/**
*
* @param XMLManager $xml
* @param array $route
* @throws \InvalidArgumentException
*
* @return \DOMNode
*/
private function createLink(XMLManager $xml, array $route)
{
$routeNode = $xml->getXml()->createElement('link');
$url = '';
if (!empty($route['route']) && is_array($route['route'])) {
$url = $this->router->generate($route['route'][0], $route['route'][1]);
} else {
if (!empty($route['url'])) {
$url = $route['url'];
} else {
throw new \InvalidArgumentException('The method getFeedRoutes must be an array of links. Check the ItemInterface.php for more details.');
}
}
$routeNode->setAttribute('href', $url);
foreach ($route as $attribute => $value) {
if ($attribute != 'route' && $attribute != 'url') {
$routeNode->setAttribute($attribute, $value);
}
}
return $routeNode;
}
/**
* Extract enclosure
*
* @param \Nekland\FeedBundle\Item\ExtendedItemInterface $item
* @param \Nekland\FeedBundle\XML\XMLManager $xml
* @return \DOMElement|null
*/
private function getEnclosure(ExtendedItemInterface $item, XMLManager $xml)
{
$enc = $item->getFeedEnclosure();
if (is_array($enc)) {
$enclosure = $xml->getXml()->createElement('enclosure');
foreach ($enc as $key => $value) {
$enclosure->setAttribute($key, $value);
}
return $enclosure;
}
return null;
}