refactor: optimize backend module

domain/offline_downloads/api.py

@@ -0,0 +1,42 @@
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, Request
+
+from api.response import success
+from domain.audit import AuditAction, audit
+from domain.auth.service import get_current_active_user
+from domain.auth.types import User
+from domain.offline_downloads.service import OfflineDownloadService
+from domain.offline_downloads.types import OfflineDownloadCreate
+
+CurrentUser = Annotated[User, Depends(get_current_active_user)]
+
+router = APIRouter(
+    prefix="/api/offline-downloads",
+    tags=["OfflineDownloads"],
+)
+
+
+@router.post("/")
+@audit(
+    action=AuditAction.CREATE,
+    description="创建离线下载任务",
+    body_fields=["url", "dest_dir", "filename"],
+)
+async def create_offline_download(request: Request, payload: OfflineDownloadCreate, current_user: CurrentUser):
+    data = await OfflineDownloadService.create_download(payload, current_user)
+    return success(data)
+
+
+@router.get("/")
+@audit(action=AuditAction.READ, description="获取离线下载列表")
+async def list_offline_downloads(request: Request, current_user: CurrentUser):
+    data = OfflineDownloadService.list_downloads()
+    return success(data)
+
+
+@router.get("/{task_id}")
+@audit(action=AuditAction.READ, description="获取离线下载详情")
+async def get_offline_download(task_id: str, request: Request, current_user: CurrentUser):
+    data = OfflineDownloadService.get_download(task_id)
+    return success(data)