfContextException();
+		}
+
+		return $comment;
+	}
+}