/**
* Store the current database credentials to the default database
* connection of the supplied application in the corresponding local.xml.
*
* @param Application $app
* @return void
* @throws \RuntimeException when the local.xml file does not exist or is
* not writable.
*/
public function saveToApplication(Application $app)
{
$root = $app->getMagentoRootFolder();
$localXmlPath = realpath("{$root}/app/etc/local.xml");
if (!file_exists($localXmlPath) || !is_writable($localXmlPath)) {
throw new \RuntimeException('File does not exist or could not be written to: ' . var_export($localXmlPath, true));
}
// Load the XML and travel down the xpath until we find our connection.
$localXml = simplexml_load_file($localXmlPath);
// Update the connection settings.
$localXml->global->resources->default_setup->connection->host = $this->getHost();
$localXml->global->resources->default_setup->connection->port = $this->getPort();
$localXml->global->resources->default_setup->connection->username = $this->getUser();
$localXml->global->resources->default_setup->connection->password = $this->getPassword();
$localXml->global->resources->default_setup->connection->dbname = $this->getDatabase();
// And persist the changes.
$localXml->asXML($localXmlPath);
}
