private static function insert(Conference $model)
{
$db = Db::getInstance(\ConferenceScheduler\Configs\DatabaseConfig::DB_INSTANCE);
$query = "INSERT INTO conferences (Name,VenueId,Start,End,OwnerId) VALUES (:Name, :VenueId, :Start, :End, :OwnerId);";
$result = $db->prepare($query);
$result->execute([':Name' => $model->getName(), ':VenueId' => $model->getVenueId(), ':Start' => $model->getStart(), ':End' => $model->getEnd(), ':OwnerId' => $model->getOwnerId()]);
$model->setId($db->lastInsertId());
}