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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Cycle\Command\Migration; |
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use Cycle\Migrations\MigrationInterface; |
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use Cycle\Migrations\State; |
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use Psr\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\Console\Helper\QuestionHelper; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Question\ConfirmationQuestion; |
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use Yiisoft\Yii\Console\ExitCode; |
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use Yiisoft\Yii\Cycle\Command\CycleDependencyProxy; |
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use Yiisoft\Yii\Cycle\Event\AfterMigrate; |
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use Yiisoft\Yii\Cycle\Event\BeforeMigrate; |
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final class DownCommand extends BaseMigrationCommand |
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{ |
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protected static $defaultName = 'migrate/down'; |
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protected static $defaultDescription = 'Rolls back the last applied migration'; |
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private EventDispatcherInterface $eventDispatcher; |
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public function __construct(CycleDependencyProxy $promise, EventDispatcherInterface $eventDispatcher) |
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{ |
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$this->eventDispatcher = $eventDispatcher; |
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parent::__construct($promise); |
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} |
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protected function execute(InputInterface $input, OutputInterface $output): int |
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{ |
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$migrations = $this->findMigrations($output); |
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// check any executed migration |
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foreach (array_reverse($migrations) as $migration) { |
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if ($migration->getState()->getStatus() === State::STATUS_EXECUTED) { |
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break; |
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} |
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} |
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if (!isset($migration)) { |
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$output->writeln('<fg=red>No migration found for rollback</>'); |
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return ExitCode::OK; |
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} |
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$migrator = $this->promise->getMigrator(); |
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// Confirm |
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if (!$migrator->getConfig()->isSafe()) { |
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$output->writeln('<fg=yellow>Migration to be reverted:</>'); |
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$output->writeln('— <fg=cyan>' . $migration->getState()->getName() . '</>'); |
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if ($input->isInteractive()) { |
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/** @var QuestionHelper $qaHelper */ |
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$qaHelper = $this->getHelper('question'); |
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$question = new ConfirmationQuestion('Revert the above migration? (yes|no) ', false); |
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if (!$qaHelper->ask($input, $output, $question)) { |
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return ExitCode::OK; |
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} |
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} |
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} |
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$this->eventDispatcher->dispatch(new BeforeMigrate()); |
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try { |
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$migration = $migrator->rollback(); |
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if (!$migration instanceof MigrationInterface) { |
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throw new \Exception('Migration not found'); |
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} |
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$state = $migration->getState(); |
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$status = $state->getStatus(); |
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$output->writeln( |
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sprintf('<fg=cyan>%s</>: %s', $state->getName(), self::MIGRATION_STATUS[$status] ?? $status) |
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); |
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} finally { |
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$this->eventDispatcher->dispatch(new AfterMigrate()); |
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} |
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return ExitCode::OK; |
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} |
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} |
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yiisoft /
yii-cycle
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