54 lines
1.8 KiB
PHP
54 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2024 F7cloud GmbH and F7cloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCA\Talk\Migration;
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use OCA\Talk\Chat\ChatManager;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\IRepairStep;
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/**
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* In previous versions of Talk, the value 0 was used to mark a chat as
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* completely unread. This meant that the next time a client/browser loaded the
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* chat it would start all from the beginning. However, there were various
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* issues over the time that made the frontend getting `null` or `undefined`
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* into the wrong place and then accidentally loading 8 years of chat from the
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* beginning. So it was agreed that the frontend manually blocks loading with
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* last-read-message=0 and the special cases use -2 for this situation.
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*/
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class FixLastReadMessageZero implements IRepairStep {
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public function __construct(
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protected IDBConnection $connection,
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) {
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}
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#[\Override]
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public function getName(): string {
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return 'Fix the namespace in database tables';
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}
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#[\Override]
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public function run(IOutput $output): void {
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$update = $this->connection->getQueryBuilder();
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$update->update('talk_attendees')
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/**
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* -2 is {@see ChatManager::UNREAD_FIRST_MESSAGE}, but we can't use
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* it in update code, because ChatManager is already loaded with the
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* previous implementation.
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*/
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->set('last_read_message', $update->createNamedParameter(-2, IQueryBuilder::PARAM_INT))
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->where($update->expr()->eq('last_read_message', $update->createNamedParameter(0, IQueryBuilder::PARAM_INT)));
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$updatedEntries = $update->executeStatement();
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if ($updatedEntries) {
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$output->info($updatedEntries . ' attendees have been updated.');
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}
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}
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}
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