新增信息流 （接入 Anicat G佬 新闻组+）

lib/api/rss.dart

@@ -0,0 +1,31 @@
+import 'dart:io';
+
+import 'package:dart_rss/dart_rss.dart';
+import 'package:dio/dio.dart';
+import 'package:starcitizen_doctor/common/conf.dart';
+
+class RSSApi {
+  static final _dio = Dio(BaseOptions(
+      connectTimeout: const Duration(seconds: 10),
+      responseType: ResponseType.plain));
+
+  static Future<List<RssItem>> getRssVideo() async {
+    final r = await _dio.get(AppConf.rssVideoUrl);
+    final f = RssFeed.parse(r.data);
+    return f.items.sublist(0, 8);
+  }
+
+  static Future<List<RssItem>> getRssText() async {
+    final r1 = await _dio.get(AppConf.rssTextUrl1);
+    final r1f = RssFeed.parse(r1.data);
+    final r2 = await _dio.get(AppConf.rssTextUrl2);
+    final r2f = RssFeed.parse(r2.data);
+    final items = r1f.items..addAll(r2f.items);
+    items.sort((a, b) {
+      final aDate = HttpDate.parse(a.pubDate ?? "").millisecondsSinceEpoch;
+      final bDate = HttpDate.parse(b.pubDate ?? "").millisecondsSinceEpoch;
+      return bDate - aDate;
+    });
+    return items;
+  }
+}