Added a new command: propel:database:create which allow to create a database for a given connection by using the Symfony2 console

Command/DatabaseCreateCommand.php

@@ -0,0 +1,76 @@
+<?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;
+
+/**
+ * DatabaseCreateCommand class.
+ * Useful to create a database.
+ *
+ * @author William DURAND
+ */
+class DatabaseCreateCommand extends PhingCommand
+{
+    /**
+     * @see Command
+     */
+    protected function configure()
+    {
+        $this
+            ->setDescription('Create a given database or the default one.')
+            ->addOption('connection', null, InputOption::VALUE_OPTIONAL, 'Set this parameter to define a connection to use')
+            ->setName('propel:database:create');
+    }
+
+    /**
+     * @see Command
+     *
+     * @throws \InvalidArgumentException When the target directory does not exist
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        list($name, $config) = $this->getConnection($input, $output);
+        $dbName = $this->parseDbName($config['connection']['dsn']);
+        $query  = 'CREATE DATABASE '. $dbName .';';
+
+        try {
+            \Propel::setConfiguration($this->getTemporaryConfiguration($name, $config));
+            $connection = \Propel::getConnection();
+
+            $statement  = $connection->prepare($query);
+            $statement->execute();
+            $output->writeln(sprintf('<info><comment>%s</comment> has been created.</info>', $dbName));
+        } catch (Exception $e) {
+            $output->writeln(sprintf('<error>An error has occured: %s</error>', $e->getMessage()));
+        }
+    }
+
+    /**
+     * Create a temporary configuration to connect to the database in order
+     * to create a given database. This idea comes from Doctrine1.
+     *
+     * @see https://github.com/doctrine/doctrine1/blob/master/lib/Doctrine/Connection.php#L1491
+     *
+     * @param string $name      A connection name.
+     * @param array $config     A Propel connection configuration.
+     * @return array
+     */
+    private function getTemporaryConfiguration($name, $config)
+    {
+        $dbName = $this->parseDbName($config['connection']['dsn']);
+
+        $config['connection']['dsn'] = preg_replace(
+            '#dbname='.$dbName.'#',
+            'dbname='.strtolower($config['adapter']),
+            $config['connection']['dsn']
+        );
+
+        return array(
+            'datasources' => array($name => $config)
+        );
+    }
+}