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@@ -1,5 +1,10 @@
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-from fastapi import Depends, APIRouter, HTTPException, UploadFile, File, requests, Query
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+from typing import Optional
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+
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+import requests
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+from fastapi import Depends, APIRouter, HTTPException, UploadFile, File, Query
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+from pydantic import BaseModel
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from sqlalchemy.orm import Session
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+from starlette.responses import StreamingResponse
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from app.api import Response, get_current_user, ResponseList
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from app.config.config import settings
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@@ -9,6 +14,7 @@ from app.models.user_model import UserModel
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from app.service.bisheng import BishengService
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from app.service.ragflow import RagflowService
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from app.service.token import get_ragflow_token, get_bisheng_token
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+import urllib.parse
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router = APIRouter()
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@@ -55,3 +61,44 @@ async def upload_file(agent_id: str,
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else:
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return Response(code=200, msg="Unsupported agent type")
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+
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+
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+@router.get("/download/", response_model=Response)
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+async def download_file(
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+ url: Optional[str] = Query(None, description="URL of the file to download for bisheng"),
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+ agent_id: str = Query(..., description="Agent ID"),
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+ doc_id: Optional[str] = Query(None, description="Optional doc id for ragflow agents"),
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+ doc_name: Optional[str] = Query(None, description="Optional doc name for ragflow agents"),
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+ db: Session = Depends(get_db)
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+):
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+ agent = db.query(AgentModel).filter(AgentModel.id == agent_id).first()
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+ if not agent:
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+ return Response(code=404, msg="Agent not found")
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+
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+ if agent.agent_type == AgentType.BISHENG:
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+ url = urllib.parse.unquote(url)
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+ # 从 URL 中提取文件名
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+ parsed_url = urllib.parse.urlparse(url)
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+ filename = urllib.parse.unquote(parsed_url.path.split('/')[-1])
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+ url = url.replace("http://minio:9000", settings.bisheng_base_url)
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+ elif agent.agent_type == AgentType.RAGFLOW:
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+ if not doc_id:
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+ return Response(code=400, msg="doc_id is required")
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+ url = f"{settings.ragflow_base_url}/v1/document/get/{doc_id}"
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+ filename = doc_name
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+ else:
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+ return Response(code=400, msg="Unsupported agent type")
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+
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+ try:
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+ # 发送GET请求获取文件内容
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+ response = requests.get(url, stream=True)
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+ response.raise_for_status() # 检查请求是否成功
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+
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+ # 返回流式响应
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+ return StreamingResponse(
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+ response.iter_content(chunk_size=1024),
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+ media_type="application/octet-stream",
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+ headers={"Content-Disposition": f"attachment; filename*=utf-8''{urllib.parse.quote(filename)}"}
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+ )
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+ except Exception as e:
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+ raise HTTPException(status_code=400, detail=f"Error downloading file: {e}")
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