public function deleteProject(Uml $uml)
{
try {
$db = $this->connection();
$sql = "DELETE FROM " . self::$dbTable . " WHERE " . self::$userID . " = ? AND " . self::$projectName . " = ?";
$params = array($uml->GetUserID(), $uml->GetSaveName());
$query = $db->prepare($sql);
$query->execute($params);
} catch (\PDOException $e) {
throw new DeleteProjextException();
}
}
