/**
* shortens a valid url and returns a short url
*
* @param string $pUrl
* @return string
* @throws ModelException
*/
public static function shortenUrl($pUrl)
{
$lUrl = urldecode($pUrl);
$lUrl = str_replace(" ", "+", $lUrl);
if (!UrlUtils::isUrlValid($lUrl)) {
throw new ModelException("invalid url");
}
if ($lShortUrl = self::getByUrl($lUrl)) {
return $lShortUrl->getShortedUrl();
} else {
$lShortUrl = new ShortUrl();
$lShortUrl->setUrl($lUrl);
$lShortUrl->save();
return $lShortUrl->getShortedUrl();
}
}