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scud_ai/modules/web_api/routers/chat.py
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"""
===============================================================================
FILE: modules/web_api/routers/chat.py
PROJECT: SCUD Orion AI (Unified Architecture)
MODULE: web_api / routers
ROLE: Маршрутизация диалогов с LLM и эндпоинт сохранения онлайн-черновиков.
===============================================================================
"""
# ANCHOR[CHAT_ROUTER_IMPORTS]
from typing import Optional, Dict, Any
from fastapi import APIRouter, Depends, UploadFile, File, Form, HTTPException
from pydantic import BaseModel
from .auth import get_current_user
from llm.agent import process_chat_message
from llm.file_parser import extract_text_from_file
from llm.db_tools import db_set_session_state, db_get_session_state
router = APIRouter(prefix="/api/v1/chat", tags=["chat"])
# ANCHOR[DRAFT_SCHEMA]
class UpdateDraftRequest(BaseModel):
session_id: str
draft_text: str
# ANCHOR[CHAT_ENDPOINTS]
@router.post("")
async def chat_endpoint(
session_id: str = Form("web_session_main"),
message: str = Form(""),
file: Optional[UploadFile] = File(default=None),
current_user: Dict[str, Any] = Depends(get_current_user)
):
"""Диалог авторизованного пользователя с агентом."""
parsed_file = {"text": "", "image_b64": None}
if file and file.filename:
file_bytes = await file.read()
parsed_file = extract_text_from_file(file_bytes, file.filename)
reply, history, action_type = process_chat_message(
user_id=current_user["id"],
user_message=message,
file_context=parsed_file["text"],
image_b64=parsed_file["image_b64"],
session_id=session_id
)
return {"reply": reply, "history": history, "action_type": action_type}
@router.post("/guest")
async def guest_chat_endpoint(
session_id: str = Form("web_session_main"),
message: str = Form(""),
file: Optional[UploadFile] = File(default=None)
):
"""Гостевой диалог (user_id=0)."""
parsed_file = {"text": "", "image_b64": None}
if file and file.filename:
file_bytes = await file.read()
parsed_file = extract_text_from_file(file_bytes, file.filename)
reply, history, action_type = process_chat_message(
user_id=0,
user_message=message,
file_context=parsed_file["text"],
image_b64=parsed_file["image_b64"],
session_id=session_id
)
return {"reply": reply, "history": history, "action_type": action_type}
@router.post("/draft")
def update_draft_endpoint(
req: UpdateDraftRequest,
current_user: Dict[str, Any] = Depends(get_current_user)
):
"""Обновляет черновик системного промпта напрямую из интерактивной онлайн-формы."""
state = db_get_session_state(req.session_id)
if not state or state.get("state_type") != "PROMPT_PREVIEW":
raise HTTPException(status_code=400, detail="Нет активного превью для редактирования")
db_set_session_state(req.session_id, "PROMPT_PREVIEW", {"draft_text": req.draft_text.strip()})
return {"status": "success", "message": "Черновик успешно обновлен в сессии"}