zhaoqingang
2025-04-08 0650b889a36d9b9fd42415b9b9819676f839ae9b
app/api/v2/chat.py
@@ -1,22 +1,21 @@
import json
import uuid
from typing import List
from typing import List
from fastapi import Depends, APIRouter, File, UploadFile
from sqlalchemy.orm import Session
from starlette.responses import StreamingResponse, Response
from werkzeug.http import HTTP_STATUS_CODES
from app.api import get_current_user, get_api_key
from app.config.const import dialog_chat, advanced_chat, base_chat, agent_chat, workflow_chat, basic_chat, \
    smart_message_error, http_400, http_500, http_200
from app.config.const import smart_message_error, http_400, http_500, http_200, complex_dialog_chat, \
    complex_knowledge_chat_deep, complex_knowledge_chat
from app.models import UserModel
from app.models.base_model import get_db
from app.models.v2.chat import RetrievalRequest
from app.models.v2.chat import RetrievalRequest, ChatDataRequest, ComplexChatDao, SetModelRequest
from app.models.v2.session_model import ChatData
from app.service.v2.chat import service_chat_dialog, get_chat_info, service_chat_basic, \
    service_chat_workflow, service_chat_parameters, service_chat_sessions, service_chat_upload, \
    service_chat_sessions_list, service_chat_session_log, service_chunk_retrieval, service_base_chunk_retrieval
    service_chat_sessions_list, service_chat_session_log, service_chunk_retrieval, service_complex_chat, \
    service_complex_upload, service_complex_model, service_get_complex_model
chat_router_v2 = APIRouter()
@@ -37,14 +36,14 @@
                                 media_type="text/event-stream")
    if not session_id:
        session = await service_chat_sessions(db, chatId, dialog.query)
        print(session)
        # print(session)
        if not session or session.get("code") != 0:
            error_msg = json.dumps(
                {"message": smart_message_error, "error": "\n**ERROR**: chat agent error", "status": http_500})
            return StreamingResponse(f"data: {error_msg}\n\n",
                                     media_type="text/event-stream")
        session_id = session.get("data", {}).get("id")
    return StreamingResponse(service_chat_dialog(db, chatId, dialog.query, session_id, current_user.id, chat_info.mode),
    return StreamingResponse(service_chat_dialog(db, chatId, dialog.query, session_id, current_user.id, chat_info.mode, chat_info.get_kb_ids()),
                             media_type="text/event-stream")
@chat_router_v2.post("/agent/{chatId}/completions")
@@ -77,7 +76,7 @@
                             media_type="text/event-stream")
@chat_router_v2.post("/complex/{chatId}/completions")
@chat_router_v2.post("/develop/{chatId}/completions")
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)
    chat_info = await get_chat_info(db, chatId)
    if not chat_info:
@@ -128,16 +127,61 @@
    return Response(data, media_type="application/json", status_code=http_200)
# @chat_router_v2.post("/conversation/mindmap")
# async def api_conversation_mindmap(chatId:str, current:int=1, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): #  current_user: UserModel = Depends(get_current_user)
#     data = await service_chat_sessions_list(db, chatId, current, pageSize, current_user.id, keyword)
#     return Response(data, media_type="application/json", status_code=http_200)
@chat_router_v2.post("/retrieval")
async def retrieve_chunks(request_data: RetrievalRequest, api_key: str = Depends(get_api_key)):
    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)
    return {"records": records}
@chat_router_v2.post("/complex/chat/completions")
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)
    # chat_mode = chat.chatMode
    if chat.isDeep == 2 and chat.chatMode == complex_knowledge_chat:
        chat.chatMode = complex_knowledge_chat_deep
    complex_chat = await ComplexChatDao(db).get_complex_chat_by_mode(chat.chatMode)
    if complex_chat:
        if not chat.sessionId:
            chat.sessionId = str(uuid.uuid4()).replace("-", "")
        return StreamingResponse(service_complex_chat(db, complex_chat.id, complex_chat.mode, current_user.id, chat),
                                 media_type="text/event-stream")
    else:
        error_msg = json.dumps(
            {"message": smart_message_error, "error": "\n**ERROR**: 网络异常,无法生成对话结果!", "status": http_500})
        return StreamingResponse(f"data: {error_msg}\n\n",
                                 media_type="text/event-stream")
@chat_router_v2.post("/complex/upload/{chatMode}")
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)
    status_code = http_200
    complex_chat = await ComplexChatDao(db).get_complex_chat_by_mode(chatMode)
    if complex_chat:
        data = await service_complex_upload(db, complex_chat.id, file, current_user.id)
        if not data:
            status_code = http_400
            data = "{}"
    else:
        status_code = http_500
        data = "{}"
    return Response(data, media_type="application/json", status_code=status_code)
@chat_router_v2.put("/complex/model")
async def api_complex_model(chatModel:SetModelRequest, current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): #  current_user: UserModel = Depends(get_current_user)
    status_code = http_200
    data = await service_complex_model(db, chatModel.chatType, chatModel.modelType, chatModel.modelName, chatModel.modelProvider)
    if data:
        status_code = http_500
    return Response(data, media_type="application/json", status_code=status_code)
@chat_router_v2.get("/complex/model")
async def api_get_complex_model(current_user: UserModel = Depends(get_current_user), db: Session = Depends(get_db)): #  current_user: UserModel = Depends(get_current_user)
    status_code = http_200
    data = await service_get_complex_model(db)
    if data:
        status_code = http_500
    return Response(data, media_type="application/json", status_code=status_code)