Add command to clear versions and all related entities from the DB

src/Packagist/WebBundle/Command/ClearVersionsCommand.php

@@ -0,0 +1,73 @@
+<?php
+
+/*
+ * This file is part of Packagist.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *     Nils Adermann <naderman@naderman.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Packagist\WebBundle\Command;
+
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Bridge\Doctrine\RegistryInterface;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Component\Finder\Finder;
+
+/**
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class ClearVersionsCommand extends ContainerAwareCommand
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('packagist:clear:versions')
+            ->setDefinition(array(
+                new InputOption('force', null, InputOption::VALUE_NONE, 'Force execution, by default it runs in dry-run mode'),
+                new InputOption('filter', null, InputOption::VALUE_NONE, 'Filter (regex) against "<version name> <version number>"'),
+            ))
+            ->setDescription('Clears all versions from the databases')
+            ->setHelp(<<<EOF
+
+EOF
+            )
+        ;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $force = $input->getOption('force');
+        $filter = $input->getOption('filter');
+        $doctrine = $this->getContainer()->get('doctrine');
+
+        $versionRepo = $doctrine->getRepository('PackagistWebBundle:Version');
+        $versions = $versionRepo->findAll();
+
+        foreach ($versions as $version) {
+            $name = $version->getName().' '.$version->getVersion();
+            if (!$filter || preg_match('{'.$filter.'}i', $name)) {
+                $output->writeln('Clearing '.$name);
+                if ($force) {
+                    $versionRepo->remove($version);
+                }
+            }
+        }
+
+        if ($force) {
+            $doctrine->getEntityManager()->flush();
+        }
+    }
+}