public function toXml(FeedChannel $channel)
{
$this->checkWorkers();
$itemsXml = null;
$itemWorker = $this->getItemWorker();
foreach ($channel->getFeedItems() as $feedItem) {
$itemsXml .= $itemWorker->toXml($feedItem);
}
return $this->getChannelWorker()->toXml($channel, $itemsXml);
}
/**
* @return FeedChannel
**/
public function makeChannel(\SimpleXMLElement $xmlFeed)
{
$feedChannel = FeedChannel::create((string) $xmlFeed->title);
if (isset($xmlFeed->link)) {
if (is_array($xmlFeed->link)) {
$feedChannel->setLink((string) $xmlFeed->link[0]);
} else {
$feedChannel->setLink((string) $xmlFeed->link);
}
}
return $feedChannel;
}
public function toXml(FeedChannel $channel, $itemsXml)
{
return '<rss version="' . RssFeedFormat::VERSION . '">' . '<channel>' . '<title>' . $channel->getTitle() . '</title>' . ($channel->getLink() ? '<link>' . $channel->getLink() . '</link>' : null) . ($channel->getDescription() ? '<description>' . $channel->getDescription() . '</description>' : null) . $itemsXml . '</channel>' . '</rss>';
}
