repod/lib/Core/EpisodeAction/EpisodeActionReader.php

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2023-08-24 10:48:10 +00:00
<?php
declare(strict_types=1);
namespace OCA\RePod\Core\EpisodeAction;
use OCA\GPodderSync\Db\EpisodeAction\EpisodeActionRepository;
use OCA\RePod\Service\UserService;
class EpisodeActionReader
{
public function __construct(
private EpisodeActionRepository $episodeActionRepository,
private UserService $userService
) {
}
/**
* https://github.com/pbek/nextcloud-nextpod/blob/main/lib/Core/EpisodeAction/EpisodeActionExtraData.php#L119.
*
* @throws \Exception if the XML data could not be parsed
*/
public function parseRssXml(string $xmlString, string $episodeUrl, ?int $fetchedAtUnix = null): array
{
$episodes = [];
$xml = new \SimpleXMLElement($xmlString);
$channel = $xml->channel;
$episodeName = null;
$episodeLink = null;
$episodeImage = null;
$episodeDescription = null;
$episodeUrlPath = parse_url($episodeUrl, PHP_URL_PATH);
// Find episode by url and add data for it
/** @var \SimpleXMLElement $item */
foreach ($channel->item as $item) {
$url = (string) $item->enclosure['url'];
// First try to match the url directly
if (false === strpos($episodeUrl, $url)) {
// Then try to match the path only
// The podcast http://feeds.feedburner.com/abcradio/10percenthappier has a "rss_browser" query parameter
// for every item that changed all the time, so we can't match the full url
$path = parse_url($url, PHP_URL_PATH);
if ($episodeUrlPath !== $path) {
continue;
}
}
// Get episode action
$episodeAction = $this->episodeActionRepository->findByEpisodeUrl($url, $this->userService->getUserUID());
// Get episode name
$episodeName = $this->stringOrNull($item->title);
// Get episode link
$episodeLink = $this->stringOrNull($item->link);
// Get episode image
$episodeImageChildren = $item->children('http://www.itunes.com/dtds/podcast-1.0.dtd');
if ($episodeImageChildren) {
$episodeImageAttributes = (array) $episodeImageChildren->image->attributes();
$episodeImage = $this->stringOrNull(array_key_exists('href', $episodeImageAttributes) ? (string) $episodeImageAttributes['href'] : '');
$iTunesChildren = $item->children('itunes', true);
if ($iTunesChildren && !$episodeImage) {
$episodeImage = $this->stringOrNull((string) $iTunesChildren->image['href']);
}
if (!$episodeImage) {
$episodeImage = $this->stringOrNull($channel->image->url);
}
if ($iTunesChildren && !$episodeImage) {
$episodeImage = $this->stringOrNull((string) $iTunesChildren->image['href']);
}
if (!$episodeImage) {
$channelImageChildren = $channel->children('http://www.itunes.com/dtds/podcast-1.0.dtd');
if ($channelImageChildren) {
$episodeImageAttributes = (array) $channelImageChildren->image->attributes();
$episodeImage = $this->stringOrNull(array_key_exists('href', $episodeImageAttributes) ? (string) $episodeImageAttributes['href'] : '');
}
}
if (!$episodeImage) {
preg_match('/<itunes:image\s+href="([^"]+)"/', $xmlString, $matches);
$episodeImage = $this->stringOrNull($matches[1]);
}
}
// Get episode description
$episodeContentChildren = $item->children('content', true);
if ($episodeContentChildren) {
$episodeDescription = $this->stringOrNull($episodeContentChildren->encoded);
}
if (!$episodeDescription) {
$episodeDescription = $this->stringOrNull($item->description);
}
// Open links in new browser window/tab
$episodeDescription = str_replace('<a ', '<a class="description-link" target="_blank" ', $episodeDescription ?? '');
$episodes[] = new EpisodeActionExtraData(
$episodeUrl,
$this->stringOrNull($channel->title),
$episodeName,
$episodeLink,
$episodeImage,
$episodeDescription,
$fetchedAtUnix ?? (new \DateTime())->getTimestamp(),
$episodeAction
);
}
return $episodes;
}
private function stringOrNull(mixed $value): ?string
{
if ($value) {
return (string) $value;
}
return null;
}
}