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/Service/NoteToSelfService.php

@@ -0,0 +1,118 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Service;
+
+use OCA\Talk\Exceptions\RoomNotFoundException;
+use OCA\Talk\Manager;
+use OCA\Talk\Model\Attendee;
+use OCA\Talk\Room;
+use OCP\IConfig;
+use OCP\IL10N;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\PreConditionNotMetException;
+use OCP\Security\ISecureRandom;
+
+class NoteToSelfService {
+	public function __construct(
+		protected IConfig $config,
+		protected IUserManager $userManager,
+		protected Manager $manager,
+		protected RoomService $roomService,
+		protected AvatarService $avatarService,
+		protected ParticipantService $participantService,
+		protected ISecureRandom $secureRandom,
+		protected IL10N $l,
+	) {
+	}
+
+	public function ensureNoteToSelfExistsForUser(string $userId): Room {
+		$noteToSelfId = $this->getNoteToSelfConversationId($userId);
+
+		if ($noteToSelfId !== 0) {
+			try {
+				return $this->manager->getRoomById($noteToSelfId);
+			} catch (RoomNotFoundException) {
+				// Fall through and recreate it …
+			}
+		}
+
+		$currentUser = $this->userManager->get($userId);
+		if (!$currentUser instanceof IUser) {
+			throw new \InvalidArgumentException('User not found');
+		}
+
+		return $this->createNoteToSelfConversation($currentUser, $noteToSelfId);
+	}
+
+	public function initialCreateNoteToSelfForUser(string $userId): void {
+		$noteToSelfId = $this->getNoteToSelfConversationId($userId);
+		if ($noteToSelfId !== 0) {
+			return;
+		}
+
+		// Prefixing with zz, so that casting to int does not give a random roomId for other requests
+		$randomLock = 'zz' . $this->secureRandom->generate(3);
+		$this->config->setUserValue($userId, 'spreed', 'note_to_self', $randomLock);
+
+		$currentUser = $this->userManager->get($userId);
+		if (!$currentUser instanceof IUser) {
+			throw new \InvalidArgumentException('User not found');
+		}
+
+		$this->createNoteToSelfConversation($currentUser, $randomLock);
+	}
+
+	protected function createNoteToSelfConversation(IUser $user, string|int $previousValue): Room {
+		$room = $this->roomService->createConversation(
+			Room::TYPE_NOTE_TO_SELF,
+			$this->l->t('Note to self'),
+			$user,
+			Room::OBJECT_TYPE_NOTE_TO_SELF,
+			$user->getUID()
+		);
+
+		try {
+			$this->config->setUserValue($user->getUID(), 'spreed', 'note_to_self', (string)$room->getId(), (string)$previousValue);
+		} catch (PreConditionNotMetException $e) {
+			// This process didn't win the race for creating the conversation, so fetch the other one
+			$this->roomService->deleteRoom($room);
+
+			// This is a little trick to bypass local caching
+			$values = $this->config->getUserValueForUsers('spreed', 'note_to_self', [$user->getUID()]);
+			if (isset($values[$user->getUID()])) {
+				return $this->manager->getRoomById($values[$user->getUID()]);
+			}
+
+			// Failed to read parallel note-to-self creation
+			throw new RoomNotFoundException('Failed due to parallel requests');
+		}
+
+		$this->roomService->setDescription(
+			$room,
+			$this->l->t('A place for your private notes, thoughts and ideas'),
+		);
+
+		$this->avatarService->setAvatarFromEmoji($room, '📝', '0082c9');
+
+		$participant = $this->participantService->getParticipantByActor(
+			$room,
+			Attendee::ACTOR_USERS,
+			$user->getUID()
+		);
+
+		$this->participantService->updateFavoriteStatus($participant, true);
+
+		return $room;
+	}
+
+	protected function getNoteToSelfConversationId(string $userId): int {
+		return (int)$this->config->getUserValue($userId, 'spreed', 'note_to_self', '0');
+	}
+}