/**
  * @param \Application $app
  * @return \Symfony\Component\HttpFoundation\JsonResponse
  * @throws \Doctrine\DBAL\DBALException
  */
 public function get(\Application $app)
 {
     $statement = $app->doctrine()->prepare("SHOW DATABASES");
     $statement->execute();
     return $app->json($statement->fetchAll(\PDO::FETCH_COLUMN));
 }