155 lines
3.1 KiB
PHP
155 lines
3.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\GPodderSync\Core\PodcastData;
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use DateTime;
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use JsonSerializable;
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use SimpleXMLElement;
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class PodcastData implements JsonSerializable {
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private string $title;
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private string $author;
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private string $link;
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private string $description;
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private string $image;
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private int $fetchedAtUnix;
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public function __construct(
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string $title,
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string $author,
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string $link,
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string $description,
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string $image,
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int $fetchedAtUnix,
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) {
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$this->title = $title;
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$this->author = $author;
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$this->link = $link;
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$this->description = $description;
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$this->image = $image;
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$this->fetchedAtUnix = $fetchedAtUnix;
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}
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/**
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* @return PodcastData
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* @throws Exception if the XML data could not be parsed.
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*/
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public static function parseRssXml(string $xmlString, ?int $fetchedAtUnix = null): PodcastData {
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$xml = new SimpleXMLElement($xmlString);
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$channel = $xml->channel;
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return new PodcastData(
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title: (string)$channel->title,
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author: (string)self::getXPathContent($xml, '/rss/channel/itunes:author'),
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link: (string)$channel->link,
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description: (string)$channel->description,
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image:
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(string)(self::getXPathContent($xml, '/rss/channel/image/url')
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?? self::getXPathAttribute($xml, '/rss/channel/itunes:image/@href')),
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fetchedAtUnix: $fetchedAtUnix ?? (new DateTime())->getTimestamp(),
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);
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}
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private static function getXPathContent(SimpleXMLElement $xml, string $xpath): ?string {
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$match = $xml->xpath($xpath);
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if ($match) {
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return (string)$match[0];
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}
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return null;
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}
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private static function getXPathAttribute(SimpleXMLElement $xml, string $xpath): ?string {
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$match = $xml->xpath($xpath);
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if ($match) {
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return (string)$match[0][0];
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}
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return null;
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}
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/**
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* @return string
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*/
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public function getTitle(): string {
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return $this->title;
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}
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/**
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* @return string
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*/
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public function getAuthor(): string {
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return $this->author;
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}
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/**
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* @return string
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*/
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public function getLink(): string {
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return $this->link;
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}
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/**
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* @return string
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*/
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public function getDescription(): string {
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return $this->description;
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}
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/**
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* @return string
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*/
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public function getImage(): string {
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return $this->image;
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}
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/**
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* @return int
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*/
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public function getFetchedAtUnix(): int {
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return $this->fetchedAtUnix;
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}
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/**
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* @return string
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*/
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public function __toString() : String {
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return $this->title;
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}
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/**
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* @return array<string,mixed>
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*/
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public function toArray(): array {
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return
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[
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'title' => $this->title,
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'author' => $this->author,
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'link' => $this->link,
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'description' => $this->description,
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'image' => $this->image,
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'fetchedAtUnix' => $this->fetchedAtUnix,
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];
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}
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/**
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* @return array<string,mixed>
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*/
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public function jsonSerialize(): mixed {
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return $this->toArray();
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}
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/**
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* @return PodcastData
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*/
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public static function fromArray(array $data): PodcastData {
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return new PodcastData(
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title: $data['title'],
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author: $data['author'],
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link: $data['link'],
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description: $data['description'],
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image: $data['image'],
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fetchedAtUnix: $data['fetchedAtUnix'],
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);
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}
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}
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