#ConcreteCMS A Command to delete entries of the specific express entity

app.php

<?php
// application/bootstrap/app.php

/* @var Concrete\Core\Application\Application $app */
/* @var Concrete\Core\Console\Application $console only set in CLI environment */

if ($app->isInstalled()) {
    if (\Concrete\Core\Application\Application::isRunThroughCommandLineInterface()) {
        $console->add($app->make(\Application\Express\Command\ClearExpressEntries::class));
    }
}

autoload.php

<?php
// Add lines below in the bottom of application/bootstrap/autoload.php

$classLoader = new \Symfony\Component\ClassLoader\Psr4ClassLoader();
$classLoader->addPrefix('Application\\Express', DIR_APPLICATION . '/' . DIRNAME_CLASSES . '/Express');
$classLoader->register();

ClearExpressEntries.php

<?php
// application/src/Express/Command/ClearExpressEntries.php

namespace Application\Express\Command;

use Concrete\Core\Console\Command;
use Concrete\Core\Entity\Express\Entity;
use Concrete\Core\Entity\Express\Entry;
use Concrete\Core\Support\Facade\Application;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ConfirmationQuestion;

class ClearExpressEntries extends Command
{
    /**
     * @inheritDoc
     */
    protected function configure()
    {
        $this
            ->setName('app:express:clear-entries')
            ->addArgument('entity', InputArgument::REQUIRED, t('Handle of an Express Entity'))
            ->addOption('force', 'f', InputOption::VALUE_NONE, t('Force to delete entries without confirmation'))
            ->addEnvOption()
        ;
    }

    /**
     * @inheritDoc
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        if (!$input->getOption('force')) {
            if (!$input->isInteractive()) {
                throw new \Exception("You have to specify the --force option in order to run this command");
            }
            $confirmQuestion = new ConfirmationQuestion(
                'Are you sure you want to delete express entries? (y/n)',
                false
            );
            if (!$this->getHelper('question')->ask($input, $output, $confirmQuestion)) {
                throw new \Exception("Operation aborted.");
            }
        }

        $count = 0;
        $app = Application::getFacadeApplication();
        /** @var EntityManagerInterface $entityManager */
        $entityManager = $app->make(EntityManagerInterface::class);
        $entityHandle = $input->getArgument('entity');
        if ($entityHandle) {
            /** @var Entity $entity */
            $entity = $entityManager->getRepository(Entity::class)->findOneBy(['handle' => $entityHandle]);
            if ($entity) {
                /** @var Entry $entry */
                foreach ($entity->getEntries() as $entry) {
                    if ($output->isVerbose()) {
                        $output->writeln(sprintf('Deleting %s...', $entry->getLabel()));
                    }
                    $entityManager->remove($entry);
                    $count++;
                }
                $entityManager->flush();
            }
        }
        $output->writeln(sprintf('%s entries deleted.', $count));

        return 0;
    }
}