Add a command to automatically tag all entries for a user

src/Wallabag/CoreBundle/Command/TagAllCommand.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Wallabag\CoreBundle\Command;
+
+use Doctrine\ORM\NoResultException;
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class TagAllCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('wallabag:tag:all')
+            ->setDescription('Tag all entries using the tagging rules.')
+            ->addArgument(
+               'username',
+               InputArgument::REQUIRED,
+               'User to tag entries for.'
+            )
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        try {
+            $user = $this->getUser($input->getArgument('username'));
+        } catch (NoResultException $e) {
+            $output->writeln(sprintf('<error>User %s not found.</error>', $input->getArgument('username')));
+
+            return 1;
+        }
+        $tagger = $this->getContainer()->get('wallabag_core.rule_based_tagger');
+
+        $output->write(sprintf('Tagging entries for user « <info>%s</info> »... ', $user->getUserName()));
+
+        $entries = $tagger->tagAllForUser($user);
+
+        $em = $this->getDoctrine()->getManager();
+        foreach ($entries as $entry) {
+            $em->persist($entry);
+        }
+        $em->flush();
+
+        $output->writeln('<info>Done.</info>');
+    }
+
+    /**
+     * Fetches a user from its username.
+     *
+     * @param string $username
+     *
+     * @return \Wallabag\UserBundle\Entity\User
+     */
+    private function getUser($username)
+    {
+        return $this->getDoctrine()->getRepository('WallabagUserBundle:User')->findOneByUserName($username);
+    }
+
+    private function getDoctrine()
+    {
+        return $this->getContainer()->get('doctrine');
+    }
+}