278 lines
8.5 KiB
PHP
278 lines
8.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2022, Varun Patil <radialapps@gmail.com>
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* @author Varun Patil <radialapps@gmail.com>
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* @license AGPL-3.0-or-later
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Memories\Command;
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use OCA\Files_External\Service\GlobalStoragesService;
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use OCA\Memories\Db\TimelineWrite;
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use OCP\Encryption\IManager;
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use OCP\Files\File;
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use OCP\Files\Folder;
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use OCP\Files\IRootFolder;
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use OCP\Files\StorageNotAvailableException;
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use OCP\IConfig;
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use OCP\IDBConnection;
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use OCP\IPreview;
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use OCP\IUser;
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use OCP\IUserManager;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\ContainerInterface;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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class Index extends Command
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{
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/** @var ?GlobalStoragesService */
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protected $globalService;
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/** @var int[][] */
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protected array $sizes;
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protected IUserManager $userManager;
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protected IRootFolder $rootFolder;
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protected IPreview $previewGenerator;
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protected IConfig $config;
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protected OutputInterface $output;
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protected IManager $encryptionManager;
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protected IDBConnection $connection;
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protected TimelineWrite $timelineWrite;
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// Stats
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private int $nProcessed = 0;
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private int $nSkipped = 0;
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private int $nInvalid = 0;
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public function __construct(
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IRootFolder $rootFolder,
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IUserManager $userManager,
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IPreview $previewGenerator,
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IConfig $config,
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IManager $encryptionManager,
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IDBConnection $connection,
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ContainerInterface $container
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) {
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parent::__construct();
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$this->userManager = $userManager;
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$this->rootFolder = $rootFolder;
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$this->previewGenerator = $previewGenerator;
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$this->config = $config;
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$this->encryptionManager = $encryptionManager;
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$this->connection = $connection;
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$this->timelineWrite = new TimelineWrite($this->connection);
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try {
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$this->globalService = $container->get(GlobalStoragesService::class);
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} catch (ContainerExceptionInterface $e) {
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$this->globalService = null;
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}
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}
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protected function configure(): void
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{
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$this
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->setName('memories:index')
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->setDescription('Generate photo entries')
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->addOption(
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'refresh',
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'f',
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InputOption::VALUE_NONE,
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'Refresh existing entries'
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)
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->addOption(
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'clear',
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null,
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InputOption::VALUE_NONE,
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'Clear existing index before creating a new one (SLOW)'
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)
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;
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}
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protected function execute(InputInterface $input, OutputInterface $output): int
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{
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// Get options and arguments
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$refresh = $input->getOption('refresh') ? true : false;
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$clear = $input->getOption('clear') ? true : false;
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// Clear index if asked for this
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if ($clear && $input->isInteractive()) {
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$output->write('Are you sure you want to clear the existing index? (y/N): ');
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$answer = trim(fgets(STDIN));
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if ('y' !== $answer) {
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$output->writeln('Aborting');
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return 1;
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}
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}
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if ($clear) {
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$this->timelineWrite->clear();
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$output->writeln('Cleared existing index');
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}
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// Run with the static process
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try {
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\OCA\Memories\Exif::ensureStaticExiftoolProc();
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return $this->executeWithOpts($output, $refresh);
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} catch (\Exception $e) {
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error_log('FATAL: '.$e->getMessage());
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return 1;
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} finally {
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\OCA\Memories\Exif::closeStaticExiftoolProc();
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}
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}
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protected function executeWithOpts(OutputInterface $output, bool &$refresh): int
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{
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// Refuse to run without exiftool
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if (!$this->testExif()) {
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error_log('FATAL: exiftool could not be executed or test failed');
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error_log('Make sure you have perl 5 installed in PATH');
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return 1;
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}
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// Time measurement
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$startTime = microtime(true);
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if ($this->encryptionManager->isEnabled()) {
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error_log('FATAL: Encryption is enabled. Aborted.');
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return 1;
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}
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$this->output = $output;
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$this->userManager->callForSeenUsers(function (IUser &$user) use (&$refresh) {
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$this->generateUserEntries($user, $refresh);
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});
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// Show some stats
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$endTime = microtime(true);
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$execTime = (int) (($endTime - $startTime) * 1000) / 1000;
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$nTotal = $this->nInvalid + $this->nSkipped + $this->nProcessed;
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$this->output->writeln('==========================================');
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$this->output->writeln("Checked {$nTotal} files in {$execTime} sec");
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$this->output->writeln($this->nInvalid.' not valid media items');
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$this->output->writeln($this->nSkipped.' skipped because unmodified');
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$this->output->writeln($this->nProcessed.' (re-)processed');
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$this->output->writeln('==========================================');
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return 0;
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}
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/** Make sure exiftool is available */
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private function testExif()
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{
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$testfile = __DIR__.'/../../exiftest.jpg';
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$stream = fopen($testfile, 'r');
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if (!$stream) {
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error_log("Couldn't open Exif test file {$testfile}");
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return false;
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}
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$exif = null;
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try {
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$exif = \OCA\Memories\Exif::getExifFromStream($stream);
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} catch (\Exception $e) {
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error_log("Couldn't read Exif data from test file: ".$e->getMessage());
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return false;
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} finally {
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fclose($stream);
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}
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if (!$exif) {
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error_log('Got blank Exif data from test file');
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return false;
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}
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if ('2004:08:31 19:52:58' !== $exif['DateTimeOriginal']) {
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error_log('Got unexpected Exif data from test file');
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return false;
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}
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return true;
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}
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private function generateUserEntries(IUser &$user, bool &$refresh): void
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{
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\OC_Util::tearDownFS();
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\OC_Util::setupFS($user->getUID());
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$uid = $user->getUID();
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$userFolder = $this->rootFolder->getUserFolder($uid);
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$this->parseFolder($userFolder, $refresh);
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}
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private function parseFolder(Folder &$folder, bool &$refresh): void
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{
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try {
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$folderPath = $folder->getPath();
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// Respect the '.nomedia' file. If present don't traverse the folder
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if ($folder->nodeExists('.nomedia')) {
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$this->output->writeln('Skipping folder '.$folderPath);
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return;
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}
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$this->output->writeln('Scanning folder '.$folderPath);
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$nodes = $folder->getDirectoryListing();
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foreach ($nodes as &$node) {
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if ($node instanceof Folder) {
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$this->parseFolder($node, $refresh);
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} elseif ($node instanceof File) {
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$this->parseFile($node, $refresh);
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}
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}
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} catch (StorageNotAvailableException $e) {
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$this->output->writeln(sprintf(
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'<error>Storage for folder folder %s is not available: %s</error>',
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$folder->getPath(),
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$e->getHint()
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));
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}
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}
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private function parseFile(File &$file, bool &$refresh): void
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{
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$res = $this->timelineWrite->processFile($file, $refresh);
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if (2 === $res) {
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++$this->nProcessed;
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} elseif (1 === $res) {
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++$this->nSkipped;
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} else {
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++$this->nInvalid;
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}
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}
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}
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