mirror of
https://github.com/leonvanzyl/autocoder.git
synced 2026-01-30 14:22:04 +00:00
277 lines
10 KiB
Python
277 lines
10 KiB
Python
"""
|
|
Spec Creation Router
|
|
====================
|
|
|
|
WebSocket and REST endpoints for interactive spec creation with Claude.
|
|
"""
|
|
|
|
import asyncio
|
|
import json
|
|
import logging
|
|
import re
|
|
from pathlib import Path
|
|
from typing import Any, Optional
|
|
|
|
from fastapi import APIRouter, WebSocket, WebSocketDisconnect, HTTPException
|
|
from pydantic import BaseModel
|
|
|
|
from ..services.spec_chat_session import (
|
|
SpecChatSession,
|
|
get_session,
|
|
create_session,
|
|
remove_session,
|
|
list_sessions,
|
|
)
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
router = APIRouter(prefix="/api/spec", tags=["spec-creation"])
|
|
|
|
# Root directory
|
|
ROOT_DIR = Path(__file__).parent.parent.parent
|
|
|
|
|
|
def validate_project_name(name: str) -> bool:
|
|
"""Validate project name to prevent path traversal."""
|
|
return bool(re.match(r'^[a-zA-Z0-9_-]{1,50}$', name))
|
|
|
|
|
|
# ============================================================================
|
|
# REST Endpoints
|
|
# ============================================================================
|
|
|
|
class SpecSessionStatus(BaseModel):
|
|
"""Status of a spec creation session."""
|
|
project_name: str
|
|
is_active: bool
|
|
is_complete: bool
|
|
message_count: int
|
|
|
|
|
|
@router.get("/sessions", response_model=list[str])
|
|
async def list_spec_sessions():
|
|
"""List all active spec creation sessions."""
|
|
return list_sessions()
|
|
|
|
|
|
@router.get("/sessions/{project_name}", response_model=SpecSessionStatus)
|
|
async def get_session_status(project_name: str):
|
|
"""Get status of a spec creation session."""
|
|
if not validate_project_name(project_name):
|
|
raise HTTPException(status_code=400, detail="Invalid project name")
|
|
|
|
session = get_session(project_name)
|
|
if not session:
|
|
raise HTTPException(status_code=404, detail="No active session for this project")
|
|
|
|
return SpecSessionStatus(
|
|
project_name=project_name,
|
|
is_active=True,
|
|
is_complete=session.is_complete(),
|
|
message_count=len(session.get_messages()),
|
|
)
|
|
|
|
|
|
@router.delete("/sessions/{project_name}")
|
|
async def cancel_session(project_name: str):
|
|
"""Cancel and remove a spec creation session."""
|
|
if not validate_project_name(project_name):
|
|
raise HTTPException(status_code=400, detail="Invalid project name")
|
|
|
|
session = get_session(project_name)
|
|
if not session:
|
|
raise HTTPException(status_code=404, detail="No active session for this project")
|
|
|
|
await remove_session(project_name)
|
|
return {"success": True, "message": "Session cancelled"}
|
|
|
|
|
|
# ============================================================================
|
|
# WebSocket Endpoint
|
|
# ============================================================================
|
|
|
|
@router.websocket("/ws/{project_name}")
|
|
async def spec_chat_websocket(websocket: WebSocket, project_name: str):
|
|
"""
|
|
WebSocket endpoint for interactive spec creation chat.
|
|
|
|
Message protocol:
|
|
|
|
Client -> Server:
|
|
- {"type": "start"} - Start the spec creation session
|
|
- {"type": "message", "content": "..."} - Send user message
|
|
- {"type": "answer", "answers": {...}, "tool_id": "..."} - Answer structured question
|
|
- {"type": "ping"} - Keep-alive ping
|
|
|
|
Server -> Client:
|
|
- {"type": "text", "content": "..."} - Text chunk from Claude
|
|
- {"type": "question", "questions": [...], "tool_id": "..."} - Structured question
|
|
- {"type": "spec_complete", "path": "..."} - Spec file created
|
|
- {"type": "file_written", "path": "..."} - Other file written
|
|
- {"type": "complete"} - Session complete
|
|
- {"type": "error", "content": "..."} - Error message
|
|
- {"type": "pong"} - Keep-alive pong
|
|
"""
|
|
if not validate_project_name(project_name):
|
|
await websocket.close(code=4000, reason="Invalid project name")
|
|
return
|
|
|
|
await websocket.accept()
|
|
|
|
session: Optional[SpecChatSession] = None
|
|
|
|
try:
|
|
while True:
|
|
try:
|
|
# Receive message from client
|
|
data = await websocket.receive_text()
|
|
message = json.loads(data)
|
|
msg_type = message.get("type")
|
|
|
|
if msg_type == "ping":
|
|
await websocket.send_json({"type": "pong"})
|
|
continue
|
|
|
|
elif msg_type == "start":
|
|
# Create and start a new session
|
|
session = await create_session(project_name)
|
|
|
|
# Track spec completion state
|
|
spec_complete_received = False
|
|
spec_path = None
|
|
|
|
# Stream the initial greeting
|
|
async for chunk in session.start():
|
|
# Track spec_complete but don't send complete yet
|
|
if chunk.get("type") == "spec_complete":
|
|
spec_complete_received = True
|
|
spec_path = chunk.get("path")
|
|
await websocket.send_json(chunk)
|
|
continue
|
|
|
|
# When response_done arrives, send complete if spec was done
|
|
if chunk.get("type") == "response_done":
|
|
await websocket.send_json(chunk)
|
|
if spec_complete_received:
|
|
await websocket.send_json({"type": "complete", "path": spec_path})
|
|
continue
|
|
|
|
await websocket.send_json(chunk)
|
|
|
|
elif msg_type == "message":
|
|
# User sent a message
|
|
if not session:
|
|
session = get_session(project_name)
|
|
if not session:
|
|
await websocket.send_json({
|
|
"type": "error",
|
|
"content": "No active session. Send 'start' first."
|
|
})
|
|
continue
|
|
|
|
user_content = message.get("content", "").strip()
|
|
if not user_content:
|
|
await websocket.send_json({
|
|
"type": "error",
|
|
"content": "Empty message"
|
|
})
|
|
continue
|
|
|
|
# Track spec completion state
|
|
spec_complete_received = False
|
|
spec_path = None
|
|
|
|
# Stream Claude's response
|
|
async for chunk in session.send_message(user_content):
|
|
# Track spec_complete but don't send complete yet
|
|
if chunk.get("type") == "spec_complete":
|
|
spec_complete_received = True
|
|
spec_path = chunk.get("path")
|
|
await websocket.send_json(chunk)
|
|
continue
|
|
|
|
# When response_done arrives, send complete if spec was done
|
|
if chunk.get("type") == "response_done":
|
|
await websocket.send_json(chunk)
|
|
if spec_complete_received:
|
|
await websocket.send_json({"type": "complete", "path": spec_path})
|
|
continue
|
|
|
|
await websocket.send_json(chunk)
|
|
|
|
elif msg_type == "answer":
|
|
# User answered a structured question
|
|
if not session:
|
|
session = get_session(project_name)
|
|
if not session:
|
|
await websocket.send_json({
|
|
"type": "error",
|
|
"content": "No active session"
|
|
})
|
|
continue
|
|
|
|
# Format the answers as a natural response
|
|
answers = message.get("answers", {})
|
|
if isinstance(answers, dict):
|
|
# Convert structured answers to a message
|
|
response_parts = []
|
|
for question_idx, answer_value in answers.items():
|
|
if isinstance(answer_value, list):
|
|
response_parts.append(", ".join(answer_value))
|
|
else:
|
|
response_parts.append(str(answer_value))
|
|
user_response = "; ".join(response_parts) if response_parts else "OK"
|
|
else:
|
|
user_response = str(answers)
|
|
|
|
# Track spec completion state
|
|
spec_complete_received = False
|
|
spec_path = None
|
|
|
|
# Stream Claude's response
|
|
async for chunk in session.send_message(user_response):
|
|
# Track spec_complete but don't send complete yet
|
|
if chunk.get("type") == "spec_complete":
|
|
spec_complete_received = True
|
|
spec_path = chunk.get("path")
|
|
await websocket.send_json(chunk)
|
|
continue
|
|
|
|
# When response_done arrives, send complete if spec was done
|
|
if chunk.get("type") == "response_done":
|
|
await websocket.send_json(chunk)
|
|
if spec_complete_received:
|
|
await websocket.send_json({"type": "complete", "path": spec_path})
|
|
continue
|
|
|
|
await websocket.send_json(chunk)
|
|
|
|
else:
|
|
await websocket.send_json({
|
|
"type": "error",
|
|
"content": f"Unknown message type: {msg_type}"
|
|
})
|
|
|
|
except json.JSONDecodeError:
|
|
await websocket.send_json({
|
|
"type": "error",
|
|
"content": "Invalid JSON"
|
|
})
|
|
|
|
except WebSocketDisconnect:
|
|
logger.info(f"Spec chat WebSocket disconnected for {project_name}")
|
|
|
|
except Exception as e:
|
|
logger.exception(f"Spec chat WebSocket error for {project_name}")
|
|
try:
|
|
await websocket.send_json({
|
|
"type": "error",
|
|
"content": f"Server error: {str(e)}"
|
|
})
|
|
except Exception:
|
|
pass
|
|
|
|
finally:
|
|
# Don't remove the session on disconnect - allow resume
|
|
pass
|