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