RssFeed.parse constructor

RssFeed.parse(String xmlString)

Implementation

factory RssFeed.parse(String xmlString) {
  final document = XmlDocument.parse(xmlString);
  XmlElement channelElement;
  try {
    channelElement = document.findAllElements('channel').first;
  } on StateError {
    throw ArgumentError('channel not found');
  }

  return RssFeed(
    title: findElementOrNull(channelElement, 'title')?.text,
    author: findElementOrNull(channelElement, 'author')?.text,
    description: findElementOrNull(channelElement, 'description')?.text,
    link: findElementOrNull(channelElement, 'link')?.text,
    items: channelElement.findElements('item').map((element) => RssItem.parse(element)).toList(),
    image: RssImage.parse(findElementOrNull(channelElement, 'image')),
    cloud: RssCloud.parse(findElementOrNull(channelElement, 'cloud')),
    categories: channelElement.findElements('category').map((element) => RssCategory.parse(element)).toList(),
    skipDays: findElementOrNull(channelElement, 'skipDays')
            ?.findAllElements('day')
            .map((element) => element.text)
            .toList() ??
        <String>[],
    skipHours: findElementOrNull(channelElement, 'skipHours')
            ?.findAllElements('hour')
            .map((element) => int.tryParse(element.text) ?? 0)
            .toList() ??
        <int>[],
    lastBuildDate: findElementOrNull(channelElement, 'lastBuildDate')?.text,
    language: findElementOrNull(channelElement, 'language')?.text,
    generator: findElementOrNull(channelElement, 'generator')?.text,
    copyright: findElementOrNull(channelElement, 'copyright')?.text,
    docs: findElementOrNull(channelElement, 'docs')?.text,
    managingEditor: findElementOrNull(channelElement, 'managingEditor')?.text,
    rating: findElementOrNull(channelElement, 'rating')?.text,
    webMaster: findElementOrNull(channelElement, 'webMaster')?.text,
    ttl: int.tryParse(findElementOrNull(channelElement, 'ttl')?.text ?? '0') ?? 0,
    dc: DublinCore.parse(channelElement),
    itunes: RssItunes.parse(channelElement),
    podcastIndex: RssPodcastIndex.parse(channelElement),
  );
}