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09aea6312b
If we don't find previews in the filecache, this is now normal. Don't abort and instead delete previews from the new preview table instead. Signed-off-by: Carl Schwan <carlschwan@kde.org>
107 lines
3.3 KiB
PHP
107 lines
3.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\Core\Command\Preview;
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use OC\Core\Command\Base;
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use OC\Preview\PreviewService;
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use OCP\DB\Exception;
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use OCP\Files\Folder;
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use OCP\Files\IRootFolder;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use Psr\Log\LoggerInterface;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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class Cleanup extends Base {
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public function __construct(
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private IRootFolder $rootFolder,
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private LoggerInterface $logger,
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private PreviewService $previewService,
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) {
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parent::__construct();
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}
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#[\Override]
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protected function configure(): void {
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$this
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->setName('preview:cleanup')
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->setDescription('Removes existing preview files');
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}
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#[\Override]
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protected function execute(InputInterface $input, OutputInterface $output): int {
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if ($this->deletePreviewFromFileCacheTable($output) !== 0) {
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return 1;
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}
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return $this->deletePreviewFromPreviewTable($output);
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}
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/**
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* Delete from the new oc_previews table.
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*/
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private function deletePreviewFromPreviewTable(OutputInterface $output): int {
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try {
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$this->previewService->deleteAll();
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return 0;
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} catch (NotPermittedException|Exception $e) {
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$this->logger->error("Previews can't be removed: exception occurred: " . $e->getMessage(), ['exception' => $e]);
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$output->writeln("Previews can't be removed: " . $e->getMessage() . '. See the logs for more details.');
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return 1;
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}
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}
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/**
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* Legacy in case there are still previews stored there.
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*/
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private function deletePreviewFromFileCacheTable(OutputInterface $output): int {
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try {
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$appDataFolder = $this->rootFolder->get($this->rootFolder->getAppDataDirectoryName());
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if (!$appDataFolder instanceof Folder) {
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$this->logger->error("Previews can't be removed: appdata is not a folder");
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$output->writeln("Previews can't be removed: appdata is not a folder");
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return 1;
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}
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/** @var Folder $previewFolder */
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$previewFolder = $appDataFolder->get('preview');
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} catch (NotFoundException $e) {
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$this->logger->info("Legacy previews can't be removed: appdata folder can't be found", ['exception' => $e]);
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return 0;
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}
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if (!$previewFolder->isDeletable()) {
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$this->logger->error("Previews can't be removed: preview folder isn't deletable");
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$output->writeln("Previews can't be removed: preview folder isn't deletable");
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return 1;
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}
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try {
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$previewFolder->delete();
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$this->logger->debug('Preview folder deleted');
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$output->writeln('Preview folder deleted', OutputInterface::VERBOSITY_VERBOSE);
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} catch (NotFoundException $e) {
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$output->writeln("Previews weren't deleted: preview folder was not found while deleting it");
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$this->logger->error("Previews weren't deleted: preview folder was not found while deleting it", ['exception' => $e]);
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return 1;
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} catch (NotPermittedException $e) {
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$output->writeln("Previews weren't deleted: you don't have the permission to delete preview folder");
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$this->logger->error("Previews weren't deleted: you don't have the permission to delete preview folder", ['exception' => $e]);
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return 1;
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}
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$output->writeln('Previews removed');
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return 0;
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}
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}
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