first commit

typo3/sysext/install/Classes/Command/LanguagePackCommand.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Install\Command;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\NullOutput;
+use Symfony\Component\Console\Output\OutputInterface;
+use TYPO3\CMS\Core\Cache\CacheManager;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Install\Service\LanguagePackService;
+
+/**
+ * Core function for updating language packs
+ */
+class LanguagePackCommand extends Command
+{
+    /**
+     * Configure the command by defining the name, options and arguments
+     */
+    protected function configure()
+    {
+        $this->setAliases(['lang:language:update']);
+        $this->setDescription('Update the language files of all activated extensions')
+            ->addArgument(
+                'locales',
+                InputArgument::IS_ARRAY | InputArgument::OPTIONAL,
+                'Provide iso codes separated by space to update only selected language packs. Example `bin/typo3 language:update de ja`.'
+            );
+    }
+
+    /**
+     * Update language packs of all active languages for all active extensions
+     *
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @throws \InvalidArgumentException
+     * @throws \TYPO3\CMS\Core\Cache\Exception\NoSuchCacheException
+     * @return int
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        if ($input->hasArgument('command') && substr_count($input->getArgument('command'), ':') === 2) {
+            $message = 'bin/typo3 lang:language:update is deprecated, use bin/typo3 language:update instead';
+            $output->writeln('<error>' . $message . '</error>');
+            trigger_error($message, E_USER_DEPRECATED);
+        }
+
+        $languagePackService = GeneralUtility::makeInstance(LanguagePackService::class);
+
+        try {
+            $isos = $input->getArgument('locales');
+        } catch (\Exception $e) {
+            $isos = [];
+        }
+        if (empty($isos)) {
+            $isos = $languagePackService->getActiveLanguages();
+        }
+
+        if ($output->isVerbose()) {
+            $output->writeln(sprintf(
+                '<info>Updating language packs of all activated extensions for locale(s) "%s"</info>',
+                implode('", "', $isos)
+            ));
+        }
+
+        $extensions = $languagePackService->getExtensionLanguagePackDetails();
+
+        if (!$output->isVerbose()) {
+            $progressBarOutput = new NullOutput();
+        } else {
+            $progressBarOutput = $output;
+        }
+        $progressBar = new ProgressBar($progressBarOutput, count($isos) * count($extensions));
+        $languagePackService->updateMirrorBaseUrl();
+        foreach ($isos as $iso) {
+            foreach ($extensions as $extension) {
+                $languagePackService->languagePackDownload($extension['key'], $iso);
+                $progressBar->advance();
+            }
+        }
+        $languagePackService->setLastUpdatedIsoCode($isos);
+        $progressBar->finish();
+
+        // Flush language cache
+        GeneralUtility::makeInstance(CacheManager::class)->getCache('l10n')->flush();
+
+        return 0;
+    }
+}