109 lines
3.3 KiB
Dart
109 lines
3.3 KiB
Dart
import 'dart:core';
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import '../domain/dublin_core/dublin_core.dart';
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import '../domain/rss_category.dart';
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import '../domain/rss_cloud.dart';
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import '../domain/rss_image.dart';
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import '../domain/rss_item.dart';
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import '../util/helpers.dart';
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import 'package:xml/xml.dart';
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import 'rss_itunes.dart';
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class RssFeed {
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final String title;
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final String author;
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final String description;
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final String link;
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final List<RssItem> items;
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final RssImage image;
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final RssCloud cloud;
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final List<RssCategory> categories;
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final List<String> skipDays;
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final List<int> skipHours;
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final String lastBuildDate;
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final String language;
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final String generator;
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final String copyright;
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final String docs;
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final String managingEditor;
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final String rating;
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final String webMaster;
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final int ttl;
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final DublinCore dc;
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final RssItunes itunes;
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RssFeed({
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this.title,
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this.author,
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this.description,
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this.link,
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this.items,
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this.image,
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this.cloud,
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this.categories,
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this.skipDays,
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this.skipHours,
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this.lastBuildDate,
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this.language,
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this.generator,
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this.copyright,
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this.docs,
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this.managingEditor,
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this.rating,
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this.webMaster,
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this.ttl,
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this.dc,
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this.itunes,
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});
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factory RssFeed.parse(String xmlString) {
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var document = XmlDocument.parse(xmlString);
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XmlElement channelElement;
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try {
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channelElement = document.findAllElements("channel").first;
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} on StateError {
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throw ArgumentError("channel not found");
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}
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return RssFeed(
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title: findElementOrNull(channelElement, "title")?.text,
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author: findElementOrNull(channelElement, "author")?.text,
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description: findElementOrNull(channelElement, "description")?.text,
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link: findElementOrNull(channelElement, "link")?.text,
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items: channelElement.findElements("item").map((element) {
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return RssItem.parse(element);
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}).toList(),
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image: RssImage.parse(findElementOrNull(channelElement, "image")),
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cloud: RssCloud.parse(findElementOrNull(channelElement, "cloud")),
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categories: channelElement.findElements("category").map((element) {
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return RssCategory.parse(element);
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}).toList(),
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skipDays: findElementOrNull(channelElement, "skipDays")
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?.findAllElements("day")
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?.map((element) {
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return element.text;
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})?.toList() ??
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[],
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skipHours: findElementOrNull(channelElement, "skipHours")
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?.findAllElements("hour")
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?.map((element) {
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return int.tryParse(element.text ?? "0");
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})?.toList() ??
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[],
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lastBuildDate: findElementOrNull(channelElement, "lastBuildDate")?.text,
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language: findElementOrNull(channelElement, "language")?.text,
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generator: findElementOrNull(channelElement, "generator")?.text,
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copyright: findElementOrNull(channelElement, "copyright")?.text,
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docs: findElementOrNull(channelElement, "docs")?.text,
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managingEditor: findElementOrNull(channelElement, "managingEditor")?.text,
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rating: findElementOrNull(channelElement, "rating")?.text,
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webMaster: findElementOrNull(channelElement, "webMaster")?.text,
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ttl: int.tryParse(findElementOrNull(channelElement, "ttl")?.text ?? "0"),
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dc: DublinCore.parse(channelElement),
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itunes: RssItunes.parse(channelElement),
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);
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}
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}
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