Add gaufrette:filesystem:keys command

Command/FilesystemKeysCommand.php

@@ -0,0 +1,78 @@
+<?php
+
+namespace Knplabs\Bundle\GaufretteBundle\Command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Output\OutputInterface;
+use Gaufrette\Glob;
+
+/**
+ * Command that lists the file keys of a filesystem
+ *
+ * @author Antoine Hérault <antoine.herault@gmail.com>
+ */
+class FilesystemKeysCommand extends Command
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('gaufrette:filesystem:keys')
+            ->setDescription('List all the file keys of a filesystem')
+            ->addArgument('filesystem', InputArgument::REQUIRED, 'The filesystem to use')
+            ->addArgument('glob', InputArgument::OPTIONAL, 'An optional glob pattern')
+            ->setHelp(<<<EOT
+The <info>gaufrette:filesystem:list</info> command lists all the file keys of the specified filesystem:
+
+    <info>./app/console gaufrette:filesystem:list my_filesystem</info>
+
+You can also optionaly specify a glob pattern to filter the results:
+
+    <info>./app/console gaufrette:filesystem:list my_filesystem media_*</info>
+EOT
+            );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $filesystem = $input->getArgument('filesystem');
+        $glob       = $input->getArgument('glob');
+        $container  = $this->getApplication()->getKernel()->getContainer();
+        $serviceId  = sprintf('gaufrette.%s_filesystem', $filesystem);
+
+        if (!$container->has($serviceId)) {
+            throw new \RuntimeException(sprintf('There is no \'%s\' filesystem defined.', $filesystem));
+        }
+
+        $filesystem = $container->get($serviceId);
+        $keys       = $filesystem->keys();
+
+        if (!empty($glob)) {
+            $glob = new Glob($glob);
+            $keys = $glob->filter($keys);
+        }
+
+        $count = count($keys);
+
+        $output->writeln(
+            sprintf(
+                'Bellow %s the <info>%s key%s</info> that where found:',
+                $count > 1 ? 'are' : 'is',
+                $count,
+                $count > 1 ? 's': ''
+            )
+        );
+
+        $output->setDecorated(true);
+        foreach ($keys as $key) {
+            $output->writeln(' - <info>' . $key . '</info>');
+        }
+    }
+}