Method getSizeAllOriginalImages

public static function getSizeAllOriginalImages($fileSize, $userId)
{
    $db = Factory::getDBO();
    $allFileSize = 0;
    $query = 'SELECT SUM(a.imgorigsize) AS sumimgorigsize' . ' FROM #__phocagallery AS a' . ' LEFT JOIN #__phocagallery_categories AS cc ON a.catid = cc.id' . ' WHERE cc.owner_id = ' . (int) $userId;
    $db->setQuery($query, 0, 1);
    $sumImgOrigSize = $db->loadObject();
    if (isset($sumImgOrigSize->sumimgorigsize) && (int) $sumImgOrigSize->sumimgorigsize > 0) {
        $allFileSize = (int) $allFileSize + (int) $sumImgOrigSize->sumimgorigsize;
    }
    if (isset($fileSize)) {
        $allFileSize = (int) $allFileSize + (int) $fileSize;
    }
    return (int) $allFileSize;
}