add cli export

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

src/Wallabag/CoreBundle/Command/ExportCommand.php

@@ -0,0 +1,82 @@
+<?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 Symfony\Component\Console\Output\StreamOutput;
+
+class ExportCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('wallabag:export')
+            ->setDescription('Export all entries for an user')
+            ->setHelp('This command helps you to export all entries for an user')
+            ->addArgument(
+                'username',
+                InputArgument::REQUIRED,
+                'User from which to export entries'
+            )
+            ->addArgument(
+                'filename',
+                InputArgument::OPTIONAL,
+                'Path of the exported file'
+            )
+        ;
+    }
+
+    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;
+        }
+        $entries = $this->getDoctrine()
+            ->getRepository('WallabagCoreBundle:Entry')
+            ->getBuilderForAllByUser($user->getId())
+            ->getQuery()
+            ->getResult();
+
+        $output->write(sprintf('Exporting %d entrie(s) for user « <comment>%s</comment> »... ', count($entries), $user->getUserName()));
+
+        $filePath = $input->getArgument('filename');
+        if (!$filePath) {
+            $filePath = $this->getContainer()->getParameter('kernel.root_dir') . '/../' . sprintf('%s-export', $user->getUsername());
+        }
+        try {
+            $data = $this->getContainer()->get('wallabag_core.helper.entries_export')
+                ->setEntries($entries)
+                ->updateTitle('All')
+                ->exportJsonData();
+            file_put_contents($filePath, $data);
+        } catch (\InvalidArgumentException $e) {
+            $output->writeln(sprintf('<error>Error: "%s"</error>', $e->getMessage()));
+        }
+
+        $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');
+    }
+}

src/Wallabag/CoreBundle/Helper/EntriesExport.php

@@ -89,6 +89,11 @@ class EntriesExport
         throw new \InvalidArgumentException(sprintf('The format "%s" is not yet supported.', $format));
     }
 
+    public function exportJsonData()
+    {
+        return $this->prepareSerializingContent('json');
+    }
+
     /**
      * Use PHPePub to dump a .epub file.
      *

tests/Wallabag/CoreBundle/Command/ExportCommandTest.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Tests\Wallabag\CoreBundle\Command;
+
+use Symfony\Bundle\FrameworkBundle\Console\Application;
+use Symfony\Component\Console\Tester\CommandTester;
+use Wallabag\CoreBundle\Command\ExportCommand;
+use Tests\Wallabag\CoreBundle\WallabagCoreTestCase;
+
+class ExportCommandTest extends WallabagCoreTestCase
+{
+    /**
+     * @expectedException Symfony\Component\Console\Exception\RuntimeException
+     * @expectedExceptionMessage Not enough arguments (missing: "username")
+     */
+    public function testExportCommandWithoutUsername()
+    {
+        $application = new Application($this->getClient()->getKernel());
+        $application->add(new ExportCommand());
+
+        $command = $application->find('wallabag:export');
+
+        $tester = new CommandTester($command);
+        $tester->execute([
+            'command' => $command->getName(),
+        ]);
+    }
+
+    public function testExportCommandWithBadUsername()
+    {
+        $application = new Application($this->getClient()->getKernel());
+        $application->add(new ExportCommand());
+
+        $command = $application->find('wallabag:export');
+
+        $tester = new CommandTester($command);
+        $tester->execute([
+            'command' => $command->getName(),
+            'username' => 'unknown',
+        ]);
+
+        $this->assertContains('User "unknown" not found', $tester->getDisplay());
+    }
+
+    public function testExportCommand()
+    {
+        $application = new Application($this->getClient()->getKernel());
+        $application->add(new ExportCommand());
+
+        $command = $application->find('wallabag:export');
+
+        $tester = new CommandTester($command);
+        $tester->execute([
+            'command' => $command->getName(),
+            'username' => 'admin',
+        ]);
+
+        $this->assertContains('Exporting 6 entrie(s) for user « admin »... Done', $tester->getDisplay());
+    }
+}