148 lines
4.4 KiB
PHP
148 lines
4.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\RePod\Core\EpisodeAction;
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use OCA\GPodderSync\Core\EpisodeAction\EpisodeAction;
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use OCA\GPodderSync\Db\EpisodeAction\EpisodeActionRepository;
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use OCA\RePod\Service\UserService;
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class EpisodeActionReader
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{
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public function __construct(
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private EpisodeActionRepository $episodeActionRepository,
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private UserService $userService
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) {}
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public function findByEpisodeUrl(string $episodeUrl): ?EpisodeAction {
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return $this->episodeActionRepository->findByEpisodeUrl($episodeUrl, $this->userService->getUserUID());
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}
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/**
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* Base: https://github.com/pbek/nextcloud-nextpod/blob/main/lib/Core/EpisodeAction/EpisodeActionExtraData.php#L119.
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* Specs : https://github.com/Podcast-Standards-Project/PSP-1-Podcast-RSS-Specification/blob/main/README.md.
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*
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* @return EpisodeActionExtraData[]
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* @throws \Exception if the XML data could not be parsed
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*/
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public function parseRssXml(string $xmlString, ?int $fetchedAtUnix = null): array {
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$episodes = [];
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$xml = new \SimpleXMLElement($xmlString);
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$channel = $xml->channel;
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$podcast = (string) $channel->title;
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// Find episode by url and add data for it
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/** @var \SimpleXMLElement $item */
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foreach ($channel->item as $item) {
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$url = (string) $item->enclosure['url'];
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$type = (string) $item->enclosure['type'];
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$size = (int) $item->enclosure['length'];
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$guid = (string) $item->guid;
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$rawDuration = $this->stringOrNull($item->duration);
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// Get episode action
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$action = $this->episodeActionRepository->findByGuid($guid, $this->userService->getUserUID());
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if ($action) {
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$url = $action->getEpisode();
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} else {
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$action = $this->episodeActionRepository->findByEpisodeUrl($url, $this->userService->getUserUID());
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}
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// Get episode name
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$name = (string) $item->title;
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// Get episode link
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$link = $this->stringOrNull($item->link);
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// Get episode image
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$image = $this->stringOrNull($channel->image->url);
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$itemChildren = $item->children('http://www.itunes.com/dtds/podcast-1.0.dtd');
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if ($itemChildren) {
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$imageAttributes = (array) $itemChildren->image->attributes();
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$image = $this->stringOrNull(array_key_exists('href', $imageAttributes) ? (string) $imageAttributes['href'] : '');
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$iTunesItemChildren = $item->children('itunes', true);
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$iTunesChannelChildren = $channel->children('itunes', true);
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// Get episode duration
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if ($iTunesItemChildren) {
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$rawDuration = $this->stringOrNull($rawDuration ?? $iTunesItemChildren->duration);
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}
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if ($iTunesItemChildren && !$image) {
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$image = $this->stringOrNull($iTunesItemChildren->image['href']);
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}
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if ($iTunesChannelChildren && !$image) {
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$image = $this->stringOrNull($iTunesChannelChildren->image['href']);
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}
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if (!$image) {
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$channelChildren = $channel->children('http://www.itunes.com/dtds/podcast-1.0.dtd');
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if ($channelChildren) {
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$imageAttributes = (array) $channelChildren->image->attributes();
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$image = $this->stringOrNull(array_key_exists('href', $imageAttributes) ? (string) $imageAttributes['href'] : '');
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}
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}
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if (!$image) {
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preg_match('/<itunes:image\s+href="([^"]+)"/', $xmlString, $matches);
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$image = $this->stringOrNull($matches[1]);
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}
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}
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// Get episode description
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$itemContent = $item->children('content', true);
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if ($itemContent) {
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$description = $this->stringOrNull($itemContent->encoded);
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} else {
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$description = $this->stringOrNull($item->description);
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}
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// Remove tags
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$description = strip_tags($description ?? '');
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// Get episode pubDate
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$rawPubDate = $this->stringOrNull($item->pubDate);
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$pubDate = $rawPubDate ? new \DateTime($rawPubDate) : null;
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// Get episode duration
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$splitDuration = array_reverse(explode(':', $rawDuration ?? ''));
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$duration = (int) $splitDuration[0];
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$duration += !empty($splitDuration[1]) ? (int) $splitDuration[1] * 60 : 0;
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$duration += !empty($splitDuration[2]) ? (int) $splitDuration[2] * 60 : 0;
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$episodes[] = new EpisodeActionExtraData(
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$podcast,
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$url,
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$name,
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$link,
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$image,
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$description,
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$fetchedAtUnix ?? (new \DateTime())->getTimestamp(),
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$guid,
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$type,
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$size,
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$pubDate,
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$duration,
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$action
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);
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}
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return $episodes;
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}
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/**
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* @param null|\SimpleXMLElement|string $value
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*/
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private function stringOrNull($value): ?string {
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if ($value) {
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return (string) $value;
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}
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return null;
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}
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}
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