From 30ff0afd5d76a3a5aa48058210ae411253574ada Mon Sep 17 00:00:00 2001
From: zhaoqingang <zhaoqg0118@163.com>
Date: 星期四, 13 三月 2025 14:55:30 +0800
Subject: [PATCH] 增加文件多轮问答

---
 app/api/v2/public_api.py |   76 +++++++++++++++++++++++++++++++++++--
 1 files changed, 71 insertions(+), 5 deletions(-)

diff --git a/app/api/v2/public_api.py b/app/api/v2/public_api.py
index 98aba70..c86b787 100644
--- a/app/api/v2/public_api.py
+++ b/app/api/v2/public_api.py
@@ -1,19 +1,26 @@
 import json
+import uuid
 
-from fastapi import APIRouter, Depends
 from fastapi.responses import JSONResponse
+from starlette.responses import StreamingResponse
+
 from Log import logger
-from app.api import Response
+from app.api import Response, token_required
 
 from app.config.const import IMAGE_TO_TEXT, DOCUMENT_TO_CLEANING, DOCUMENT_TO_REPORT, DIFY, BISHENG, RAGFLOW, \
     DOCUMENT_IA_QUESTIONS, DOCUMENT_TO_REPORT_TITLE, DOCUMENT_TO_TITLE, DOCUMENT_TO_PAPER, \
-    DOCUMENT_IA_QUESTIONS_EQUIPMENT
-
-from app.models.base_model import get_db
+    DOCUMENT_IA_QUESTIONS_EQUIPMENT, dialog_chat, workflow_chat, advanced_chat, agent_chat, base_chat
 from app.models.public_api_model import DfToken
 from app.service.v2.api_token import DfTokenDao
 from app.service.v2.initialize_data import dialog_menu_sync, create_menu_sync, user_update_app
 from app.task.sync_resources import sync_knowledge, sync_dialog, sync_agent, sync_llm, sync_resource
+from fastapi import Depends, APIRouter, File, UploadFile
+from sqlalchemy.orm import Session
+from app.config.const import smart_message_error, http_400, http_500, http_200, complex_dialog_chat
+from app.models import UserModel
+from app.models.base_model import get_db
+from app.models.v2.session_model import ChatData
+from app.service.v2.chat import service_chat_dialog, get_chat_info, service_chat_sessions, service_chat_workflow
 
 public_api = APIRouter()
 
@@ -94,3 +101,62 @@
         return Response(code=500, msg=str(e), data={})
 
     return Response(code=200, msg="success", data={})
+
+
+@public_api.post("/chat/{chatId}/completions")
+async def api_chat_dialog(chatId:str, dialog: ChatData, current_user: UserModel = Depends(token_required),db: Session = Depends(get_db)): #  current_user: UserModel = Depends(get_current_user)
+    chat_info = await get_chat_info(db, chatId)
+    if not chat_info:
+        error_msg = json.dumps(
+            {"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
+        return StreamingResponse(f"data: {error_msg}\n\n",
+                                 media_type="text/event-stream")
+    if chat_info.mode == dialog_chat:
+
+        session_id = dialog.sessionId
+        if not dialog.query:
+            error_msg = json.dumps(
+                {"message": smart_message_error, "error": "\n**ERROR**: question cannot be empty.", "status": http_400})
+            return StreamingResponse(f"data: {error_msg}\n\n",
+                                     media_type="text/event-stream")
+        if not session_id:
+            session = await service_chat_sessions(db, chatId, dialog.query)
+            # 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),
+                                 media_type="text/event-stream")
+    elif chat_info.mode == workflow_chat:
+        chat_info = await get_chat_info(db, chatId)
+        if not chat_info:
+            error_msg = json.dumps(
+                {"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
+            return StreamingResponse(f"data: {error_msg}\n\n",
+                                     media_type="text/event-stream")
+        session_id = dialog.sessionId
+        if not session_id:
+            session_id = str(uuid.uuid4()).replace("-", "")
+        return StreamingResponse(service_chat_workflow(db, chatId, dialog, session_id, current_user.id, chat_info.mode),
+                                 media_type="text/event-stream")
+
+    elif chat_info.mode == advanced_chat or chat_info.mode == agent_chat or chat_info.mode == base_chat:
+        chat_info = await get_chat_info(db, chatId)
+        if not chat_info:
+            error_msg = json.dumps(
+                {"message": smart_message_error, "error": "\n**ERROR**: parameter exception", "status": http_400})
+            return StreamingResponse(f"data: {error_msg}\n\n",
+                                     media_type="text/event-stream")
+        session_id = dialog.sessionId
+        if not session_id:
+            session_id = str(uuid.uuid4()).replace("-", "")
+        return StreamingResponse(service_chat_workflow(db, chatId, dialog, session_id, current_user.id, chat_info.mode),
+                                 media_type="text/event-stream")
+    else:
+        error_msg = json.dumps(
+            {"message": smart_message_error, "error": "\n**ERROR**: unknown chat", "status": http_400})
+        return StreamingResponse(f"data: {error_msg}\n\n",
+                                 media_type="text/event-stream")

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