refactor(helper): 将DirectoryHelper、RuleHelper和TorrentHelper方法改为静态方法

- 移除不必要的实例化操作，直接使用类方法

app/modules/filemanager/__init__.py

@@ -533,7 +533,7 @@ class FileManagerModule(_ModuleBase):
         handler = TransHandler()
         ret_fileitems = []
         # 检查本地媒体库
-        dest_dirs = DirectoryHelper().get_library_dirs()
+        dest_dirs = DirectoryHelper.get_library_dirs()
         # 检查每一个媒体库目录
         for dest_dir in dest_dirs:
             # 存储

app/modules/filemanager/storages/local.py

@@ -338,10 +338,9 @@ class LocalStorage(StorageBase):
         """
         存储使用情况
         """
-        directory_helper = DirectoryHelper()
         total_storage, free_storage = SystemUtils.space_usage(
-            [Path(d.download_path) for d in directory_helper.get_local_download_dirs() if d.download_path] +
-            [Path(d.library_path) for d in directory_helper.get_local_library_dirs() if d.library_path]
+            [Path(d.download_path) for d in DirectoryHelper.get_local_download_dirs() if d.download_path] +
+            [Path(d.library_path) for d in DirectoryHelper.get_local_library_dirs() if d.library_path]
         )
         return schemas.StorageUsage(
             total=total_storage,

app/modules/filter/__init__.py

@@ -141,10 +141,6 @@ class FilterModule(_ModuleBase):
         },
     }
 
-    def __init__(self):
-        super().__init__()
-        self.rulehelper = RuleHelper()
-
     def init_module(self) -> None:
         self.parser = RuleParser()
         self.__init_custom_rules()
@@ -153,7 +149,7 @@ class FilterModule(_ModuleBase):
         """
         加载用户自定义规则，如跟内置规则冲突，以用户自定义规则为准
         """
-        custom_rules = self.rulehelper.get_custom_rules()
+        custom_rules = RuleHelper.get_custom_rules()
         for rule in custom_rules:
             logger.info(f"加载自定义规则 {rule.id} - {rule.name}")
             self.rule_set[rule.id] = rule.model_dump()

app/modules/subtitle/__init__.py

@@ -145,7 +145,7 @@ class SubtitleModule(_ModuleBase):
         # 字幕下载目录
         logger.info("开始从站点下载字幕：%s" % torrent.page_url)
         # 获取种子信息
-        folder_name, _ = TorrentHelper().get_fileinfo_from_torrent_content(torrent_content)
+        folder_name, _ = TorrentHelper.get_fileinfo_from_torrent_content(torrent_content)
         # 文件保存目录，如果是单文件种子，则folder_name是空，此时文件保存目录就是下载目录
         storageChain = StorageChain()
         # 等待目录存在