DatabaseUnseedCommand.php

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<?php

namespace Elgg\Cli;

use Symfony\Component\Console\Input\InputOption;

class DatabaseUnseedCommand extends Command {

    protected function configure() {
        $seeders = _elgg_services()->seeder->getSeederClasses();
        $types = [];
        foreach ($seeders as $seed) {
            $types[] = $seed::getType();
        }
        
        $this->setName('database:unseed')
            ->setDescription(elgg_echo('cli:database:unseed:description'))
            ->addOption('type', 't', InputOption::VALUE_OPTIONAL,
                elgg_echo('cli:database:seed:option:type', [implode('|', $types)])
            );
    }

    protected function command() {

        if (!class_exists('\Faker\Generator')) {
            elgg_log(elgg_echo('cli:database:seed:log:error:faker'), \Psr\Log\LogLevel::ERROR);
            return self::FAILURE;
        }

        set_time_limit(0);

        _elgg_services()->set('mailer', new \Laminas\Mail\Transport\InMemory());

        $options = [
            'type' => $this->option('type'),
        ];
        
        try {
            _elgg_services()->seeder->unseed($options);
        } catch (\Exception $e) {
            elgg_log($e->getMessage(), \Psr\Log\LogLevel::ERROR);
            return $e->getCode() ?: 3;
        }

        return self::SUCCESS;
    }
}