feat(workflow): enhance workflow execution and context management

app/workflow/actions/__init__.py

@@ -26,6 +26,8 @@ class BaseAction(ABC):
 
     def __init__(self, action_id: str):
         self._action_id = action_id
+        self._done_flag = False
+        self._message = ""
         self.systemconfigoper = SystemConfigOper()
 
     @classmethod
@@ -92,9 +94,12 @@ class BaseAction(ABC):
         workflow_cache = self.systemconfigoper.get(workflow_key) or {}
         action_cache = workflow_cache.get(self._action_id) or []
         if isinstance(data, list):
-            action_cache.extend(data)
+            for item in data:
+                if item not in action_cache:
+                    action_cache.append(item)
         else:
-            action_cache.append(data)
+            if data not in action_cache:
+                action_cache.append(data)
         workflow_cache[self._action_id] = action_cache
         self.systemconfigoper.set(workflow_key, workflow_cache)
 

app/workflow/actions/fetch_downloads.py

@@ -43,12 +43,19 @@ class FetchDownloadsAction(BaseAction):
         """
         更新downloads中的下载任务状态
         """
-        __all_complete = False
+        self._downloads = context.downloads or []
+        if not self._downloads:
+            self.job_done("无下载任务")
+            return context
+
         for download in self._downloads:
             if global_vars.is_workflow_stopped(workflow_id):
                 break
             logger.info(f"获取下载任务 {download.download_id} 状态 ...")
-            torrents = ActionChain().list_torrents(hashs=[download.download_id])
+            torrents = ActionChain().list_torrents(
+                hashs=[download.download_id],
+                downloader=download.downloader,
+            )
             if not torrents:
                 download.completed = True
                 continue
@@ -61,5 +68,5 @@ class FetchDownloadsAction(BaseAction):
                     logger.info(f"下载任务 {download.download_id} 未完成")
                     download.completed = False
         if all([d.completed for d in self._downloads]):
-            self.job_done()
+            self.job_done("下载任务已全部完成")
         return context

app/workflow/actions/scrape_file.py

@@ -61,18 +61,18 @@ class ScrapeFileAction(BaseAction):
                 logger.info(f"{fileitem.path} 已刮削过，跳过")
                 continue
             mediachain = MediaChain()
-            context = mediachain.recognize_by_path(
+            media_context = mediachain.recognize_by_path(
                 fileitem.path,
                 obtain_images=True,
             )
-            if not context or not context.media_info:
+            if not media_context or not media_context.media_info:
                 _failed_count += 1
                 logger.info(f"{fileitem.path} 未识别到媒体信息，无法刮削")
                 continue
             mediachain.scrape_metadata(
                 fileitem=fileitem,
-                meta=context.meta_info,
-                mediainfo=context.media_info
+                meta=media_context.meta_info,
+                mediainfo=media_context.media_info
             )
             self._scraped_files.append(fileitem)
             # 保存缓存