support path_mapping for downloader

app/modules/__init__.py

@@ -1,5 +1,6 @@
 from abc import abstractmethod, ABCMeta
 from typing import Generic, Tuple, Union, TypeVar, Type, Dict, Optional, Callable
+from pathlib import Path
 
 from app.helper.service import ServiceConfigHelper
 from app.schemas import Notification, NotificationConf, MediaServerConf, DownloaderConf
@@ -290,6 +291,30 @@ class _DownloaderBase(ServiceBase[TService, DownloaderConf]):
         重置默认配置名称
         """
         self._default_config_name = None
+    
+    def normalize_path(self, path: Path, downloader: Optional[str]) -> str:
+        """
+        根据下载器配置和路径映射，规范化下载路径
+
+        :param path: 原始路径
+        :param conf: 下载器配置
+        :return: 规范化后的路径
+        """
+        dir = path.as_posix()
+        conf = self.get_config(downloader)
+        if conf and conf.path_mapping:
+            for (src, dst) in conf.path_mapping:
+                src = Path(src.strip()).as_posix()
+                dst = Path(dst.strip()).as_posix()
+                if dir.startswith(src):
+                   dir = dir.replace(src, dst, 1)
+                   break
+        # 处理存储协议前缀
+        for s in StorageSchema:
+            prefix = f"{s.value}:"
+            if dir.startswith(prefix):
+                return dir[len(prefix):]
+        return dir
 
 
 class _MediaServerBase(ServiceBase[TService, MediaServerConf]):

app/modules/qbittorrent/__init__.py

@@ -150,7 +150,7 @@ class QbittorrentModule(_ModuleBase, _DownloaderBase[Qbittorrent]):
         # 添加任务
         state = server.add_torrent(
             content=content,
-            download_dir=download_dir.as_posix(),
+            download_dir=self.normalize_path(download_dir, downloader),
             is_paused=is_paused,
             tag=tags,
             cookie=cookie,

app/modules/subtitle/__init__.py

@@ -11,7 +11,7 @@ from app.core.context import Context
 from app.helper.torrent import TorrentHelper
 from app.log import logger
 from app.modules import _ModuleBase
-from app.schemas.file import FileItem
+from app.schemas.file import FileURI 
 from app.schemas.types import ModuleType, OtherModulesType
 from app.utils.http import RequestUtils
 from app.utils.string import StringUtils
@@ -65,12 +65,11 @@ class SubtitleModule(_ModuleBase):
     def test(self):
         pass
 
-    def download_added(self, context: Context, download_dir: Path, storage: str, torrent_content: Union[str, bytes] = None):
+    def download_added(self, context: Context, download_dir: Path, torrent_content: Union[str, bytes] = None):
         """
         添加下载任务成功后，从站点下载字幕，保存到下载目录
         :param context:  上下文，包括识别信息、媒体信息、种子信息
         :param download_dir:  下载目录
-        :param storage:  存储类型
         :param torrent_content: 种子内容，如果是种子文件，则为文件内容，否则为种子字符串
         :return: None，该方法可被多个模块同时处理
         """
@@ -93,6 +92,10 @@ class SubtitleModule(_ModuleBase):
         storageChain = StorageChain()
         # 等待目录存在
         working_dir_item = None
+        # split download_dir into storage and path
+        fileURI = FileURI.from_uri(download_dir.as_posix())
+        storage = fileURI.storage
+        download_dir = Path(fileURI.path)
         for _ in range(30):
             found = storageChain.get_file_item(storage,  download_dir / folder_name)
             if found:

app/modules/transmission/__init__.py

@@ -151,7 +151,7 @@ class TransmissionModule(_ModuleBase, _DownloaderBase[Transmission]):
         # 添加任务
         torrent = server.add_torrent(
             content=content,
-            download_dir=download_dir.as_posix(),
+            download_dir=self.normalize_path(download_dir, downloader),
             is_paused=is_paused,
             labels=labels,
             cookie=cookie