Add occ command to restore documents to their last saved state

Signed-off-by: Julius Härtl <jus@bitgrid.net>

1 files changed, 99 insertions, 0 deletions

diff --git a/lib/Command/ResetDocument.php b/lib/Command/ResetDocument.php
new file mode 100644
index 000000000..ca414f7e2
--- /dev/null
+++ b/lib/Command/ResetDocument.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @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\Text\Command;
+
+use OCA\Text\Db\DocumentMapper;
+use OCA\Text\Db\SessionMapper;
+use OCA\Text\Db\StepMapper;
+use OCA\Text\Service\DocumentService;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ResetDocument extends Command {
+
+	protected $documentService;
+	protected $documentMapper;
+	protected $stepMapper;
+	protected $sessionMapper;
+
+	public function __construct(DocumentService $documentService, DocumentMapper $documentMapper, StepMapper $stepMapper, SessionMapper $sessionMapper) {
+		parent::__construct();
+
+		$this->documentService = $documentService;
+		$this->documentMapper = $documentMapper;
+		$this->stepMapper = $stepMapper;
+		$this->sessionMapper = $sessionMapper;
+	}
+
+	protected function configure() {
+		$this
+			->setName('text:reset')
+			->setDescription('Reset a text document')
+			->addArgument(
+				'file-id',
+				InputArgument::REQUIRED,
+				'File id of the document to rest'
+			)
+			->addOption(
+				'full',
+				'f',
+				null,
+				'Drop all existing steps and use the currently saved version'
+			)
+		;
+	}
+
+	/**
+	 * @param InputInterface $input
+	 * @param OutputInterface $output
+	 * @return void
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output) {
+
+		$fileId = $input->getArgument('file-id');
+		$fullReset = $input->getOption('full');
+
+		if ($fullReset) {
+			$output->writeln('Full document reset');
+			$this->documentService->resetDocument($fileId, true);
+		} else {
+			$output->writeln('Trying to restore to last saved version');
+			$document = $this->documentMapper->find($fileId);
+			$deleted = $this->stepMapper->deleteAfterVersion($fileId, $document->getLastSavedVersion());
+			if ($deleted > 0) {
+				$document->setCurrentVersion($document->getLastSavedVersion());
+				$this->documentMapper->update($document);
+				$this->sessionMapper->deleteByDocumentId($fileId);
+				$output->writeln('Reverted document to the last saved version');
+			} else {
+				$output->writeln('Failed revert changes that are newer than the last saved version');
+			}
+		}
+
+	}
+}
+
+