opt: bangumi follow status

lib/http/bangumi.dart

@@ -1,5 +1,8 @@
+import 'dart:convert';
 import '../models/bangumi/list.dart';
 import 'index.dart';
+import 'package:html/parser.dart' as html_parser;
+import 'package:html/dom.dart' as html_dom;
 
 class BangumiHttp {
   static Future bangumiList({int? page}) async {
@@ -33,4 +36,49 @@ class BangumiHttp {
       };
     }
   }
+
+  // 获取追番状态
+  static Future bangumiStatus({required int seasonId}) async {
+    var res = await Request()
+        .get('https://www.bilibili.com/bangumi/play/ss$seasonId');
+    html_dom.Document document = html_parser.parse(res.data);
+    // 查找 id 为 __NEXT_DATA__ 的 script 元素
+    html_dom.Element? scriptElement =
+        document.querySelector('script#\\__NEXT_DATA__');
+    if (scriptElement != null) {
+      // 提取 script 元素的内容
+      String scriptContent = scriptElement.text;
+      final dynamic scriptContentJson = jsonDecode(scriptContent);
+      Map followState = scriptContentJson['props']['pageProps']['followState'];
+      return {
+        'status': true,
+        'data': {
+          'isFollowed': followState['isFollowed'],
+          'followStatus': followState['followStatus']
+        }
+      };
+    } else {
+      print('Script element with id "__NEXT_DATA__" not found.');
+    }
+  }
+
+  // 更新追番状态
+  static Future updateBangumiStatus({
+    required int seasonId,
+    required int status,
+  }) async {
+    var res = await Request().post(Api.updateBangumiStatus, data: {
+      'season_id': seasonId,
+      'status': status,
+    });
+    if (res.data['code'] == 0) {
+      return {'status': true, 'data': res.data['data']};
+    } else {
+      return {
+        'status': false,
+        'data': [],
+        'msg': res.data['message'],
+      };
+    }
+  }
 }