1 files changed, 107 insertions, 0 deletions
diff --git a/apps/theming/lib/Jobs/MigrateBackgroundImages.php b/apps/theming/lib/Jobs/MigrateBackgroundImages.php
new file mode 100644
index 00000000000..97806fa600a
--- /dev/null
+++ b/apps/theming/lib/Jobs/MigrateBackgroundImages.php
@@ -0,0 +1,107 @@
+<?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\NotFoundException;
+use OCP\Files\NotPermittedException;
+use OCP\IConfig;
+
+class MigrateBackgroundImages extends QueuedJob {
+	public const TIME_SENSITIVE = 0;
+
+	private IConfig $config;
+	private IAppManager $appManager;
+	private IAppDataFactory $appDataFactory;
+	private IJobList $jobList;
+
+	public function __construct(ITimeFactory $time, IAppDataFactory $appDataFactory, IConfig $config, IAppManager $appManager, IJobList $jobList) {
+		parent::__construct($time);
+		$this->config = $config;
+		$this->appManager = $appManager;
+		$this->appDataFactory = $appDataFactory;
+		$this->jobList = $jobList;
+	}
+
+	protected function run($argument): void {
+		if (!$this->appManager->isEnabledForUser('dashboard')) {
+			return;
+		}
+
+		$themingData = $this->appDataFactory->get(Application::APP_ID);
+		$dashboardData = $this->appDataFactory->get('dashboard');
+
+		$userIds = $this->config->getUsersForUserValue('theming', 'background', 'custom');
+
+		$notSoFastMode = \count($userIds) > 5000;
+		$reTrigger = false;
+		$processed = 0;
+
+		foreach ($userIds as $userId) {
+			try {
+				// precondition
+				if ($notSoFastMode) {
+					if ($this->config->getUserValue($userId, 'theming', 'background-migrated', '0') === '1') {
+						// already migrated
+						continue;
+					}
+					$reTrigger = true;
+				}
+
+				// migration
+				$file = $dashboardData->getFolder($userId)->getFile('background.jpg');
+				try {
+					$targetDir = $themingData->getFolder($userId);
+				} catch (NotFoundException $e) {
+					$targetDir = $themingData->newFolder($userId);
+				}
+				if (!$targetDir->fileExists('background.jpg')) {
+					$targetDir->newFile('background.jpg', $file->getContent());
+				}
+				$file->delete();
+			} catch (NotFoundException|NotPermittedException $e) {
+			}
+			// capture state
+			if ($notSoFastMode) {
+				$this->config->setUserValue($userId, 'theming', 'background-migrated', '1');
+				$processed++;
+			}
+			if ($processed > 4999) {
+				break;
+			}
+		}
+
+		if ($reTrigger) {
+			$this->jobList->add(self::class);
+		}
+	}
+}