feat(storage): expose a path to access local storage

app/router/file.py

@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from app.dependencies.storage import get_storage_service
+from app.storage import LocalStorageService, StorageService
+
+from fastapi import APIRouter, Depends, HTTPException
+from fastapi.responses import FileResponse
+
+file_router = APIRouter(prefix="/file")
+
+
+@file_router.get("/{path:path}")
+async def get_file(path: str, storage: StorageService = Depends(get_storage_service)):
+    if not isinstance(storage, LocalStorageService):
+        raise HTTPException(404, "Not Found")
+    if not await storage.is_exists(path):
+        raise HTTPException(404, "Not Found")
+
+    try:
+        return FileResponse(
+            path=storage._get_file_path(path),
+            media_type="application/octet-stream",
+            filename=path.split("/")[-1],
+        )
+    except FileNotFoundError:
+        raise HTTPException(404, "Not Found")