rUserId !== null) {
        $key = array_search($authorUserId, $mentionedUserIds);

        if ($key !== false) {
            unset($mentionedUserIds[$key]);
        }
    }

    $alertType = \MybbStuff_MyAlerts_AlertTypeManager::getInstance()->getByCode('dvz_mentions_' . $locationName);

    if ($alertType && $alertType->getEnabled()) {
        $alerts = [];

        foreach ($mentionedUserIds as $userId) {
            if (call_user_func_array('dvzMentions\\Alerts\\' . ucfirst($locationName) . '\\alertPossible', [$locationData, $userId])) {
                $alert = new \MybbStuff_MyAlerts_Entity_Alert();

                $alert->setType($alertType)
                    ->setUserId($userId)
                    ->setExtraDetails($alertDetails);

                if (!empty($locationData['object_id'])) {
                    $alert->setObjectId($locationData['object_id']);
                }

                if (!empty($locationData['author'])) {
                    $alert->setFromUserId($locationData['author']);
                }

                $alerts[] = $alert;
            }
        }

        if ($alerts) {
            \MybbStuff_MyAlerts_AlertManager::getInstance()->addAlerts($alerts);
        }
    }
}

function deleteAlerts(array $alerts): bool
{
    return \MybbStuff_MyAlerts_AlertManager::getInstance()->deleteAlerts($alerts);
}

function deleteAlertsByLocationAndObjectId(string $locationName, int $objectId): bool
{
    global $db;

    $alertType = \MybbStuff_MyAlerts_AlertTypeManager::getInstance()->getByCode('dvz_mentions_' . $locationName);

    if ($alertType) {
        $alertTypeId = $alertType->getId();

        return $db->delete_query('alerts', 'alert_type_id=' . (int)$alertTypeId . ' AND object_id=' . (int)$objectId);
    } else {
        return false;
    }
}