feat: filter hot/rank video title

Closes #38

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/http/video.dart

@@ -171,7 +171,8 @@ class VideoHttp {
       List<HotVideoItemModel> list = [];
       List<int> blackMidsList = GStorage.blackMidsList;
       for (var i in res.data['data']['list']) {
-        if (!blackMidsList.contains(i['owner']['mid'])) {
+        if (!blackMidsList.contains(i['owner']['mid']) &&
+            !RecommendFilter.filterTitle(i['title'])) {
           list.add(HotVideoItemModel.fromJson(i));
         }
       }
@@ -978,7 +979,8 @@ class VideoHttp {
       List<HotVideoItemModel> list = [];
       List<int> blackMidsList = GStorage.blackMidsList;
       for (var i in res.data['data']['list']) {
-        if (!blackMidsList.contains(i['owner']['mid'])) {
+        if (!blackMidsList.contains(i['owner']['mid']) &&
+            !RecommendFilter.filterTitle(i['title'])) {
           list.add(HotVideoItemModel.fromJson(i));
         }
       }

lib/pages/setting/recommend_setting.dart

@@ -155,43 +155,42 @@ class _RecommendSettingState extends State<RecommendSetting> {
                 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),
-                      )
-                    ]),
+                    title: const Text(
+                      '标题关键词过滤',
+                      style: TextStyle(fontSize: 18),
+                    ),
+                    content: Column(
+                      mainAxisSize: MainAxisSize.min,
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        const Text('使用|隔开，如：尝试|测试'),
+                        TextField(
+                          controller: textController,
+                          textInputAction: TextInputAction.newline,
+                          minLines: 1,
+                          maxLines: 4,
+                        )
+                      ],
+                    ),
                     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');
-                        },
+                        onPressed: Get.back,
+                        child: Text(
+                          '取消',
+                          style: TextStyle(
+                              color: Theme.of(context).colorScheme.outline),
+                        ),
                       ),
                       TextButton(
                         child: const Text('保存'),
                         onPressed: () async {
-                          Navigator.of(context).pop();
-                          String filter = textController.text.trim();
-                          banWordForRecommend = filter;
+                          Get.back();
+                          banWordForRecommend = textController.text;
                           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');
-                          }
+                          SmartDialog.showToast('已保存');
                         },
                       ),
                     ],
@@ -285,7 +284,7 @@ class _RecommendSettingState extends State<RecommendSetting> {
             },
           ),
           SetSwitchItem(
-            title: '已关注Up豁免推荐过滤',
+            title: '已关注UP豁免推荐过滤',
             subTitle: '推荐中已关注用户发布的内容不会被过滤',
             leading: const Icon(Icons.favorite_border_outlined),
             setKey: SettingBoxKey.exemptFilterForFollowed,

lib/utils/recommend_filter.dart

@@ -8,7 +8,7 @@ class RecommendFilter {
   static late int minLikeRatioForRecommend;
   static late bool exemptFilterForFollowed;
   static late bool applyFilterToRelatedVideos;
-  static late List<String> banWordList;
+  static late String banWords;
   RecommendFilter() {
     update();
   }
@@ -21,9 +21,7 @@ class RecommendFilter {
         setting.get(SettingBoxKey.minDurationForRcmd, defaultValue: 0);
     minLikeRatioForRecommend =
         setting.get(SettingBoxKey.minLikeRatioForRecommend, defaultValue: 0);
-    banWordList = (setting.get(SettingBoxKey.banWordForRecommend,
-            defaultValue: '') as String)
-        .split(' ');
+    banWords = setting.get(SettingBoxKey.banWordForRecommend, defaultValue: '');
     exemptFilterForFollowed =
         setting.get(SettingBoxKey.exemptFilterForFollowed, defaultValue: true);
     applyFilterToRelatedVideos = setting
@@ -51,8 +49,18 @@ class RecommendFilter {
             minLikeRatioForRecommend * videoItem.stat.view) {
       return true;
     }
-    for (var word in banWordList) {
-      if (word.isNotEmpty && videoItem.title.contains(word)) return true;
+    if (filterTitle(videoItem.title)) {
+      return true;
+    }
+    return false;
+  }
+
+  static bool filterTitle(String title, {bool? isFollowed}) {
+    if (exemptFilterForFollowed && isFollowed == true) {
+      return false;
+    }
+    if (banWords.isNotEmpty && RegExp(banWords).hasMatch(title)) {
+      return true;
     }
     return false;
   }