feat: 新增视频标题本地关键词过滤

lib/pages/setting/recommend_setting.dart

@@ -28,6 +28,7 @@ class _RecommendSettingState extends State<RecommendSetting> {
   // late int filterUnfollowedRatio;
   late int minDurationForRcmd;
   late int minLikeRatioForRecommend;
+  late String banWordForRecommend;
 
   @override
   void initState() {
@@ -44,6 +45,8 @@ class _RecommendSettingState extends State<RecommendSetting> {
         setting.get(SettingBoxKey.minDurationForRcmd, defaultValue: 0);
     minLikeRatioForRecommend =
         setting.get(SettingBoxKey.minLikeRatioForRecommend, defaultValue: 0);
+    banWordForRecommend =
+        setting.get(SettingBoxKey.banWordForRecommend, defaultValue: '');
   }
 
   @override
@@ -144,6 +147,66 @@ class _RecommendSettingState extends State<RecommendSetting> {
               }
             },
           ),
+          ListTile(
+            dense: false,
+            leading: const Icon(Icons.title_outlined),
+            title: Text('标题关键词过滤', style: titleStyle),
+            subtitle: Text(
+              banWordForRecommend.isEmpty ? "点击添加" : banWordForRecommend,
+              style: subTitleStyle,
+            ),
+            onTap: () async {
+              final TextEditingController textController =
+                  TextEditingController(text: banWordForRecommend);
+              await showDialog(
+                context: context,
+                builder: (context) {
+                  return AlertDialog(
+                    title: const Text('标题关键词过滤'),
+                    content: Column(mainAxisSize: MainAxisSize.min, children: [
+                      const Text('使用空格隔开，如：尝试 测试'),
+                      TextField(
+                        controller: textController,
+                        //decoration: InputDecoration(hintText: hintText),
+                      )
+                    ]),
+                    actions: <Widget>[
+                      TextButton(
+                        child: const Text('清空'),
+                        onPressed: () {
+                          textController.text = '';
+                        },
+                      ),
+                      TextButton(
+                        child: const Text('取消'),
+                        onPressed: () {
+                          Navigator.of(context).pop();
+                          SmartDialog.showToast('关键词未被修改');
+                        },
+                      ),
+                      TextButton(
+                        child: const Text('保存'),
+                        onPressed: () async {
+                          Navigator.of(context).pop();
+                          String filter = textController.text.trim();
+                          banWordForRecommend = filter;
+                          setting.put(SettingBoxKey.banWordForRecommend,
+                              banWordForRecommend);
+                          setState(() {});
+                          RecommendFilter.update();
+                          if (filter.isNotEmpty) {
+                            SmartDialog.showToast('已保存：$banWordForRecommend');
+                          } else {
+                            SmartDialog.showToast('已清除全部关键词');
+                          }
+                        },
+                      ),
+                    ],
+                  );
+                },
+              );
+            },
+          ),
           ListTile(
             dense: false,
             title: Text('视频时长过滤', style: titleStyle),

lib/utils/recommend_filter.dart

@@ -8,6 +8,7 @@ class RecommendFilter {
   static late int minLikeRatioForRecommend;
   static late bool exemptFilterForFollowed;
   static late bool applyFilterToRelatedVideos;
+  static late List<String> banWordList;
   RecommendFilter() {
     update();
   }
@@ -20,6 +21,9 @@ class RecommendFilter {
         setting.get(SettingBoxKey.minDurationForRcmd, defaultValue: 0);
     minLikeRatioForRecommend =
         setting.get(SettingBoxKey.minLikeRatioForRecommend, defaultValue: 0);
+    banWordList = (setting.get(SettingBoxKey.banWordForRecommend,
+            defaultValue: '') as String)
+        .split(' ');
     exemptFilterForFollowed =
         setting.get(SettingBoxKey.exemptFilterForFollowed, defaultValue: true);
     applyFilterToRelatedVideos = setting
@@ -47,6 +51,9 @@ class RecommendFilter {
             minLikeRatioForRecommend * videoItem.stat.view) {
       return true;
     }
+    for (var word in banWordList) {
+      if (word.isNotEmpty && videoItem.title.contains(word)) return true;
+    }
     return false;
   }
 }

lib/utils/storage.dart

@@ -170,6 +170,7 @@ class SettingBoxKey {
       minDurationForRcmd = 'minDurationForRcmd',
       minLikeRatioForRecommend = 'minLikeRatioForRecommend',
       exemptFilterForFollowed = 'exemptFilterForFollowed',
+      banWordForRecommend = 'banWordForRecommend',
       //filterUnfollowedRatio = 'filterUnfollowedRatio',
       applyFilterToRelatedVideos = 'applyFilterToRelatedVideos',