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<?php
/**
* ownCloud - News
*
* @author Alessandro Cosentino
* @author Bernhard Posselt
* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
* @copyright 2012 Bernhard Posselt dev@bernhard-posselt.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\News\Utility;
/**
* Exports the OPML
*/
class OPMLExporter {
/**
* Generates the OPML for the active user
* @return the OPML as string
*/
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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