Files
data-ge/app/routers/chat.py
2025-12-08 23:15:04 +08:00

103 lines
3.1 KiB
Python

from __future__ import annotations
from datetime import datetime
from typing import Any, List, Optional
from fastapi import APIRouter, HTTPException, Query
from app.schemas.chat import (
ChatSessionCreate,
ChatSessionUpdate,
ChatTurnCreate,
ChatTurnRetrievalBatch,
)
from app.services import metric_store
router = APIRouter(prefix="/api/v1/chat", tags=["chat"])
@router.post("/sessions")
def create_session(payload: ChatSessionCreate) -> Any:
"""Create a chat session."""
return metric_store.create_chat_session(payload)
@router.post("/sessions/{session_id}/update")
def update_session(session_id: int, payload: ChatSessionUpdate) -> Any:
try:
return metric_store.update_chat_session(session_id, payload)
except KeyError:
raise HTTPException(status_code=404, detail="Session not found")
@router.post("/sessions/{session_id}/close")
def close_session(session_id: int) -> Any:
"""Close a chat session and stamp end_time."""
try:
return metric_store.close_chat_session(session_id)
except KeyError:
raise HTTPException(status_code=404, detail="Session not found")
@router.get("/sessions/{session_id}")
def get_session(session_id: int) -> Any:
"""Fetch one session."""
session = metric_store.get_chat_session(session_id)
if not session:
raise HTTPException(status_code=404, detail="Session not found")
return session
@router.get("/sessions")
def list_sessions(
user_id: Optional[int] = None,
status: Optional[str] = None,
start_from: Optional[datetime] = Query(None, description="Filter by start time lower bound."),
start_to: Optional[datetime] = Query(None, description="Filter by start time upper bound."),
limit: int = Query(50, ge=1, le=500),
offset: int = Query(0, ge=0),
) -> List[Any]:
return metric_store.list_chat_sessions(
user_id=user_id,
status=status,
start_from=start_from,
start_to=start_to,
limit=limit,
offset=offset,
)
@router.post("/sessions/{session_id}/turns")
def create_turn(session_id: int, payload: ChatTurnCreate) -> Any:
"""Create a turn under a session."""
try:
return metric_store.create_chat_turn(session_id, payload)
except Exception as exc:
raise HTTPException(status_code=400, detail=str(exc)) from exc
@router.get("/sessions/{session_id}/turns")
def list_turns(session_id: int) -> List[Any]:
return metric_store.list_chat_turns(session_id)
@router.get("/turns/{turn_id}")
def get_turn(turn_id: int) -> Any:
turn = metric_store.get_chat_turn(turn_id)
if not turn:
raise HTTPException(status_code=404, detail="Turn not found")
return turn
@router.post("/turns/{turn_id}/retrievals")
def write_retrievals(turn_id: int, payload: ChatTurnRetrievalBatch) -> Any:
"""Batch write retrieval records for a turn."""
count = metric_store.create_retrievals(turn_id, payload.retrievals)
return {"turn_id": turn_id, "inserted": count}
@router.get("/turns/{turn_id}/retrievals")
def list_retrievals(turn_id: int) -> List[Any]:
return metric_store.list_retrievals(turn_id)