webfeed/lib/domain/media/group.dart

import 'package:webfeed/domain/media/category.dart';
import 'package:webfeed/domain/media/content.dart';
import 'package:webfeed/domain/media/credit.dart';
import 'package:webfeed/domain/media/rating.dart';
import 'package:webfeed/util/xml.dart';
import 'package:xml/xml.dart';

class Group {
  final List<Content> contents;
  final List<Credit> credits;
  final Category category;
  final Rating rating;

  Group({
    this.contents,
    this.credits,
    this.category,
    this.rating,
  });

  factory Group.parse(XmlElement element) {
    if (element == null) {
      return null;
    }
    return new Group(
      contents: element.findElements("media:content").map((e) {
        return new Content.parse(e);
      }).toList(),
      credits: element.findElements("media:credit").map((e) {
        return new Credit.parse(e);
      }).toList(),
      category: new Category.parse(
        findElementOrNull(element, "media:category"),
      ),
      rating: new Rating.parse(
        findElementOrNull(element, "media:rating"),
      ),
    );
  }
}