ItunesChannel.fromXml constructor

ItunesChannel.fromXml(UniversalFeed rf, XmlElement node)

Creates a new ItunesChannel from an XmlElement

Implementation

factory ItunesChannel.fromXml(UniversalFeed rf, XmlElement node) {
  final nsUrl = rf.meta.extensions.nsUrl(nsItunesNs);
  final ic = ItunesChannel._();

  getElement<XmlElement>(
    node,
    'image',
    ns: nsUrl,
    cb: (value) {
      final url = value.getAttribute('href') ?? value.getAttribute('url');
      if (url != null) ic.image = Image(url.trim());
    },
  );
  getElement<XmlElement>(
    node,
    'category',
    ns: nsUrl,
    cb: (value) {
      final cat = value.getAttribute('text')?.trim();
      if (cat == null || cat.isEmpty) return;

      ic.categories.add(Category(label: cat));
      final subCat = value.getElement('category', namespace: nsUrl)?.getAttribute('text')?.trim();
      if (subCat != null && subCat.isNotEmpty) ic.categories.add(Category(label: subCat));
    },
  );

  getElement<XmlElement>(
    node,
    'owner',
    ns: nsUrl,
    cb: (value) {
      ic.owner = Author(
        name: value.getElement('name', namespace: nsUrl)?.innerText ?? '',
        email: value.getElement('email', namespace: nsUrl)?.innerText ?? '',
      );
    },
  );

  ic
    ..explicit = node.getElement('explicit', namespace: nsUrl)?.innerText.trim()
    ..author = node.getElement('author', namespace: nsUrl)?.innerText.trim()
    ..title = node.getElement('title', namespace: nsUrl)?.innerText.trim()
    ..type = node.getElement('type', namespace: nsUrl)?.innerText.trim()
    ..newFeedUrl = node.getElement('new-feed-url', namespace: nsUrl)?.innerText.trim()
    ..block = node.getElement('block', namespace: nsUrl)?.innerText.trim()
    ..complete = node.getElement('complete', namespace: nsUrl)?.innerText.trim()
    ..summary = node.getElement('summary', namespace: nsUrl)?.innerText.trim();

  getElement<XmlElement>(
    node,
    'keywords',
    ns: nsUrl,
    cb: (xml) {
      final kws = Set.of(xml.innerText.split(',').map((e) => e.trim())).where((e) => e.isNotEmpty);
      if (kws.isEmpty) return;
      final cats = List<Category>.generate(
        kws.length,
        (p) => Category(label: kws.elementAt(p), scheme: 'keyword'),
      );
      ic.categories.addAll(cats);
    },
  );

  return ic;
}