Hash the urls to check if they exist

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

src/Wallabag/CoreBundle/Command/GenerateUrlHashesCommand.php

@@ -0,0 +1,95 @@
+<?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;
+use Wallabag\UserBundle\Entity\User;
+
+class GenerateUrlHashesCommand extends ContainerAwareCommand
+{
+    /** @var OutputInterface */
+    protected $output;
+
+    protected function configure()
+    {
+        $this
+            ->setName('wallabag:generate-hashed-urls')
+            ->setDescription('Generates hashed urls for each entry')
+            ->setHelp('This command helps you to generates hashes of the url of each entry, to check through API if an URL is already saved')
+            ->addArgument(
+                'username',
+                InputArgument::OPTIONAL,
+                'User to process entries'
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->output = $output;
+
+        $username = $input->getArgument('username');
+
+        if ($username) {
+            try {
+                $user = $this->getUser($username);
+                $this->generateHashedUrls($user);
+            } catch (NoResultException $e) {
+                $output->writeln(sprintf('<error>User "%s" not found.</error>', $username));
+
+                return 1;
+            }
+        } else {
+            $users = $this->getDoctrine()->getRepository('WallabagUserBundle:User')->findAll();
+
+            $output->writeln(sprintf('Generating hashed urls for the %d user account entries', count($users)));
+
+            foreach ($users as $user) {
+                $output->writeln(sprintf('Processing user %s', $user->getUsername()));
+                $this->generateHashedUrls($user);
+            }
+            $output->writeln(sprintf('Finished generated hashed urls'));
+        }
+
+        return 0;
+    }
+
+    /**
+     * @param User $user
+     */
+    private function generateHashedUrls(User $user)
+    {
+        $em = $this->getContainer()->get('doctrine.orm.entity_manager');
+        $repo = $this->getDoctrine()->getRepository('WallabagCoreBundle:Entry');
+
+        $entries = $repo->findByUser($user->getId());
+
+        foreach ($entries as $entry) {
+            $entry->setHashedUrl(hash('sha512', $entry->getUrl()));
+            $em->persist($entry);
+            $em->flush();
+        }
+
+        $this->output->writeln(sprintf('Generated hashed urls for user %s', $user->getUserName()));
+    }
+
+    /**
+     * 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');
+    }
+}