repod/lib/Core/EpisodeAction/EpisodeActionReader.php

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<?php
declare(strict_types=1);
namespace OCA\RePod\Core\EpisodeAction;
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class EpisodeActionReader
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{
/**
* https://github.com/pbek/nextcloud-nextpod/blob/main/lib/Core/EpisodeAction/EpisodeActionExtraData.php#L119.
*
* @throws \Exception if the XML data could not be parsed
*/
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public function parseRssXml(string $xmlString, ?int $fetchedAtUnix = null): array
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{
$episodes = [];
$xml = new \SimpleXMLElement($xmlString);
$channel = $xml->channel;
$episodeName = null;
$episodeLink = null;
$episodeImage = null;
$episodeDescription = null;
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$episodeGuid = null;
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$episodeFilesize = null;
$episodeDuration = null;
$episodePubDate = null;
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// Find episode by url and add data for it
/** @var \SimpleXMLElement $item */
foreach ($channel->item as $item) {
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$episodeUrl = (string) $item->enclosure['url'];
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// Get episode guid
$episodeGuid = (string) $item->guid;
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// Get episode filesize
$episodeFilesize = (int) $item->enclosure['length'];
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// Get episode name
$episodeName = $this->stringOrNull($item->title);
// Get episode link
$episodeLink = $this->stringOrNull($item->link);
// Get episode image
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$episodeChildren = $item->children('http://www.itunes.com/dtds/podcast-1.0.dtd');
if ($episodeChildren) {
$episodeImageAttributes = (array) $episodeChildren->image->attributes();
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$episodeImage = $this->stringOrNull(array_key_exists('href', $episodeImageAttributes) ? (string) $episodeImageAttributes['href'] : '');
$iTunesChildren = $item->children('itunes', true);
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// Get episode duration
if ($iTunesChildren) {
$rawDuration = $this->stringOrNull((string) $iTunesChildren->duration);
$splitDuration = array_reverse(explode(':', $rawDuration ?? ''));
$episodeDuration = (int) $splitDuration[0];
$episodeDuration += !empty($splitDuration[1]) ? (int) $splitDuration[1] * 60 : 0;
$episodeDuration += !empty($splitDuration[2]) ? (int) $splitDuration[2] * 60 : 0;
}
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if ($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) {
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$channelChildren = $channel->children('http://www.itunes.com/dtds/podcast-1.0.dtd');
if ($channelChildren) {
$episodeImageAttributes = (array) $channelChildren->image->attributes();
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$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);
}
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// Remove tags
$episodeDescription = strip_tags($episodeDescription ?? '');
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// Get episode pubDate
$rawPubDate = $this->stringOrNull($item->pubDate);
$episodePubDate = $rawPubDate ? new \DateTime($rawPubDate) : null;
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$episodes[] = new EpisodeActionExtraData(
$episodeUrl,
$this->stringOrNull($channel->title),
$episodeName,
$episodeLink,
$episodeImage,
$episodeDescription,
$fetchedAtUnix ?? (new \DateTime())->getTimestamp(),
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$episodeGuid,
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$episodePubDate,
$episodeFilesize,
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$episodeDuration
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);
}
return $episodes;
}
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/**
* @param null|\SimpleXMLElement|string $value
*/
private function stringOrNull($value): ?string
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{
if ($value) {
return (string) $value;
}
return null;
}
}