feat: local storage logic & endpoints

app/api/v1/upload.py

@@ -1,11 +1,24 @@
 """Local file upload endpoint."""
 
-from typing import Any
+from typing import Annotated
 
-from fastapi import APIRouter
+from fastapi import APIRouter, File, UploadFile
+
+from app.api.deps import CurrentUser, UploadServiceDep
+from app.api.schemas.upload import UploadResponse
 
 router = APIRouter(prefix="/upload", tags=["upload"])
 
 
-@router.post("")
-async def upload_file() -> Any: ...
+@router.post("", response_model=UploadResponse)
+async def upload_file(
+    file: Annotated[UploadFile, File()],
+    current_user: CurrentUser,
+    service: UploadServiceDep,
+) -> UploadResponse:
+    result = await service.handle_upload(upload=file, user=current_user)
+    return UploadResponse(
+        track_id=result.track_id,
+        title=result.title,
+        already_exists=result.already_exists,
+    )