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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @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 <https://www.gnu.org/licenses/>.
*
*/
namespace OCA\Theming\Jobs;
use OCA\Theming\AppInfo\Application;
use OCP\App\IAppManager;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJobList;
use OCP\BackgroundJob\QueuedJob;
use OCP\Files\AppData\IAppDataFactory;
use OCP\Files\IAppData;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\IDBConnection;
use Psr\Log\LoggerInterface;
class MigrateBackgroundImages extends QueuedJob {
public const TIME_SENSITIVE = 0;
public const STAGE_PREPARE = 'prepare';
public const STAGE_EXECUTE = 'execute';
// will be saved in appdata/theming/global/
protected const STATE_FILE_NAME = '25_dashboard_to_theming_migration_users.json';
private IAppDataFactory $appDataFactory;
private IJobList $jobList;
private IDBConnection $dbc;
private IAppData $appData;
private LoggerInterface $logger;
public function __construct(
ITimeFactory $time,
IAppDataFactory $appDataFactory,
IJobList $jobList,
IDBConnection $dbc,
IAppData $appData,
LoggerInterface $logger
) {
parent::__construct($time);
$this->appDataFactory = $appDataFactory;
$this->jobList = $jobList;
$this->dbc = $dbc;
$this->appData = $appData;
$this->logger = $logger;
}
protected function run($argument): void {
if (!isset($argument['stage'])) {
// not executed in 25.0.0?!
$argument['stage'] = self::STAGE_PREPARE;
}
switch ($argument['stage']) {
case self::STAGE_PREPARE:
$this->runPreparation();
break;
case self::STAGE_EXECUTE:
$this->runMigration();
break;
default:
break;
}
}
protected function runPreparation(): void {
try {
$selector = $this->dbc->getQueryBuilder();
$result = $selector->select('userid')
->from('preferences')
->where($selector->expr()->eq('appid', $selector->createNamedParameter('theming')))
->andWhere($selector->expr()->eq('configkey', $selector->createNamedParameter('background')))
->andWhere($selector->expr()->eq('configvalue', $selector->createNamedParameter('custom')))
->executeQuery();
$userIds = $result->fetchAll(\PDO::FETCH_COLUMN);
$this->storeUserIdsToProcess($userIds);
} catch (\Throwable $t) {
$this->jobList->add(self::class, self::STAGE_PREPARE);
throw $t;
}
$this->jobList->add(self::class, self::STAGE_EXECUTE);
}
/**
* @throws NotPermittedException
* @throws NotFoundException
*/
protected function runMigration(): void {
$allUserIds = $this->readUserIdsToProcess();
$notSoFastMode = count($allUserIds) > 5000;
$dashboardData = $this->appDataFactory->get('dashboard');
$userIds = $notSoFastMode ? array_slice($allUserIds, 0, 5000) : $allUserIds;
foreach ($userIds as $userId) {
try {
// migration
$file = $dashboardData->getFolder($userId)->getFile('background.jpg');
$targetDir = $this->getUserFolder($userId);
if (!$targetDir->fileExists('background.jpg')) {
$targetDir->newFile('background.jpg', $file->getContent());
}
$file->delete();
} catch (NotFoundException|NotPermittedException $e) {
}
}
if ($notSoFastMode) {
$remainingUserIds = array_slice($allUserIds, 5000);
$this->storeUserIdsToProcess($remainingUserIds);
$this->jobList->add(self::class, ['stage' => self::STAGE_EXECUTE]);
} else {
$this->deleteStateFile();
}
}
/**
* @throws NotPermittedException
* @throws NotFoundException
*/
protected function readUserIdsToProcess(): array {
$globalFolder = $this->appData->getFolder('global');
if ($globalFolder->fileExists(self::STATE_FILE_NAME)) {
$file = $globalFolder->getFile(self::STATE_FILE_NAME);
try {
$userIds = \json_decode($file->getContent(), true);
} catch (NotFoundException $e) {
$userIds = [];
}
if ($userIds === null) {
$userIds = [];
}
} else {
$userIds = [];
}
return $userIds;
}
/**
* @throws NotFoundException
*/
protected function storeUserIdsToProcess(array $userIds): void {
$storableUserIds = \json_encode($userIds);
$globalFolder = $this->appData->getFolder('global');
try {
if ($globalFolder->fileExists(self::STATE_FILE_NAME)) {
$file = $globalFolder->getFile(self::STATE_FILE_NAME);
} else {
$file = $globalFolder->newFile(self::STATE_FILE_NAME);
}
$file->putContent($storableUserIds);
} catch (NotFoundException $e) {
} catch (NotPermittedException $e) {
$this->logger->warning('Lacking permissions to create {file}',
[
'app' => 'theming',
'file' => self::STATE_FILE_NAME,
'exception' => $e,
]
);
}
}
/**
* @throws NotFoundException
*/
protected function deleteStateFile(): void {
$globalFolder = $this->appData->getFolder('global');
if ($globalFolder->fileExists(self::STATE_FILE_NAME)) {
$file = $globalFolder->getFile(self::STATE_FILE_NAME);
try {
$file->delete();
} catch (NotPermittedException $e) {
$this->logger->info('Could not delete {file} due to permissions. It is safe to delete manually inside data -> appdata -> theming -> global.',
[
'app' => 'theming',
'file' => $file->getName(),
'exception' => $e,
]
);
}
}
}
/**
* Get the root location for users theming data
*/
protected function getUserFolder(string $userId): ISimpleFolder {
$themingData = $this->appDataFactory->get(Application::APP_ID);
try {
$rootFolder = $themingData->getFolder('users');
} catch (NotFoundException $e) {
$rootFolder = $themingData->newFolder('users');
}
try {
return $rootFolder->getFolder($userId);
} catch (NotFoundException $e) {
return $rootFolder->newFolder($userId);
}
}
}
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