feat(config): 优化配置变更事件处理机制

app/monitor.py

@@ -17,13 +17,12 @@ from app.chain.storage import StorageChain
 from app.chain.transfer import TransferChain
 from app.core.cache import TTLCache, FileCache
 from app.core.config import settings
-from app.core.event import Event, eventmanager
 from app.helper.directory import DirectoryHelper
 from app.helper.message import MessageHelper
 from app.log import logger
-from app.schemas import ConfigChangeEventData
 from app.schemas import FileItem
-from app.schemas.types import SystemConfigKey, EventType
+from app.schemas.types import SystemConfigKey
+from app.utils.mixins import ConfigReloadMixin
 from app.utils.singleton import SingletonClass
 from app.utils.system import SystemUtils
 
@@ -60,10 +59,11 @@ class FileMonitorHandler(FileSystemEventHandler):
             logger.error(f"on_moved 异常: {e}")
 
 
-class Monitor(metaclass=SingletonClass):
+class Monitor(ConfigReloadMixin, metaclass=SingletonClass):
     """
     目录监控处理链，单例模式
     """
+    CONFIG_WATCH = {SystemConfigKey.Directories.value}
 
     def __init__(self):
         super().__init__()
@@ -84,20 +84,12 @@ class Monitor(metaclass=SingletonClass):
         # 启动目录监控和文件整理
         self.init()
 
-    @eventmanager.register(EventType.ConfigChanged)
-    def handle_config_changed(self, event: Event):
-        """
-        处理配置变更事件
-        :param event: 事件对象
-        """
-        if not event:
-            return
-        event_data: ConfigChangeEventData = event.event_data
-        if event_data.key not in [SystemConfigKey.Directories.value]:
-            return
-        logger.info("配置变更事件触发，重新初始化目录监控...")
+    def on_config_changed(self):
         self.init()
 
+    def get_reload_name(self):
+        return "目录监控"
+
     def save_snapshot(self, storage: str, snapshot: Dict, file_count: int = 0,
                       last_snapshot_time: Optional[float] = None):
         """