import json
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import uuid
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from typing import List
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from fastapi import Depends, APIRouter, File, UploadFile
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from sqlalchemy.orm import Session
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from starlette.responses import StreamingResponse, Response
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from app.api import get_current_user, get_api_key
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from app.config.const import smart_message_error, http_400, http_500, http_200, complex_dialog_chat
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from app.models import UserModel
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from app.models.base_model import get_db
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from app.models.v2.chat import RetrievalRequest, ChatDataRequest, ComplexChatDao
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from app.models.v2.session_model import ChatData
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from app.service.v2.chat import service_chat_dialog, get_chat_info, service_chat_basic, \
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service_chat_workflow, service_chat_parameters, service_chat_sessions, service_chat_upload, \
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service_chat_sessions_list, service_chat_session_log, service_chunk_retrieval, service_complex_chat, \
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service_complex_upload
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chat_router_v2 = APIRouter()
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# 对话
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@chat_router_v2.post("/chat/{chatId}/completions")
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async def api_chat_dialog(chatId:str, dialog: ChatData, current_user: UserModel = Depends(get_current_user),db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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chat_info = await get_chat_info(db, chatId)
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if not chat_info:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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session_id = dialog.sessionId
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if not dialog.query:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: question cannot be empty.", "status": http_400})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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if not session_id:
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session = await service_chat_sessions(db, chatId, dialog.query)
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# print(session)
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if not session or session.get("code") != 0:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: chat agent error", "status": http_500})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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session_id = session.get("data", {}).get("id")
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return StreamingResponse(service_chat_dialog(db, chatId, dialog.query, session_id, current_user.id, chat_info.mode, chat_info.get_kb_ids()),
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media_type="text/event-stream")
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@chat_router_v2.post("/agent/{chatId}/completions")
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async def api_chat_dialog(chatId:str, dialog: ChatData, current_user: UserModel = Depends(get_current_user),db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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chat_info = await get_chat_info(db, chatId)
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if not chat_info:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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session_id = dialog.sessionId
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if not session_id:
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session_id = str(uuid.uuid4()).replace("-", "")
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return StreamingResponse(service_chat_workflow(db, chatId, dialog, session_id, current_user.id, chat_info.mode),
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media_type="text/event-stream")
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@chat_router_v2.post("/workflow/{chatId}/completions")
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async def api_chat_dialog(chatId:str, dialog: ChatData, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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chat_info = await get_chat_info(db, chatId)
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if not chat_info:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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session_id = dialog.sessionId
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if not session_id:
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session_id = str(uuid.uuid4()).replace("-", "")
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return StreamingResponse(service_chat_workflow(db, chatId, dialog, session_id, current_user.id, chat_info.mode),
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media_type="text/event-stream")
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@chat_router_v2.post("/develop/{chatId}/completions")
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async def api_chat_dialog(chatId:str, dialog: ChatData, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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chat_info = await get_chat_info(db, chatId)
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if not chat_info:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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session_id = dialog.sessionId
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if not session_id:
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session_id = str(uuid.uuid4()).replace("-", "")
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return StreamingResponse(service_chat_basic(db, chatId, dialog, session_id, current_user.id, chat_info.mode),
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media_type="text/event-stream")
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@chat_router_v2.get("/chat/{chatId}/parameters")
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async def api_chat_parameters(chatId:str, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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status_code = http_200
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data = await service_chat_parameters(db, chatId, current_user.id)
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if not data:
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status_code = http_400
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data = json.dumps({"code": http_400})
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return Response(data, media_type="application/json", status_code=status_code)
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@chat_router_v2.post("/{chatId}/upload")
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async def api_chat_upload(chatId:str, file: List[UploadFile] = File(...), current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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status_code = http_200
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data = await service_chat_upload(db, chatId, file, current_user.id)
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if not data:
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status_code = http_400
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data = "{}"
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return Response(data, media_type="application/json", status_code=status_code)
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@chat_router_v2.get("/chat/sessions")
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async def api_chat_sessions(chatId:str, current:int=1, pageSize:int=100, keyword:str="", current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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data = await service_chat_sessions_list(db, chatId, current, pageSize, current_user.id, keyword)
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return Response(data, media_type="application/json", status_code=http_200)
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@chat_router_v2.get("/chat/session_log")
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async def api_chat_sessions(sessionId:str, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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data = await service_chat_session_log(db, sessionId)
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return Response(data, media_type="application/json", status_code=http_200)
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@chat_router_v2.post("/retrieval")
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async def retrieve_chunks(request_data: RetrievalRequest, api_key: str = Depends(get_api_key)):
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records = await service_chunk_retrieval(request_data.query, request_data.knowledge_id, request_data.retrieval_setting.top_k, request_data.retrieval_setting.score_threshold, api_key)
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return {"records": records}
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@chat_router_v2.post("/complex/chat/completions")
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async def api_complex_chat_completions(chat: ChatDataRequest, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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complex_chat = await ComplexChatDao(db).get_complex_chat_by_mode(chat.chatMode)
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if complex_chat:
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if not chat.sessionId:
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chat.sessionId = str(uuid.uuid4()).replace("-", "")
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return StreamingResponse(service_complex_chat(db, complex_chat.id, complex_chat.mode, current_user.id, chat),
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media_type="text/event-stream")
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else:
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error_msg = json.dumps(
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{"message": smart_message_error, "error": "\n**ERROR**: 网络异常，无法生成对话结果！", "status": http_500})
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return StreamingResponse(f"data: {error_msg}\n\n",
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media_type="text/event-stream")
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@chat_router_v2.post("/complex/upload/{chatMode}")
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async def api_complex_upload(chatMode:int, file: List[UploadFile] = File(...), current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): # current_user: UserModel = Depends(get_current_user)
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status_code = http_200
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complex_chat = await ComplexChatDao(db).get_complex_chat_by_mode(chatMode)
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if complex_chat:
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data = await service_complex_upload(db, complex_chat.id, file, current_user.id)
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if not data:
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status_code = http_400
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data = "{}"
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else:
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status_code = http_500
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data = "{}"
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return Response(data, media_type="application/json", status_code=status_code)
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