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Refactor file upload and download functions

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This commit is contained in:
Gabriel Luiz Freitas Almeida 2024-01-29 22:48:55 -03:00
commit 6362cd2891
1 changed files with 5 additions and 6 deletions
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11
src/backend/langflow/api/v1/files.py
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@ -4,7 +4,6 @@ from io import BytesIO
from fastapi import APIRouter, Depends, HTTPException, UploadFile
from fastapi.responses import StreamingResponse
from langflow.api.v1.schemas import UploadFileResponse
from langflow.services.auth.utils import get_current_active_user
from langflow.services.database.models.flow import Flow
@ -42,7 +41,7 @@ async def upload_file(
file_content = await file.read()
file_name = file.filename or hashlib.sha256(file_content).hexdigest()
folder = flow_id
storage_service.save_file(flow_id=folder, file_name=file_name, data=file_content)
await storage_service.save_file(flow_id=folder, file_name=file_name, data=file_content)
return UploadFileResponse(flowId=flow_id, file_path=f"{folder}/{file_name}")
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@ -61,7 +60,7 @@ async def download_file(file_name: str, flow_id: str, storage_service: StorageSe
if not content_type:
raise HTTPException(status_code=500, detail=f"Content type not found for extension {extension}")
file_content = storage_service.get_file(flow_id=flow_id, file_name=file_name)
file_content = await storage_service.get_file(flow_id=flow_id, file_name=file_name)
headers = {
"Content-Disposition": f"attachment; filename={file_name} filename*=UTF-8''{file_name}",
"Content-Type": "application/octet-stream",
@ -87,7 +86,7 @@ async def download_image(file_name: str, flow_id: str, storage_service: StorageS
elif not content_type.startswith("image"):
raise HTTPException(status_code=500, detail=f"Content type {content_type} is not an image")
file_content = storage_service.get_file(flow_id=flow_id, file_name=file_name)
file_content = await storage_service.get_file(flow_id=flow_id, file_name=file_name)
return StreamingResponse(BytesIO(file_content), media_type=content_type)
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@ -98,7 +97,7 @@ async def list_files(
flow_id: str = Depends(get_flow_id), storage_service: StorageService = Depends(get_storage_service)
):
try:
files = storage_service.list_files(flow_id=flow_id)
files = await storage_service.list_files(flow_id=flow_id)
return {"files": files}
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@ -109,7 +108,7 @@ async def delete_file(
file_name: str, flow_id: str = Depends(get_flow_id), storage_service: StorageService = Depends(get_storage_service)
):
try:
storage_service.delete_file(flow_id=flow_id, file_name=file_name)
await storage_service.delete_file(flow_id=flow_id, file_name=file_name)
return {"message": f"File {file_name} deleted successfully"}
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))