feat：增加事件 DiscoverSource、MediaRecognizeConvert

app/api/endpoints/discover.py

@@ -0,0 +1,27 @@
+from typing import Any, List
+
+from fastapi import APIRouter, Depends
+
+from app import schemas
+from app.core.event import eventmanager
+from app.core.security import verify_token
+from app.schemas import DiscoverSourceEventData
+from app.schemas.types import ChainEventType
+
+router = APIRouter()
+
+
+@router.get("/source", summary="获取发现数据源", response_model=List[schemas.DiscoverMediaSource])
+def source(_: schemas.TokenPayload = Depends(verify_token)) -> Any:
+    """
+    获取发现数据源
+    """
+    # 广播事件，请示额外的发现数据源支持
+    event_data = DiscoverSourceEventData()
+    event = eventmanager.send_event(ChainEventType.DiscoverSource, event_data)
+    # 使用事件返回的上下文数据
+    if event and event.event_data:
+        event_data: DiscoverSourceEventData = event.event_data
+        if event_data.extra_sources:
+            return event_data.extra_sources
+    return []