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<?php
/**
* ownCloud - News
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Alessandro Cosentino <cosenal@gmail.com>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @copyright Alessandro Cosentino 2012
* @copyright Bernhard Posselt 2012, 2014
*/
namespace OCA\News\Utility;
/**
* Exports the OPML
*/
class OPMLExporter {
/**
* Generates the OPML for the active user
*
* @param \OCA\News\Db\Folder[] $folders
* @param \OCA\News\Db\Feed[] $feeds
* @return \DomDocument the document
*/
public function build($folders, $feeds){
$document = new \DomDocument('1.0', 'UTF-8');
$document->formatOutput = true;
$root = $document->createElement('opml');
$root->setAttribute('version', '2.0');
// head
$head = $document->createElement('head');
$title = $document->createElement('title', 'Subscriptions');
$head->appendChild($title);
$root->appendChild($head);
// body
$body = $document->createElement('body');
// feeds with folders
foreach($folders as $folder) {
$folderOutline = $document->createElement('outline');
$folderOutline->setAttribute('title', $folder->getName());
$folderOutline->setAttribute('text', $folder->getName());
// feeds in folders
foreach ($feeds as $feed) {
if ($feed->getFolderId() === $folder->getId()) {
$feedOutline = $this->createFeedOutline($feed, $document);
$folderOutline->appendChild($feedOutline);
}
}
$body->appendChild($folderOutline);
}
// feeds without folders
foreach ($feeds as $feed) {
if ($feed->getFolderId() === 0) {
$feedOutline = $this->createFeedOutline($feed, $document);
$body->appendChild($feedOutline);
}
}
$root->appendChild($body);
$document->appendChild($root);
return $document;
}
protected function createFeedOutline($feed, $document) {
$feedOutline = $document->createElement('outline');
$feedOutline->setAttribute('title', $feed->getTitle());
$feedOutline->setAttribute('text', $feed->getTitle());
$feedOutline->setAttribute('type', 'rss');
$feedOutline->setAttribute('xmlUrl', $feed->getUrl());
$feedOutline->setAttribute('htmlUrl', $feed->getLink());
return $feedOutline;
}
}
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