Added a new command to drop a database

Command/DatabaseDropCommand.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Propel\PropelBundle\Command;
+
+use Propel\PropelBundle\Command\PhingCommand;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Input\InputOption;
+
+/**
+ * DatabaseDropCommand class.
+ * Useful to drop a database.
+ *
+ * @author William DURAND
+ */
+class DatabaseDropCommand extends PhingCommand
+{
+    /**
+     * @see Command
+     */
+    protected function configure()
+    {
+        $this
+            ->setDescription('Drop a given database or the default one.')
+            ->addOption('force', null, InputOption::VALUE_NONE, 'Set this parameter to execute this action.')
+            ->addOption('connection', null, InputOption::VALUE_OPTIONAL, 'Set this parameter to define a connection to use')
+            ->setHelp(<<<EOT
+The <info>propel:database:drop</info> command will drop your database.</comment>.
+
+  <info>php app/console propel:insert-sql</info>
+
+The <info>--force</info> parameter has to be used to actually drop the database.
+The <info>--connection</info> parameter allows you to change the connection to use.
+The default connection is the active connection (propel.dbal.default_connection).
+EOT
+            )
+            ->setName('propel:database:drop');
+    }
+
+    /**
+     * @see Command
+     *
+     * @throws \InvalidArgumentException When the target directory does not exist
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        if ($input->getOption('force')) {
+            list($name, $config) = $this->getConnection($input, $output);
+            $dbName = $this->parseDbName($config['connection']['dsn']);
+            $query  = 'DROP DATABASE '. $dbName .';';
+
+            try {
+                $connection = \Propel::getConnection($name);
+                $statement  = $connection->prepare($query);
+                //$statement->execute();
+                $output->writeln(sprintf('<info><comment>%s</comment> has been dropped.</info>', $dbName));
+            } catch (Exception $e) {
+                $output->writeln(sprintf('<error>An error has occured: %s</error>', $e->getMessage()));
+            }
+        } else {
+            $output->writeln('<error>You have to use --force to drop the database.</error>');
+        }
+    }
+}