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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
*
* @author Côme Chilliet <come.chilliet@nextcloud.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Files_Trashbin\UserMigration;
use OCA\Files_Trashbin\AppInfo\Application;
use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IDBConnection;
use OCP\IUser;
use OCP\UserMigration\IExportDestination;
use OCP\UserMigration\IImportSource;
use OCP\UserMigration\IMigrator;
use OCP\UserMigration\TMigratorBasicVersionHandling;
use OCP\UserMigration\UserMigrationException;
use Symfony\Component\Console\Output\OutputInterface;
class TrashbinMigrator implements IMigrator {
use TMigratorBasicVersionHandling;
protected const PATH_FILES_FOLDER = Application::APP_ID.'/files';
protected const PATH_LOCATIONS_FILE = Application::APP_ID.'/locations.json';
protected IRootFolder $root;
protected IDBConnection $dbc;
public function __construct(
IRootFolder $rootFolder,
IDBConnection $dbc
) {
$this->root = $rootFolder;
$this->dbc = $dbc;
}
/**
* {@inheritDoc}
*/
public function export(IUser $user, IExportDestination $exportDestination, OutputInterface $output): void {
$output->writeln('Exporting trashbin into ' . Application::APP_ID . '…');
$uid = $user->getUID();
try {
$trashbinFolder = $this->root->get('/'.$uid.'/files_trashbin');
if (!$trashbinFolder instanceof Folder) {
throw new UserMigrationException('Could not export trashbin, /'.$uid.'/files_trashbin is not a folder');
}
$output->writeln("Exporting trashbin files…");
if ($exportDestination->copyFolder($trashbinFolder, static::PATH_FILES_FOLDER) === false) {
throw new UserMigrationException("Could not export trashbin.");
}
$originalLocations = \OCA\Files_Trashbin\Trashbin::getLocations($uid);
if ($exportDestination->addFileContents(static::PATH_LOCATIONS_FILE, json_encode($originalLocations)) === false) {
throw new UserMigrationException("Could not export trashbin.");
}
} catch (NotFoundException $e) {
$output->writeln("No trashbin to export…");
}
}
/**
* {@inheritDoc}
*/
public function import(IUser $user, IImportSource $importSource, OutputInterface $output): void {
if ($importSource->getMigratorVersion(static::class) === null) {
$output->writeln('No version for ' . static::class . ', skipping import…');
return;
}
$output->writeln('Importing trashbin from ' . Application::APP_ID . '…');
$uid = $user->getUID();
if ($importSource->pathExists(static::PATH_FILES_FOLDER)) {
try {
$trashbinFolder = $this->root->get('/'.$uid.'/files_trashbin');
if (!$trashbinFolder instanceof Folder) {
throw new UserMigrationException('Could not import trashbin, /'.$uid.'/files_trashbin is not a folder');
}
} catch (NotFoundException $e) {
$trashbinFolder = $this->root->newFolder('/'.$uid.'/files_trashbin');
}
$output->writeln("Importing trashbin files…");
if ($importSource->copyToFolder($trashbinFolder, static::PATH_FILES_FOLDER) === false) {
throw new UserMigrationException("Could not import trashbin.");
}
$locations = json_decode($importSource->getFileContents(static::PATH_LOCATIONS_FILE), true, 512, JSON_THROW_ON_ERROR);
$qb = $this->dbc->getQueryBuilder();
$qb->insert('files_trash')
->values([
'id' => $qb->createParameter('id'),
'timestamp' => $qb->createParameter('timestamp'),
'location' => $qb->createParameter('location'),
'user' => $qb->createNamedParameter($uid),
]);
foreach ($locations as $id => $fileLocations) {
foreach ($fileLocations as $timestamp => $location) {
$qb
->setParameter('id', $id)
->setParameter('timestamp', $timestamp)
->setParameter('location', $location)
;
$qb->executeStatement();
}
}
} else {
$output->writeln("No trashbin to import…");
}
}
}
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