nextcloud-server/core/Command/Preview/ResetRenderedTexts.php

119 lines
3.1 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Core\Command\Preview;
use OC\Preview\Db\Preview;
use OC\Preview\PreviewService;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\IAvatarManager;
use OCP\IDBConnection;
use OCP\IUserManager;
use Override;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class ResetRenderedTexts extends Command {
public function __construct(
protected readonly IDBConnection $connection,
protected readonly IUserManager $userManager,
protected readonly IAvatarManager $avatarManager,
private readonly PreviewService $previewService,
) {
parent::__construct();
}
#[Override]
protected function configure(): void {
$this
->setName('preview:reset-rendered-texts')
->setDescription('Deletes all generated avatars and previews of text and md files')
->addOption('dry', 'd', InputOption::VALUE_NONE, 'Dry mode - will not delete any files - in combination with the verbose mode one could check the operations.');
}
#[Override]
protected function execute(InputInterface $input, OutputInterface $output): int {
$dryMode = $input->getOption('dry');
if ($dryMode) {
$output->writeln('INFO: The command is run in dry mode and will not modify anything.');
$output->writeln('');
}
$this->deleteAvatars($output, $dryMode);
$this->deletePreviews($output, $dryMode);
return 0;
}
private function deleteAvatars(OutputInterface $output, bool $dryMode): void {
$avatarsToDeleteCount = 0;
foreach ($this->getAvatarsToDelete() as [$userId, $avatar]) {
$output->writeln('Deleting avatar for ' . $userId, OutputInterface::VERBOSITY_VERBOSE);
$avatarsToDeleteCount++;
if ($dryMode) {
continue;
}
try {
$avatar->remove();
} catch (NotFoundException|NotPermittedException) {
// continue
}
}
$output->writeln('Deleted ' . $avatarsToDeleteCount . ' avatars');
$output->writeln('');
}
private function getAvatarsToDelete(): \Iterator {
foreach ($this->userManager->searchDisplayName('') as $user) {
$avatar = $this->avatarManager->getAvatar($user->getUID());
if (!$avatar->isCustomAvatar()) {
yield [$user->getUID(), $avatar];
}
}
}
private function deletePreviews(OutputInterface $output, bool $dryMode): void {
$previewsToDeleteCount = 0;
foreach ($this->getPreviewsToDelete() as $preview) {
$output->writeln('Deleting preview ' . $preview->getName() . ' for fileId ' . $preview->getFileId(), OutputInterface::VERBOSITY_VERBOSE);
$previewsToDeleteCount++;
if ($dryMode) {
continue;
}
$this->previewService->deletePreview($preview);
}
$output->writeln('Deleted ' . $previewsToDeleteCount . ' previews');
}
/**
* @return \Generator<Preview>
*/
private function getPreviewsToDelete(): \Generator {
return $this->previewService->getPreviewsForMimeTypes([
'text/plain',
'text/markdown',
'text/x-markdown'
]);
}
}