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<?php
/**
* @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
* @copyright Copyright (c) 2017, ownCloud GmbH
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Core\Command\Db\Migrations;
use OC\DB\MigrationService;
use OC\Migration\ConsoleOutput;
use OCP\App\IAppManager;
use OCP\IDBConnection;
use Stecman\Component\Symfony\Console\BashCompletion\Completion\CompletionAwareInterface;
use Stecman\Component\Symfony\Console\BashCompletion\CompletionContext;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Exception\RuntimeException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class GenerateCommand extends Command implements CompletionAwareInterface {
protected static $_templateSimple =
'<?php
declare(strict_types=1);
namespace {{namespace}};
use Closure;
use OCP\DB\ISchemaWrapper;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;
/**
* Auto-generated migration step: Please modify to your needs!
*/
class {{classname}} extends SimpleMigrationStep {
/**
* @param IOutput $output
* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
* @param array $options
*/
public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
}
/**
* @param IOutput $output
* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
* @param array $options
* @return null|ISchemaWrapper
*/
public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
{{schemabody}}
}
/**
* @param IOutput $output
* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
* @param array $options
*/
public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
}
}
';
/** @var IDBConnection */
protected $connection;
/** @var IAppManager */
protected $appManager;
/**
* @param IDBConnection $connection
* @param IAppManager $appManager
*/
public function __construct(IDBConnection $connection, IAppManager $appManager) {
$this->connection = $connection;
$this->appManager = $appManager;
parent::__construct();
}
protected function configure() {
$this
->setName('migrations:generate')
->addArgument('app', InputArgument::REQUIRED, 'Name of the app this migration command shall work on')
->addArgument('version', InputArgument::REQUIRED, 'Major version of this app, to allow versions on parallel development branches')
;
parent::configure();
}
public function execute(InputInterface $input, OutputInterface $output) {
$appName = $input->getArgument('app');
$version = $input->getArgument('version');
if (!preg_match('/^\d{1,16}$/',$version)) {
$output->writeln('<error>The given version is invalid. Only 0-9 are allowed (max. 16 digits)</error>');
return 1;
}
$ms = new MigrationService($appName, $this->connection, new ConsoleOutput($output));
$date = date('YmdHis');
$path = $this->generateMigration($ms, 'Version' . $version . 'Date' . $date);
$output->writeln("New migration class has been generated to <info>$path</info>");
return 0;
}
/**
* @param string $optionName
* @param CompletionContext $context
* @return string[]
*/
public function completeOptionValues($optionName, CompletionContext $context) {
return [];
}
/**
* @param string $argumentName
* @param CompletionContext $context
* @return string[]
*/
public function completeArgumentValues($argumentName, CompletionContext $context) {
if ($argumentName === 'app') {
$allApps = \OC_App::getAllApps();
return array_diff($allApps, \OC_App::getEnabledApps(true, true));
}
if ($argumentName === 'version') {
$appName = $context->getWordAtIndex($context->getWordIndex() - 1);
$version = explode('.', $this->appManager->getAppVersion($appName));
return [$version[0] . sprintf('%1$03d', $version[1])];
}
return [];
}
/**
* @param MigrationService $ms
* @param string $className
* @param string $schemaBody
* @return string
*/
protected function generateMigration(MigrationService $ms, $className, $schemaBody = '') {
if ($schemaBody === '') {
$schemaBody = "\t\t" . 'return null;';
}
$placeHolders = [
'{{namespace}}',
'{{classname}}',
'{{schemabody}}',
];
$replacements = [
$ms->getMigrationsNamespace(),
$className,
$schemaBody,
];
$code = str_replace($placeHolders, $replacements, self::$_templateSimple);
$dir = $ms->getMigrationsDirectory();
$this->ensureMigrationDirExists($dir);
$path = $dir . '/' . $className . '.php';
if (file_put_contents($path, $code) === false) {
throw new RuntimeException('Failed to generate new migration step.');
}
return $path;
}
protected function ensureMigrationDirExists($directory) {
if (file_exists($directory) && is_dir($directory)) {
return;
}
if (file_exists($directory)) {
throw new \RuntimeException("Could not create folder \"$directory\"");
}
$this->ensureMigrationDirExists(dirname($directory));
if (!@mkdir($directory) && !is_dir($directory)) {
throw new \RuntimeException("Could not create folder \"$directory\"");
}
}
}
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