Helper::getEventByUId

static function getEventByUId(?string $uid): ?array
{
	if (is_null($uid))
	{
		return null;
	}

	$event = EventTable::getList([
		'filter' => [
			'=DAV_XML_ID' => $uid,
		],
		'limit' => 1,
	])->fetch();

	return (!empty($event) && is_array($event))
		? $event
		: null;
}