mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-06-29 00:06:27 +08:00
1860 lines
65 KiB
Python
1860 lines
65 KiB
Python
import asyncio
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import copy
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import hashlib
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import json
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import mimetypes
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import shutil
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import subprocess
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import time
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import uuid
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from queue import Empty, Queue
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from pathlib import Path
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from threading import Lock
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from typing import Any, AsyncIterator, Callable, Optional, Union
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from fastapi import APIRouter, Depends, File, Form, HTTPException, Request, UploadFile, status
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from fastapi.concurrency import run_in_threadpool
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from fastapi.responses import FileResponse, StreamingResponse
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from sqlalchemy.ext.asyncio import AsyncSession
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from app import schemas
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from app.agent import MoviePilotAgent, ReplyMode, StreamingHandler, agent_manager
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from app.agent.llm.capability import AgentCapabilityManager
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from app.chain.message import MessageChain
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from app.chain.site import site_interaction_manager
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from app.chain.skills import skills_interaction_manager
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from app.chain.subscribe import subscribe_interaction_manager
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from app.command import Command
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from app.core.config import global_vars, settings
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from app.core.event import Event, EventManager
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from app.db import get_async_db
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from app.db.agentchat_oper import AgentChatOper
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from app.db.models import User
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from app.db.models.agentchat import AgentChat
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from app.db.user_oper import UserOper, get_current_active_user
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from app.helper.agent import attach_web_agent_edit_queue, detach_web_agent_edit_queue
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from app.helper.interaction import agent_interaction_manager, media_interaction_manager
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from app.log import logger
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from app.schemas.types import EventType, MessageChannel
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router = APIRouter()
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WEB_AGENT_SESSION_PREFIX = "web-agent:"
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WEB_AGENT_SOURCE = "web-agent"
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WEB_AGENT_FILE_TTL_SECONDS = 6 * 60 * 60
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WEB_AGENT_FILE_MAX_ITEMS = 256
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WEB_AGENT_UPLOAD_MAX_BYTES = 32 * 1024 * 1024
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WEB_AGENT_UPLOAD_CHUNK_SIZE = 1024 * 1024
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WEB_AGENT_BROWSER_AUDIO_SUFFIXES = {".aac", ".m4a", ".mp3", ".mp4", ".wav", ".wave"}
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WEB_AGENT_TRADITIONAL_IDLE_TIMEOUT_SECONDS = 2.0
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WEB_AGENT_TRADITIONAL_MAX_WAIT_SECONDS = 60.0
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_WEB_AGENT_FILE_REGISTRY: dict[str, dict[str, Any]] = {}
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_WEB_AGENT_NOTICE_QUEUES: dict[str, list[Queue[schemas.Notification]]] = {}
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_WEB_AGENT_NOTICE_LOCK = Lock()
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_WEB_AGENT_NOTICE_LISTENER_REGISTERED = False
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_WEB_AGENT_BACKGROUND_TASKS: set[asyncio.Task] = set()
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class _WebAgentStreamingHandler(StreamingHandler):
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"""
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Web 前端专用流式处理器，将工具提示和文本统一回调给 SSE。
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"""
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def __init__(self, on_emit: Callable[[str], None]) -> None:
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super().__init__()
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self._on_emit = on_emit
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def set_emit_callback(self, on_emit: Callable[[str], None]) -> None:
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"""
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更新流式输出回调，复用 WebAgent 实例时指向当前 SSE 请求。
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:param on_emit: 当前请求的输出回调
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"""
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self._on_emit = on_emit
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def emit(self, token: str) -> str:
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"""追加 token 并同步通知 SSE 生产者。"""
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emitted = super().emit(token)
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if emitted:
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self._on_emit(emitted)
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return emitted
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def flush_pending_tool_summary(self) -> str:
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"""输出延迟聚合的工具摘要。"""
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emitted = super().flush_pending_tool_summary()
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if emitted:
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self._on_emit(emitted)
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return ""
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async def start_streaming(
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self,
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channel: Optional[str] = None,
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source: Optional[str] = None,
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user_id: Optional[str] = None,
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username: Optional[str] = None,
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original_message_id: Optional[str] = None,
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original_chat_id: Optional[str] = None,
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title: str = "",
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) -> None:
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"""Web SSE 自身负责外发，不启动消息模块编辑循环。"""
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self._channel = channel
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self._source = source
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self._user_id = user_id
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self._username = username
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self._original_message_id = original_message_id
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self._original_chat_id = original_chat_id
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self._title = title
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self._streaming_enabled = True
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self._sent_text = ""
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self._message_response = None
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self._msg_start_offset = 0
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self._pending_tool_stats = {}
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async def stop_streaming(self) -> tuple[bool, str]:
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"""停止 Web SSE 流式状态，保留缓冲区给 Agent 收口逻辑去重。"""
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if not self._streaming_enabled:
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return False, ""
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self._streaming_enabled = False
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self.flush_pending_tool_summary()
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with self._lock:
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self._sent_text = ""
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self._message_response = None
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self._msg_start_offset = 0
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self._pending_tool_stats = {}
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return False, ""
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@property
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def is_auto_flushing(self) -> bool:
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"""让工具执行提示进入缓冲区，由 SSE 回调负责外发。"""
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return True
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class _WebAgentMoviePilotAgent(MoviePilotAgent):
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"""
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Web 前端专用 Agent，强制使用流式推理。
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"""
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def __init__(
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self,
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*args: Any,
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notification_callback: Optional[Callable[[schemas.Notification], None]] = None,
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**kwargs: Any,
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) -> None:
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super().__init__(*args, **kwargs)
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self._notification_callback = notification_callback
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self.stream_handler = _WebAgentStreamingHandler(self._emit_output)
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def _should_stream(self) -> bool:
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"""Web 面板需要实时输出，即使 Web 渠道本身不支持消息编辑。"""
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return True
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def set_notification_callback(
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self,
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notification_callback: Optional[Callable[[schemas.Notification], None]],
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) -> None:
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"""
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更新 Web SSE 通知回调，复用 Agent 实例时指向当前请求队列。
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:param notification_callback: 当前请求的 Web 通知回调
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"""
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self._notification_callback = notification_callback
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def set_output_callback(self, output_callback: Optional[Callable[[str], None]]) -> None:
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"""
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更新 Web SSE 输出回调，复用 Agent 实例时指向当前请求队列。
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:param output_callback: 当前请求的输出回调
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"""
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self.output_callback = output_callback
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if output_callback and isinstance(self.stream_handler, _WebAgentStreamingHandler):
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self.stream_handler.set_emit_callback(self._emit_output)
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async def _is_system_admin_context(self) -> bool:
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"""Web Agent 根据当前登录用户 ID 判断工具管理员上下文。"""
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if not self.user_id:
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return False
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try:
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user = await UserOper().async_get_by_id(int(self.user_id))
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except (TypeError, ValueError):
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return False
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except Exception as e:
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logger.error(f"检查 Web Agent 用户管理员身份失败: {e}")
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return False
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return bool(user and user.is_superuser)
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async def _build_tool_context(self, should_dispatch_reply: bool) -> dict[str, object]:
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"""向工具上下文注入 Web SSE 通知回调。"""
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context = await super()._build_tool_context(should_dispatch_reply)
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context["notification_callback"] = self._notification_callback
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return context
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def _handle_stream_text(self, text: str) -> None:
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"""文本输出交由 Web 流式处理器统一回调，避免重复增量。"""
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self.stream_handler.emit(text)
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def _build_web_agent_session_id(user: User, session_id: Optional[str]) -> str:
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"""
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构建前端 Agent 会话 ID。
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:param user: 当前登录用户
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:param session_id: 前端传入的会话标识
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:return: 可用于 Agent 记忆隔离的服务端会话 ID
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"""
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seed = str(session_id or "").strip() or uuid.uuid4().hex
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if seed.startswith(WEB_AGENT_SESSION_PREFIX):
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return seed
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try:
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existing_chat = AgentChatOper().get(session_id=seed)
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if existing_chat and _can_access_agent_chat(existing_chat, user):
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return seed
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except Exception as e:
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logger.debug(f"读取WebAgent历史会话失败: {e}")
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user_part = user.name or str(user.id)
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digest = hashlib.sha256(f"{user_part}:{seed}".encode("utf-8")).hexdigest()
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return f"{WEB_AGENT_SESSION_PREFIX}{digest[:32]}"
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def _can_access_agent_chat(chat: AgentChat, user: User) -> bool:
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"""
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判断当前登录用户是否可以访问指定 Agent 会话。
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超级用户可查看所有渠道历史；普通用户仅能查看 user_id 或 username 匹配自己的会话。
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"""
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if not chat or not user:
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return False
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if getattr(user, "is_superuser", False):
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return True
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user_id = str(user.id)
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username = str(user.name or "")
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return chat.user_id == user_id or (bool(username) and chat.username == username)
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async def _get_accessible_agent_chat(
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oper: AgentChatOper, session_id: str, user: User
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) -> Optional[AgentChat]:
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"""
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读取当前用户可访问的 Agent 会话。
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"""
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chat = await oper.async_get(session_id=session_id)
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if not chat or not _can_access_agent_chat(chat, user):
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return None
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return chat
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def _apply_web_agent_display_event(event: dict, assistant_message: dict) -> None:
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"""
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将 WebAgent SSE 事件同步应用到服务端展示消息快照。
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"""
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event_type = event.get("type")
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if event_type == "delta":
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assistant_message["content"] += event.get("content") or ""
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elif event_type == "tool":
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for tool in assistant_message["tools"]:
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tool["status"] = "done"
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assistant_message["tools"].append(
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{
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"id": f"tool-{uuid.uuid4().hex}",
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"message": str(event.get("message") or "").strip(),
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"status": "running",
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}
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)
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elif event_type == "attachment" and event.get("attachment"):
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assistant_message["attachments"].append(event["attachment"])
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elif event_type == "choice" and event.get("choice"):
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assistant_message["choices"].append({**event["choice"], "status": "pending"})
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elif event_type == "message_update":
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target_message = event.get("target_message") or {}
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assistant_message["id"] = target_message.get("id") or assistant_message.get("id")
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assistant_message["content"] = target_message.get("content") or ""
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assistant_message["attachments"] = target_message.get("attachments") or []
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assistant_message["choices"] = target_message.get("choices") or []
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assistant_message["tools"] = target_message.get("tools") or []
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assistant_message["status"] = target_message.get("status") or "done"
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elif event_type == "error":
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assistant_message["status"] = "error"
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assistant_message["content"] = (
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assistant_message["content"]
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or event.get("message")
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or "智能助手响应失败"
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)
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for tool in assistant_message["tools"]:
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tool["status"] = "done"
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elif event_type == "done":
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if assistant_message.get("status") != "error":
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assistant_message["status"] = "done"
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for tool in assistant_message["tools"]:
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tool["status"] = "done"
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def _save_web_agent_display_snapshot(
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*,
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session_id: str,
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current_user: User,
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messages: list[dict],
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client_session_id: Optional[str] = None,
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) -> None:
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"""
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保存 WebAgent 当前展示消息快照。
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"""
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try:
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oper = AgentChatOper()
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existing_chat = oper.get(session_id=session_id)
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AgentChatOper().save_display_messages(
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session_id=session_id,
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user_id=(existing_chat.user_id if existing_chat else str(current_user.id)),
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username=(existing_chat.username if existing_chat else current_user.name),
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channel=(
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existing_chat.channel
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if existing_chat and existing_chat.channel
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else MessageChannel.WebAgent
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),
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source=(
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existing_chat.source
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if existing_chat and existing_chat.source
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else WEB_AGENT_SOURCE
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),
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original_chat_id=existing_chat.original_chat_id if existing_chat else None,
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client_session_id=(
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existing_chat.client_session_id
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if existing_chat and existing_chat.client_session_id
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else client_session_id
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),
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messages=messages,
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)
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except Exception as e:
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logger.debug(f"保存WebAgent展示历史失败: {e}")
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|
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def _build_web_agent_sse(event_type: str, data: Optional[dict] = None) -> str:
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"""
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构建 Web Agent SSE 消息。
|
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|
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:param event_type: 前端事件类型
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:param data: 事件数据
|
||
:return: 符合 SSE 格式的字符串
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"""
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payload = {"type": event_type, **(data or {})}
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return f"data: {json.dumps(payload, ensure_ascii=False)}\n\n"
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def _sanitize_web_agent_upload_name(
|
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filename: Optional[str], mime_type: Optional[str] = None
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||
) -> str:
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"""
|
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规范化 Web Agent 上传文件名，避免路径穿越和空文件名。
|
||
|
||
:param filename: 浏览器上传的原始文件名
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||
:param mime_type: 浏览器上报的 MIME 类型
|
||
:return: 可安全落盘的文件名
|
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"""
|
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name = Path(filename or "attachment").name.strip()
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safe_name = "".join(
|
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char for char in name if char.isalnum() or char in (" ", ".", "_", "-")
|
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).strip(" .")
|
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if not safe_name:
|
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safe_name = "attachment"
|
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if "." not in safe_name:
|
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suffix = mimetypes.guess_extension(mime_type or "") or ""
|
||
safe_name = f"{safe_name}{suffix}"
|
||
return safe_name
|
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|
||
|
||
def _get_web_agent_upload_dir(user: User, session_id: Optional[str]) -> Path:
|
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"""
|
||
计算当前 Web Agent 会话的临时附件目录。
|
||
|
||
:param user: 当前登录用户
|
||
:param session_id: 前端会话标识
|
||
:return: 已创建的临时附件目录
|
||
"""
|
||
server_session_id = _build_web_agent_session_id(user, session_id)
|
||
safe_session_id = server_session_id.replace(":", "_")
|
||
upload_dir = settings.TEMP_PATH / "agent_uploads" / safe_session_id
|
||
upload_dir.mkdir(parents=True, exist_ok=True)
|
||
return upload_dir
|
||
|
||
|
||
async def _save_web_agent_upload(upload_file: UploadFile, target_path: Path) -> int:
|
||
"""
|
||
分块保存 Web Agent 上传文件，并限制单文件体积。
|
||
|
||
:param upload_file: FastAPI 上传文件对象
|
||
:param target_path: 目标落盘路径
|
||
:return: 已写入的字节数
|
||
"""
|
||
size = 0
|
||
try:
|
||
with target_path.open("wb") as output:
|
||
while True:
|
||
chunk = await upload_file.read(WEB_AGENT_UPLOAD_CHUNK_SIZE)
|
||
if not chunk:
|
||
break
|
||
size += len(chunk)
|
||
if size > WEB_AGENT_UPLOAD_MAX_BYTES:
|
||
raise HTTPException(
|
||
status_code=status.HTTP_413_REQUEST_ENTITY_TOO_LARGE,
|
||
detail="附件超过 32MB，无法发送给智能助手",
|
||
)
|
||
output.write(chunk)
|
||
except Exception:
|
||
target_path.unlink(missing_ok=True)
|
||
raise
|
||
finally:
|
||
await upload_file.close()
|
||
return size
|
||
|
||
|
||
def _cleanup_web_agent_file_registry() -> None:
|
||
"""清理过期或过量的 Web Agent 临时附件引用。"""
|
||
now = time.time()
|
||
expired_ids = [
|
||
file_id
|
||
for file_id, info in _WEB_AGENT_FILE_REGISTRY.items()
|
||
if now - info.get("created_at", now) > WEB_AGENT_FILE_TTL_SECONDS
|
||
]
|
||
for file_id in expired_ids:
|
||
_WEB_AGENT_FILE_REGISTRY.pop(file_id, None)
|
||
|
||
overflow = len(_WEB_AGENT_FILE_REGISTRY) - WEB_AGENT_FILE_MAX_ITEMS
|
||
if overflow <= 0:
|
||
return
|
||
sorted_items = sorted(
|
||
_WEB_AGENT_FILE_REGISTRY.items(),
|
||
key=lambda item: item[1].get("created_at", 0),
|
||
)
|
||
for file_id, _ in sorted_items[:overflow]:
|
||
_WEB_AGENT_FILE_REGISTRY.pop(file_id, None)
|
||
|
||
|
||
def _guess_web_agent_attachment_kind(
|
||
mime_type: Optional[str], fallback: str = "file"
|
||
) -> str:
|
||
"""
|
||
根据 MIME 类型推断前端附件展示方式。
|
||
|
||
:param mime_type: 文件 MIME 类型
|
||
:param fallback: 无法推断时使用的类型
|
||
:return: image、audio 或 file
|
||
"""
|
||
if mime_type and mime_type.startswith("image/"):
|
||
return "image"
|
||
if mime_type and mime_type.startswith("audio/"):
|
||
return "audio"
|
||
return fallback
|
||
|
||
|
||
def _build_web_agent_url_attachment(
|
||
url: str,
|
||
kind: str,
|
||
name: Optional[str] = None,
|
||
mime_type: Optional[str] = None,
|
||
) -> dict:
|
||
"""
|
||
构建远程或 data URL 附件事件。
|
||
|
||
:param url: 前端可访问的附件地址
|
||
:param kind: 附件展示类型
|
||
:param name: 展示名称
|
||
:param mime_type: MIME 类型
|
||
:return: 前端附件描述
|
||
"""
|
||
return {
|
||
"kind": kind,
|
||
"url": url,
|
||
"download_url": url,
|
||
"name": name,
|
||
"mime_type": mime_type,
|
||
}
|
||
|
||
|
||
def _build_web_agent_input_attachments(
|
||
images: list[str],
|
||
files: list[dict],
|
||
audio_refs: list[str],
|
||
) -> list[dict]:
|
||
"""
|
||
构造 WebAgent 用户输入附件展示记录。
|
||
"""
|
||
attachments = []
|
||
for index, image in enumerate(images or [], start=1):
|
||
attachments.append(
|
||
{
|
||
"kind": "image",
|
||
"url": image,
|
||
"download_url": image,
|
||
"name": f"image-{index}",
|
||
"mime_type": "image/*",
|
||
}
|
||
)
|
||
for index, file in enumerate(files or [], start=1):
|
||
ref = file.get("ref") or file.get("url") or file.get("local_path") or ""
|
||
mime_type = file.get("mime_type")
|
||
attachments.append(
|
||
{
|
||
"kind": _guess_web_agent_attachment_kind(mime_type),
|
||
"url": ref,
|
||
"download_url": ref,
|
||
"name": file.get("name") or f"attachment-{index}",
|
||
"mime_type": mime_type,
|
||
"size": file.get("size"),
|
||
"local_path": file.get("local_path"),
|
||
}
|
||
)
|
||
for index, audio_ref in enumerate(audio_refs or [], start=1):
|
||
attachments.append(
|
||
{
|
||
"kind": "audio",
|
||
"url": audio_ref,
|
||
"download_url": audio_ref,
|
||
"name": f"voice-{index}",
|
||
"mime_type": "audio/*",
|
||
}
|
||
)
|
||
return attachments
|
||
|
||
|
||
def _register_web_agent_file(
|
||
file_path: Optional[str],
|
||
file_name: Optional[str] = None,
|
||
kind: Optional[str] = None,
|
||
mime_type: Optional[str] = None,
|
||
) -> Optional[dict]:
|
||
"""
|
||
注册 Web Agent 本地附件并返回前端可访问的短期下载地址。
|
||
|
||
:param file_path: 本地文件路径
|
||
:param file_name: 前端展示文件名
|
||
:param kind: 附件展示类型
|
||
:param mime_type: 已知 MIME 类型
|
||
:return: 前端附件描述，文件不可访问时返回 None
|
||
"""
|
||
if not file_path:
|
||
return None
|
||
try:
|
||
resolved_path = Path(file_path).expanduser().resolve(strict=True)
|
||
except OSError:
|
||
return None
|
||
if not resolved_path.is_file():
|
||
return None
|
||
|
||
_cleanup_web_agent_file_registry()
|
||
file_id = uuid.uuid4().hex
|
||
display_name = file_name or resolved_path.name
|
||
resolved_mime_type = mime_type or mimetypes.guess_type(
|
||
display_name or str(resolved_path)
|
||
)[0]
|
||
file_url = f"message/agent/file/{file_id}"
|
||
_WEB_AGENT_FILE_REGISTRY[file_id] = {
|
||
"path": resolved_path,
|
||
"name": display_name,
|
||
"mime_type": resolved_mime_type or "application/octet-stream",
|
||
"created_at": time.time(),
|
||
}
|
||
return {
|
||
"kind": kind or _guess_web_agent_attachment_kind(resolved_mime_type),
|
||
"url": file_url,
|
||
"download_url": file_url,
|
||
"name": display_name,
|
||
"mime_type": resolved_mime_type,
|
||
"size": resolved_path.stat().st_size,
|
||
}
|
||
|
||
|
||
def _get_web_agent_audio_mime_type(audio_path: Path) -> Optional[str]:
|
||
"""
|
||
生成浏览器播放更友好的音频 MIME 类型。
|
||
|
||
:param audio_path: 音频文件路径
|
||
:return: 可用于 FileResponse/audio 标签的 MIME 类型
|
||
"""
|
||
suffix = audio_path.suffix.lower()
|
||
if suffix in {".wav", ".wave"}:
|
||
return "audio/wav"
|
||
if suffix == ".mp3":
|
||
return "audio/mpeg"
|
||
if suffix in {".m4a", ".mp4"}:
|
||
return "audio/mp4"
|
||
if suffix == ".aac":
|
||
return "audio/aac"
|
||
|
||
return mimetypes.guess_type(audio_path.name)[0]
|
||
|
||
|
||
def _prepare_web_agent_audio_attachment_path(voice_path: str) -> Path:
|
||
"""
|
||
将 Agent 语音回复准备成 Web 面板可稳定播放的音频文件。
|
||
|
||
部分 TTS provider 会生成 Opus/Ogg，桌面 Chromium 通常可播放，但 iOS/Safari
|
||
兼容性不稳定；WebAgent 只在浏览器内播放，因此这里单独转成 WAV。
|
||
"""
|
||
try:
|
||
source_path = Path(voice_path).expanduser().resolve(strict=True)
|
||
except OSError:
|
||
return Path(voice_path)
|
||
if source_path.suffix.lower() in WEB_AGENT_BROWSER_AUDIO_SUFFIXES:
|
||
return source_path
|
||
if not shutil.which("ffmpeg"):
|
||
logger.warning("WebAgent 语音转 WAV 跳过：ffmpeg 不可用，path=%s", source_path)
|
||
return source_path
|
||
|
||
voice_dir = settings.TEMP_PATH / "voice"
|
||
voice_dir.mkdir(parents=True, exist_ok=True)
|
||
output_path = voice_dir / f"{source_path.stem}_web_{uuid.uuid4().hex[:8]}.wav"
|
||
cmd = [
|
||
"ffmpeg",
|
||
"-y",
|
||
"-i",
|
||
str(source_path),
|
||
"-ar",
|
||
"24000",
|
||
"-ac",
|
||
"1",
|
||
"-f",
|
||
"wav",
|
||
str(output_path),
|
||
]
|
||
result = subprocess.run(cmd, capture_output=True, text=True, check=False)
|
||
if result.returncode != 0 or not output_path.exists():
|
||
logger.warning(
|
||
"WebAgent 语音转 WAV 失败，将回退原文件: returncode=%s, stderr=%s",
|
||
result.returncode,
|
||
(result.stderr or "").strip()[:500],
|
||
)
|
||
return source_path
|
||
return output_path
|
||
|
||
|
||
def _get_web_agent_registered_file(ref: str) -> Optional[dict[str, Any]]:
|
||
"""
|
||
根据前端附件引用读取 WebAgent 临时文件登记信息。
|
||
|
||
:param ref: message/agent/file/{file_id} 形式的短期引用
|
||
:return: 文件登记信息，引用无效或过期时返回 None
|
||
"""
|
||
normalized_ref = (ref or "").strip()
|
||
prefix = "message/agent/file/"
|
||
if not normalized_ref.startswith(prefix):
|
||
return None
|
||
|
||
_cleanup_web_agent_file_registry()
|
||
file_id = normalized_ref[len(prefix):].split("/", 1)[0]
|
||
return _WEB_AGENT_FILE_REGISTRY.get(file_id)
|
||
|
||
|
||
def _transcribe_web_agent_audio_refs(audio_refs: list[str]) -> Optional[str]:
|
||
"""
|
||
转写 WebAgent 上传的本地录音附件。
|
||
|
||
Web 面板上传后的音频已经保存在短期文件登记表里，不能再像第三方渠道那样
|
||
走模块下载逻辑；这里直接读取临时文件并调用当前音频输入 provider。
|
||
"""
|
||
if not audio_refs:
|
||
return None
|
||
if not AgentCapabilityManager.is_audio_input_available():
|
||
logger.warning("WebAgent 音频输入能力未配置或未启用，跳过语音识别")
|
||
return None
|
||
|
||
transcripts = []
|
||
for audio_ref in audio_refs:
|
||
file_info = _get_web_agent_registered_file(audio_ref)
|
||
if not file_info:
|
||
logger.warning("WebAgent 语音引用不存在或已过期: ref=%s", audio_ref)
|
||
continue
|
||
|
||
file_path = Path(file_info["path"])
|
||
try:
|
||
content = file_path.read_bytes()
|
||
except OSError as err:
|
||
logger.warning("WebAgent 语音文件读取失败: ref=%s, error=%s", audio_ref, err)
|
||
continue
|
||
|
||
transcript = AgentCapabilityManager.transcribe_audio(
|
||
content=content,
|
||
filename=file_info.get("name") or file_path.name,
|
||
)
|
||
if transcript:
|
||
transcripts.append(transcript)
|
||
|
||
return "\n".join(transcripts).strip() if transcripts else None
|
||
|
||
|
||
def _merge_web_agent_prompt_with_transcript(prompt: str, transcript: Optional[str]) -> str:
|
||
"""合并用户输入文本和语音转写文本，避免重复发送相同内容。"""
|
||
merged_parts = []
|
||
seen_parts = set()
|
||
for item in (prompt, transcript or ""):
|
||
normalized = item.strip()
|
||
if not normalized or normalized in seen_parts:
|
||
continue
|
||
seen_parts.add(normalized)
|
||
merged_parts.append(normalized)
|
||
return "\n".join(merged_parts).strip()
|
||
|
||
|
||
def _parse_web_agent_choice_callback(callback_data: str) -> Optional[tuple[str, int]]:
|
||
"""
|
||
解析 Web Agent 按钮选择回调数据。
|
||
|
||
:param callback_data: Agent 按钮携带的回调数据
|
||
:return: 请求 ID 与选项序号，格式无效时返回 None
|
||
"""
|
||
if not callback_data.startswith("agent_interaction:choice:"):
|
||
return None
|
||
try:
|
||
_, _, request_id, option_index = callback_data.split(":", 3)
|
||
except ValueError:
|
||
return None
|
||
if not request_id or not option_index.isdigit():
|
||
return None
|
||
return request_id, int(option_index)
|
||
|
||
|
||
def _normalize_web_agent_choice_button_rows(buttons: Optional[list[list[dict]]]) -> list[list[dict]]:
|
||
"""
|
||
将消息渠道按钮二维结构转换为 Web 前端可渲染的按钮行。
|
||
|
||
:param buttons: Notification 中的按钮行
|
||
:return: Web 选择卡片按钮行
|
||
"""
|
||
normalized_rows = []
|
||
for row in buttons or []:
|
||
normalized_row = []
|
||
for button in row or []:
|
||
text = str(button.get("text") or "").strip()
|
||
callback_data = str(button.get("callback_data") or "").strip()
|
||
if not text or not callback_data:
|
||
continue
|
||
description = str(button.get("description") or "").strip()
|
||
normalized_row.append(
|
||
{
|
||
"label": text,
|
||
"callback_data": callback_data,
|
||
**({"description": description} if description else {}),
|
||
}
|
||
)
|
||
if normalized_row:
|
||
normalized_rows.append(normalized_row)
|
||
return normalized_rows
|
||
|
||
|
||
def _build_web_agent_choice_event(notification: schemas.Notification) -> Optional[dict]:
|
||
"""
|
||
将带按钮通知转换为 Web Agent 选择卡片事件。
|
||
|
||
:param notification: Agent 工具发出的按钮通知
|
||
:return: 选择卡片事件，按钮为空时返回 None
|
||
"""
|
||
button_rows = _normalize_web_agent_choice_button_rows(notification.buttons)
|
||
buttons = [button for row in button_rows for button in row]
|
||
if not buttons:
|
||
return None
|
||
|
||
choice_id = None
|
||
parsed = _parse_web_agent_choice_callback(buttons[0]["callback_data"])
|
||
if parsed:
|
||
choice_id = parsed[0]
|
||
|
||
return {
|
||
"type": "choice",
|
||
"choice": {
|
||
"id": choice_id or uuid.uuid4().hex,
|
||
"title": notification.title,
|
||
"prompt": notification.text or "",
|
||
"buttons": buttons,
|
||
"button_rows": button_rows,
|
||
},
|
||
}
|
||
|
||
|
||
def _build_web_agent_choice_buttons_from_request(
|
||
request,
|
||
) -> tuple[list[dict], list[list[dict]]]:
|
||
"""
|
||
根据待处理交互请求重建可持久化的按钮列表与按钮行。
|
||
|
||
:param request: 等待用户选择的交互请求
|
||
:return: 平铺按钮列表与按行分组的按钮结构
|
||
"""
|
||
buttons = [
|
||
{
|
||
"label": option.label,
|
||
"callback_data": f"agent_interaction:choice:{request.request_id}:{index}",
|
||
"description": option.description or option.label,
|
||
}
|
||
for index, option in enumerate(request.options, start=1)
|
||
]
|
||
button_rows = [[button] for button in buttons]
|
||
return buttons, button_rows
|
||
|
||
|
||
def _resolve_web_agent_choice_payload(callback_data: str, user_id: str) -> Optional[dict]:
|
||
"""
|
||
解析并消费 Web Agent 按钮选择，生成前端反馈与下一条用户消息。
|
||
|
||
:param callback_data: 前端点击的按钮回调数据
|
||
:param user_id: 当前登录用户 ID
|
||
:return: 可返回给前端的数据，选择无效时返回 None
|
||
"""
|
||
parsed = _parse_web_agent_choice_callback(callback_data)
|
||
if not parsed:
|
||
return None
|
||
|
||
request_id, option_index = parsed
|
||
resolved = agent_interaction_manager.resolve(
|
||
request_id=request_id,
|
||
option_index=option_index,
|
||
user_id=str(user_id),
|
||
)
|
||
if not resolved:
|
||
return None
|
||
|
||
request, option = resolved
|
||
buttons, button_rows = _build_web_agent_choice_buttons_from_request(request)
|
||
selected_description = option.description or option.label
|
||
return {
|
||
"message": option.value,
|
||
"session_id": request.session_id,
|
||
"display_message": selected_description,
|
||
"choice_selection": {
|
||
"choice_id": request.request_id,
|
||
"title": request.title,
|
||
"prompt": request.prompt,
|
||
"buttons": buttons,
|
||
"button_rows": button_rows,
|
||
"selected_label": option.label,
|
||
"selected_value": option.value,
|
||
"selected_description": selected_description,
|
||
},
|
||
"feedback": {
|
||
"request_id": request.request_id,
|
||
"title": request.title,
|
||
"prompt": request.prompt,
|
||
"selected_label": option.label,
|
||
"selected_value": option.value,
|
||
"selected_description": selected_description,
|
||
"buttons": buttons,
|
||
"button_rows": button_rows,
|
||
},
|
||
}
|
||
|
||
|
||
def _build_web_agent_notification_events(
|
||
notification: schemas.Notification,
|
||
) -> list[dict]:
|
||
"""
|
||
将 Agent 工具通知转换为 Web SSE 事件。
|
||
|
||
:param notification: 工具产生的通知消息
|
||
:return: 前端可直接应用到当前助手消息的事件列表
|
||
"""
|
||
events = []
|
||
choice_event = _build_web_agent_choice_event(notification)
|
||
if choice_event:
|
||
events.append(choice_event)
|
||
|
||
text_parts = [
|
||
str(item).strip()
|
||
for item in (notification.title, notification.text)
|
||
if str(item or "").strip()
|
||
]
|
||
if text_parts and not choice_event:
|
||
events.append({"type": "delta", "content": "\n\n".join(text_parts)})
|
||
|
||
if notification.image:
|
||
image_ref = notification.image
|
||
image_path = Path(image_ref).expanduser()
|
||
attachment = None
|
||
if not image_ref.startswith(("http://", "https://", "data:", "blob:")):
|
||
attachment = _register_web_agent_file(
|
||
image_ref, file_name=Path(image_ref).name, kind="image"
|
||
)
|
||
if not attachment:
|
||
attachment = _build_web_agent_url_attachment(
|
||
image_ref,
|
||
kind="image",
|
||
name=notification.title or image_path.name or "image",
|
||
)
|
||
events.append({"type": "attachment", "attachment": attachment})
|
||
|
||
if notification.voice_path:
|
||
audio_path = _prepare_web_agent_audio_attachment_path(notification.voice_path)
|
||
attachment = _register_web_agent_file(
|
||
str(audio_path),
|
||
file_name=audio_path.name,
|
||
kind="audio",
|
||
mime_type=_get_web_agent_audio_mime_type(audio_path),
|
||
)
|
||
if attachment:
|
||
events.append({"type": "attachment", "attachment": attachment})
|
||
|
||
if notification.file_path:
|
||
attachment = _register_web_agent_file(
|
||
notification.file_path,
|
||
file_name=notification.file_name or Path(notification.file_path).name,
|
||
)
|
||
if attachment:
|
||
events.append({"type": "attachment", "attachment": attachment})
|
||
|
||
return events
|
||
|
||
|
||
def _build_web_agent_display_message_from_events(
|
||
events: list[dict],
|
||
) -> dict:
|
||
"""
|
||
将传统消息事件聚合为前端展示消息快照。
|
||
|
||
:param events: 已转换的 WebAgent SSE 事件列表
|
||
:return: 可持久化的助手展示消息
|
||
"""
|
||
message = MoviePilotAgent.build_display_message(
|
||
role="assistant",
|
||
status="streaming",
|
||
)
|
||
for event in events:
|
||
_apply_web_agent_display_event(copy.deepcopy(event), message)
|
||
_apply_web_agent_display_event({"type": "done"}, message)
|
||
return message
|
||
|
||
|
||
def _is_web_agent_traditional_message(text: str) -> bool:
|
||
"""
|
||
判断用户输入是否应走传统消息命令/交互链路。
|
||
|
||
:param text: 前端输入文本
|
||
:return: 需要交给 MessageChain 时返回 True
|
||
"""
|
||
normalized = str(text or "").strip()
|
||
return normalized.startswith("/") or normalized.startswith("CALLBACK:")
|
||
|
||
|
||
def _has_web_agent_traditional_interaction(user_id: str) -> bool:
|
||
"""
|
||
判断当前用户是否存在待继续的传统交互会话。
|
||
|
||
:param user_id: 当前登录用户 ID
|
||
:return: 存在传统交互上下文时返回 True
|
||
"""
|
||
return any(
|
||
manager.get_by_user(user_id)
|
||
for manager in (
|
||
site_interaction_manager,
|
||
subscribe_interaction_manager,
|
||
skills_interaction_manager,
|
||
media_interaction_manager,
|
||
)
|
||
)
|
||
|
||
|
||
def _extract_web_agent_notification_from_event_data(
|
||
data: dict,
|
||
) -> Optional[schemas.Notification]:
|
||
"""
|
||
从 NoticeMessage 事件数据中提取 WebAgent 通知。
|
||
|
||
:param data: NoticeMessage 事件数据，兼容扁平字段和 message 包装格式
|
||
:return: WebAgent 通知，不属于 WebAgent 或数据无效时返回 None
|
||
"""
|
||
if not isinstance(data, dict):
|
||
return None
|
||
|
||
try:
|
||
message = data.get("message")
|
||
if isinstance(message, schemas.Notification):
|
||
notification = message
|
||
elif isinstance(message, dict):
|
||
notification_data = copy.deepcopy(message)
|
||
notification_data.pop("type", None)
|
||
notification = schemas.Notification(**notification_data)
|
||
else:
|
||
notification_data = copy.deepcopy(data)
|
||
notification_data.pop("type", None)
|
||
notification_data.pop("current_time", None)
|
||
notification = schemas.Notification(**notification_data)
|
||
except Exception as err:
|
||
logger.debug(f"解析WebAgent通知事件失败: {err}")
|
||
return None
|
||
|
||
channel = notification.channel
|
||
channel_value = channel.value if isinstance(channel, MessageChannel) else channel
|
||
if channel_value != MessageChannel.WebAgent.value:
|
||
return None
|
||
return notification
|
||
|
||
|
||
def _is_web_agent_notice_for_user(
|
||
notification: schemas.Notification,
|
||
user_id: str,
|
||
) -> bool:
|
||
"""
|
||
判断 NoticeMessage 事件是否属于当前 WebAgent 用户。
|
||
|
||
:param notification: NoticeMessage 中的通知消息
|
||
:param user_id: 当前登录用户 ID
|
||
:return: 可被本次 WebAgent 请求消费时返回 True
|
||
"""
|
||
try:
|
||
target_user = notification.userid
|
||
return target_user is None or str(target_user) == str(user_id)
|
||
except Exception:
|
||
return False
|
||
|
||
|
||
def _get_web_agent_notice_user_id(notification: schemas.Notification) -> Optional[str]:
|
||
"""
|
||
从 NoticeMessage 事件中解析 WebAgent 目标用户。
|
||
|
||
:param notification: NoticeMessage 中的通知消息
|
||
:return: 用户 ID 字符串，事件不属于 WebAgent 时返回 None
|
||
"""
|
||
try:
|
||
channel = notification.channel
|
||
channel_value = channel.value if isinstance(channel, MessageChannel) else channel
|
||
if channel_value != MessageChannel.WebAgent.value:
|
||
return None
|
||
user_id = notification.userid
|
||
return str(user_id) if user_id is not None else None
|
||
except Exception:
|
||
return None
|
||
|
||
|
||
def _dispatch_web_agent_notice_event(event: Event) -> None:
|
||
"""
|
||
将 WebAgent NoticeMessage 分发给正在等待的请求队列。
|
||
|
||
:param event: NoticeMessage 广播事件
|
||
"""
|
||
data = event.event_data if isinstance(event.event_data, dict) else {}
|
||
notification = _extract_web_agent_notification_from_event_data(data)
|
||
if not notification:
|
||
return
|
||
with _WEB_AGENT_NOTICE_LOCK:
|
||
user_id = _get_web_agent_notice_user_id(notification)
|
||
if user_id is None:
|
||
queues = [
|
||
notice_queue
|
||
for user_queues in _WEB_AGENT_NOTICE_QUEUES.values()
|
||
for notice_queue in user_queues
|
||
]
|
||
else:
|
||
queues = list(_WEB_AGENT_NOTICE_QUEUES.get(user_id) or [])
|
||
for notice_queue in queues:
|
||
notice_queue.put(notification)
|
||
|
||
|
||
def _ensure_web_agent_notice_listener() -> None:
|
||
"""
|
||
确保 WebAgent NoticeMessage 全局监听器已注册。
|
||
"""
|
||
global _WEB_AGENT_NOTICE_LISTENER_REGISTERED
|
||
if _WEB_AGENT_NOTICE_LISTENER_REGISTERED:
|
||
return
|
||
with _WEB_AGENT_NOTICE_LOCK:
|
||
if _WEB_AGENT_NOTICE_LISTENER_REGISTERED:
|
||
return
|
||
EventManager().add_event_listener(
|
||
EventType.NoticeMessage,
|
||
_dispatch_web_agent_notice_event,
|
||
)
|
||
_WEB_AGENT_NOTICE_LISTENER_REGISTERED = True
|
||
|
||
|
||
def _attach_web_agent_notice_queue(user_id: str, notice_queue: Queue[schemas.Notification]) -> None:
|
||
"""
|
||
为当前 WebAgent 请求挂载通知收集队列。
|
||
|
||
:param user_id: 当前用户 ID
|
||
:param notice_queue: 用于接收通知事件的队列
|
||
"""
|
||
_ensure_web_agent_notice_listener()
|
||
with _WEB_AGENT_NOTICE_LOCK:
|
||
_WEB_AGENT_NOTICE_QUEUES.setdefault(str(user_id), []).append(notice_queue)
|
||
|
||
|
||
def _detach_web_agent_notice_queue(user_id: str, notice_queue: Queue[schemas.Notification]) -> None:
|
||
"""
|
||
移除当前 WebAgent 请求的通知收集队列。
|
||
|
||
:param user_id: 当前用户 ID
|
||
:param notice_queue: 需要移除的队列
|
||
"""
|
||
with _WEB_AGENT_NOTICE_LOCK:
|
||
queues = _WEB_AGENT_NOTICE_QUEUES.get(str(user_id))
|
||
if not queues:
|
||
return
|
||
_WEB_AGENT_NOTICE_QUEUES[str(user_id)] = [
|
||
item for item in queues if item is not notice_queue
|
||
]
|
||
if not _WEB_AGENT_NOTICE_QUEUES[str(user_id)]:
|
||
_WEB_AGENT_NOTICE_QUEUES.pop(str(user_id), None)
|
||
|
||
|
||
def _build_web_agent_command_items() -> list[dict]:
|
||
"""
|
||
读取当前可用斜杠命令并转换为前端建议列表。
|
||
|
||
:return: 按分类和命令名排序的命令列表
|
||
"""
|
||
commands = Command().get_commands() or {}
|
||
items = []
|
||
for command, data in commands.items():
|
||
if not command.startswith("/"):
|
||
continue
|
||
if data.get("show") is False:
|
||
continue
|
||
items.append(
|
||
{
|
||
"command": command,
|
||
"description": data.get("description") or "",
|
||
"category": data.get("category") or "其他",
|
||
"type": data.get("type") or "",
|
||
"pid": data.get("pid"),
|
||
}
|
||
)
|
||
return sorted(items, key=lambda item: (item["category"], item["command"]))
|
||
|
||
|
||
def _extract_web_agent_slash_command(text: str) -> Optional[str]:
|
||
"""
|
||
从 WebAgent 输入中提取斜杠命令名。
|
||
|
||
:param text: 前端输入文本
|
||
:return: 斜杠命令名，非命令输入返回 None
|
||
"""
|
||
normalized = str(text or "").strip()
|
||
if not normalized.startswith("/") or normalized.startswith("//"):
|
||
return None
|
||
command = normalized.split(maxsplit=1)[0].strip()
|
||
return command or None
|
||
|
||
|
||
def _get_web_agent_unknown_command_message(text: str) -> Optional[str]:
|
||
"""
|
||
判断 WebAgent 斜杠命令是否不存在。
|
||
|
||
:param text: 前端输入文本
|
||
:return: 命令不存在时返回错误提示，命令存在或非命令时返回 None
|
||
"""
|
||
command = _extract_web_agent_slash_command(text)
|
||
if not command:
|
||
return None
|
||
if Command().get(command):
|
||
return None
|
||
return f"命令不存在：{command}"
|
||
|
||
|
||
def _ensure_web_agent_command_allowed(current_user: User) -> Optional[str]:
|
||
"""
|
||
校验当前 Web 用户是否可以执行传统斜杠命令。
|
||
|
||
:param current_user: 当前登录用户
|
||
:return: 无权限时返回错误提示，允许执行时返回 None
|
||
"""
|
||
if getattr(current_user, "is_superuser", False):
|
||
return None
|
||
return "只有管理员才有权限执行此命令"
|
||
|
||
|
||
async def _collect_web_agent_traditional_events(
|
||
*,
|
||
text: str,
|
||
current_user: User,
|
||
original_message_id: Optional[Union[str, int]] = None,
|
||
original_chat_id: Optional[Union[str, int]] = None,
|
||
) -> list[dict]:
|
||
"""
|
||
执行传统消息链路并收集本次 WebAgent 用户产生的通知事件。
|
||
|
||
:param text: 需要交给传统消息链路处理的文本
|
||
:param current_user: 当前登录用户
|
||
:param original_message_id: WebAgent 原助手消息 ID
|
||
:param original_chat_id: WebAgent 原聊天 ID
|
||
:return: 可直接发送给前端的 SSE 事件列表
|
||
"""
|
||
notice_queue: Queue[schemas.Notification] = Queue()
|
||
edit_queue: Queue[dict] = Queue()
|
||
user_id = str(current_user.id)
|
||
|
||
_attach_web_agent_notice_queue(user_id, notice_queue)
|
||
attach_web_agent_edit_queue(user_id, edit_queue)
|
||
try:
|
||
await run_in_threadpool(
|
||
MessageChain().handle_message,
|
||
channel=MessageChannel.WebAgent,
|
||
source=WEB_AGENT_SOURCE,
|
||
userid=user_id,
|
||
username=current_user.name or user_id,
|
||
text=text,
|
||
original_message_id=original_message_id,
|
||
original_chat_id=original_chat_id,
|
||
)
|
||
|
||
events = []
|
||
deadline = time.monotonic() + WEB_AGENT_TRADITIONAL_MAX_WAIT_SECONDS
|
||
idle_deadline: Optional[float] = None
|
||
while time.monotonic() < deadline:
|
||
now = time.monotonic()
|
||
drained_edit_event = False
|
||
while True:
|
||
try:
|
||
events.append(edit_queue.get_nowait())
|
||
drained_edit_event = True
|
||
except Empty:
|
||
break
|
||
if drained_edit_event:
|
||
idle_deadline = time.monotonic() + WEB_AGENT_TRADITIONAL_IDLE_TIMEOUT_SECONDS
|
||
continue
|
||
|
||
wait_until = idle_deadline or deadline
|
||
timeout = max(0.05, min(0.25, wait_until - now, deadline - now))
|
||
try:
|
||
notification = await asyncio.to_thread(notice_queue.get, True, timeout)
|
||
except Empty:
|
||
if idle_deadline and time.monotonic() >= idle_deadline:
|
||
break
|
||
continue
|
||
|
||
if not _is_web_agent_notice_for_user(notification, user_id):
|
||
continue
|
||
events.extend(_build_web_agent_notification_events(notification))
|
||
idle_deadline = time.monotonic() + WEB_AGENT_TRADITIONAL_IDLE_TIMEOUT_SECONDS
|
||
return events
|
||
finally:
|
||
_detach_web_agent_notice_queue(user_id, notice_queue)
|
||
detach_web_agent_edit_queue(user_id, edit_queue)
|
||
|
||
|
||
def _build_web_agent_traditional_callback_payload(
|
||
callback_data: str,
|
||
original_message_id: Optional[Union[str, int]] = None,
|
||
original_chat_id: Optional[Union[str, int]] = None,
|
||
) -> dict:
|
||
"""
|
||
构造传统消息链按钮回调的前端执行载荷。
|
||
|
||
:param callback_data: 前端点击的传统按钮回调数据
|
||
:param original_message_id: WebAgent 原助手消息 ID
|
||
:param original_chat_id: WebAgent 原聊天 ID
|
||
:return: 前端可继续发送到 /stream 的消息载荷
|
||
"""
|
||
return {
|
||
"message": f"CALLBACK:{callback_data}",
|
||
"display_message": callback_data,
|
||
"traditional": True,
|
||
"original_message_id": original_message_id,
|
||
"original_chat_id": original_chat_id,
|
||
}
|
||
|
||
|
||
def _split_web_agent_output(text: str) -> list[dict]:
|
||
"""
|
||
将 Agent 输出拆成普通文本与工具提示事件。
|
||
|
||
:param text: 本次新增的 Agent 文本
|
||
:return: 前端可直接渲染的事件片段
|
||
"""
|
||
if not text:
|
||
return []
|
||
|
||
events = []
|
||
|
||
def append_text(content: str) -> None:
|
||
"""将工具汇总行从普通文本中拆出，保留与消息渠道一致的展示文案。"""
|
||
if not content:
|
||
return
|
||
lines = content.splitlines(keepends=True)
|
||
buffer = ""
|
||
for line in lines:
|
||
stripped_line = line.strip()
|
||
if stripped_line.startswith("（") and stripped_line.endswith("）"):
|
||
if buffer:
|
||
events.append({"type": "delta", "content": buffer})
|
||
buffer = ""
|
||
events.append(
|
||
{
|
||
"type": "tool",
|
||
"message": stripped_line,
|
||
}
|
||
)
|
||
else:
|
||
buffer += line
|
||
if buffer:
|
||
events.append({"type": "delta", "content": buffer})
|
||
|
||
marker = "⚙️ => "
|
||
remaining = text
|
||
while remaining:
|
||
marker_index = remaining.find(marker)
|
||
if marker_index < 0:
|
||
append_text(remaining)
|
||
break
|
||
|
||
if marker_index > 0:
|
||
append_text(remaining[:marker_index])
|
||
|
||
after_marker = remaining[marker_index + len(marker):]
|
||
line_end = after_marker.find("\n")
|
||
if line_end < 0:
|
||
message = after_marker.strip()
|
||
remaining = ""
|
||
else:
|
||
message = after_marker[:line_end].strip()
|
||
remaining = after_marker[line_end:].lstrip("\n")
|
||
|
||
if message:
|
||
events.append({"type": "tool", "message": f"{marker}{message}"})
|
||
|
||
return events
|
||
|
||
|
||
@router.get("/file/{file_id}", summary="下载 Web 智能助手附件")
|
||
async def download_web_agent_file(file_id: str) -> FileResponse:
|
||
"""
|
||
下载 Web 智能助手本轮生成的临时附件。
|
||
|
||
:param file_id: 附件随机标识
|
||
:return: 附件文件响应
|
||
"""
|
||
_cleanup_web_agent_file_registry()
|
||
file_info = _WEB_AGENT_FILE_REGISTRY.get(file_id)
|
||
if not file_info:
|
||
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="附件不存在或已过期")
|
||
|
||
file_path = file_info["path"]
|
||
if not file_path.exists() or not file_path.is_file():
|
||
_WEB_AGENT_FILE_REGISTRY.pop(file_id, None)
|
||
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="附件不存在或已过期")
|
||
|
||
return FileResponse(
|
||
path=file_path,
|
||
media_type=file_info.get("mime_type") or "application/octet-stream",
|
||
filename=file_info.get("name") or file_path.name,
|
||
)
|
||
|
||
|
||
@router.post("/upload", summary="上传 Web 智能助手附件", response_model=schemas.Response)
|
||
async def upload_web_agent_file(
|
||
file: UploadFile = File(...),
|
||
session_id: Optional[str] = Form(None),
|
||
current_user: User = Depends(get_current_active_user),
|
||
) -> schemas.Response:
|
||
"""
|
||
上传 Web 智能助手对话附件。
|
||
|
||
:param file: 浏览器选择的文件
|
||
:param session_id: 前端会话标识
|
||
:param current_user: 当前登录用户
|
||
:return: Agent 可消费的附件描述
|
||
"""
|
||
mime_type = file.content_type or mimetypes.guess_type(file.filename or "")[0]
|
||
safe_name = _sanitize_web_agent_upload_name(file.filename, mime_type)
|
||
upload_dir = _get_web_agent_upload_dir(current_user, session_id)
|
||
target_path = upload_dir / f"{uuid.uuid4().hex[:8]}_{safe_name}"
|
||
size = await _save_web_agent_upload(file, target_path)
|
||
attachment = _register_web_agent_file(
|
||
str(target_path),
|
||
file_name=safe_name,
|
||
kind=_guess_web_agent_attachment_kind(mime_type),
|
||
mime_type=mime_type,
|
||
)
|
||
if not attachment:
|
||
target_path.unlink(missing_ok=True)
|
||
return schemas.Response(success=False, message="附件保存失败")
|
||
|
||
attachment.update(
|
||
{
|
||
"ref": attachment["url"],
|
||
"local_path": str(target_path),
|
||
"status": "ready",
|
||
"size": size,
|
||
}
|
||
)
|
||
return schemas.Response(success=True, data=attachment)
|
||
|
||
|
||
@router.post("/callback", summary="Web 智能助手按钮回调", response_model=schemas.Response)
|
||
async def web_agent_callback(
|
||
payload: schemas.AgentWebChoiceRequest,
|
||
current_user: User = Depends(get_current_active_user),
|
||
) -> schemas.Response:
|
||
"""
|
||
接收 Web 智能助手选择卡片回调。
|
||
|
||
:param payload: 按钮选择请求
|
||
:param current_user: 当前登录用户
|
||
:return: 下一条需要发送给 Agent 的用户消息与卡片反馈
|
||
"""
|
||
if not _parse_web_agent_choice_callback(payload.callback_data):
|
||
denied_message = _ensure_web_agent_command_allowed(current_user)
|
||
if denied_message:
|
||
return schemas.Response(success=False, message=denied_message)
|
||
return schemas.Response(
|
||
success=True,
|
||
data=_build_web_agent_traditional_callback_payload(
|
||
payload.callback_data,
|
||
original_message_id=payload.original_message_id,
|
||
original_chat_id=payload.original_chat_id,
|
||
),
|
||
)
|
||
|
||
result = _resolve_web_agent_choice_payload(
|
||
callback_data=payload.callback_data,
|
||
user_id=str(current_user.id),
|
||
)
|
||
if not result:
|
||
return schemas.Response(success=False, message="该选择已失效，请重新发起选择")
|
||
return schemas.Response(success=True, data=result)
|
||
|
||
|
||
@router.get("/commands", summary="获取 Web 智能助手可用命令", response_model=schemas.Response)
|
||
async def list_web_agent_commands(
|
||
current_user: User = Depends(get_current_active_user),
|
||
) -> schemas.Response:
|
||
"""
|
||
获取当前 Web 智能助手可补全的斜杠命令。
|
||
|
||
:param current_user: 当前登录用户
|
||
:return: 可用命令列表
|
||
"""
|
||
denied_message = _ensure_web_agent_command_allowed(current_user)
|
||
if denied_message:
|
||
return schemas.Response(success=False, message=denied_message)
|
||
return schemas.Response(success=True, data=_build_web_agent_command_items())
|
||
|
||
|
||
@router.get("/sessions", summary="获取 Agent 历史会话", response_model=schemas.Response)
|
||
async def list_agent_chat_sessions(
|
||
current_user: User = Depends(get_current_active_user),
|
||
db: AsyncSession = Depends(get_async_db),
|
||
page: Optional[int] = 1,
|
||
count: Optional[int] = 30,
|
||
) -> schemas.Response:
|
||
"""
|
||
获取当前用户可访问的 Agent 历史会话列表。
|
||
|
||
:param current_user: 当前登录用户
|
||
:param db: 异步数据库会话
|
||
:param page: 页码
|
||
:param count: 每页数量
|
||
:return: 会话摘要列表
|
||
"""
|
||
user_id = None if current_user.is_superuser else str(current_user.id)
|
||
username = None if current_user.is_superuser else current_user.name
|
||
chats = await AgentChatOper(db).async_list_by_page(
|
||
page=page,
|
||
count=count,
|
||
user_id=user_id,
|
||
username=username,
|
||
)
|
||
return schemas.Response(
|
||
success=True,
|
||
data=[AgentChatOper.to_summary(chat) for chat in chats],
|
||
)
|
||
|
||
|
||
@router.get("/sessions/{session_id}", summary="获取 Agent 历史会话详情", response_model=schemas.Response)
|
||
async def get_agent_chat_session(
|
||
session_id: str,
|
||
current_user: User = Depends(get_current_active_user),
|
||
db: AsyncSession = Depends(get_async_db),
|
||
) -> schemas.Response:
|
||
"""
|
||
获取一条 Agent 历史会话详情。
|
||
|
||
:param session_id: Agent 会话 ID
|
||
:param current_user: 当前登录用户
|
||
:param db: 异步数据库会话
|
||
:return: 会话详情
|
||
"""
|
||
oper = AgentChatOper(db)
|
||
chat = await _get_accessible_agent_chat(oper, session_id, current_user)
|
||
server_session_id = session_id
|
||
if not chat:
|
||
server_session_id = _build_web_agent_session_id(current_user, session_id)
|
||
if server_session_id != session_id:
|
||
chat = await _get_accessible_agent_chat(oper, server_session_id, current_user)
|
||
if not chat:
|
||
if agent_manager.is_session_busy(server_session_id):
|
||
return schemas.Response(
|
||
success=True,
|
||
data={
|
||
"session_id": server_session_id,
|
||
"client_session_id": session_id,
|
||
"messages": [],
|
||
"is_processing": True,
|
||
},
|
||
)
|
||
return schemas.Response(success=False, message="会话不存在或无权访问")
|
||
data = AgentChatOper.to_detail(chat)
|
||
data["is_processing"] = agent_manager.is_session_busy(chat.session_id)
|
||
return schemas.Response(success=True, data=data)
|
||
|
||
|
||
@router.put("/sessions/{session_id}/display", summary="保存 Agent 展示会话", response_model=schemas.Response)
|
||
async def save_agent_chat_display(
|
||
session_id: str,
|
||
payload: schemas.AgentChatDisplaySaveRequest,
|
||
current_user: User = Depends(get_current_active_user),
|
||
db: AsyncSession = Depends(get_async_db),
|
||
) -> schemas.Response:
|
||
"""
|
||
保存前端聚合后的 Agent 展示消息。
|
||
|
||
:param session_id: Agent 会话 ID
|
||
:param payload: 展示消息保存请求
|
||
:param current_user: 当前登录用户
|
||
:param db: 异步数据库会话
|
||
:return: 保存后的会话摘要
|
||
"""
|
||
oper = AgentChatOper(db)
|
||
existing_chat = await oper.async_get(session_id=session_id)
|
||
if existing_chat and not _can_access_agent_chat(existing_chat, current_user):
|
||
return schemas.Response(success=False, message="会话不存在或无权访问")
|
||
|
||
messages = [
|
||
message.model_dump(exclude_none=True)
|
||
for message in payload.messages
|
||
]
|
||
await run_in_threadpool(
|
||
_save_web_agent_display_snapshot,
|
||
session_id=session_id,
|
||
current_user=current_user,
|
||
messages=messages,
|
||
client_session_id=existing_chat.client_session_id if existing_chat else session_id,
|
||
)
|
||
chat = await oper.async_get(session_id=session_id)
|
||
if not chat:
|
||
return schemas.Response(success=False, message="会话保存失败")
|
||
return schemas.Response(success=True, data=AgentChatOper.to_summary(chat))
|
||
|
||
|
||
@router.delete("/sessions/{session_id}", summary="删除 Agent 历史会话", response_model=schemas.Response)
|
||
async def delete_agent_chat_session(
|
||
session_id: str,
|
||
current_user: User = Depends(get_current_active_user),
|
||
db: AsyncSession = Depends(get_async_db),
|
||
) -> schemas.Response:
|
||
"""
|
||
删除一条 Agent 历史会话。
|
||
|
||
:param session_id: Agent 会话 ID
|
||
:param current_user: 当前登录用户
|
||
:param db: 异步数据库会话
|
||
:return: 删除结果
|
||
"""
|
||
oper = AgentChatOper(db)
|
||
chat = await _get_accessible_agent_chat(oper, session_id, current_user)
|
||
if not chat:
|
||
return schemas.Response(success=False, message="会话不存在或无权访问")
|
||
deleted = await oper.async_delete(session_id=session_id)
|
||
return schemas.Response(success=deleted, message="删除成功" if deleted else "删除失败")
|
||
|
||
|
||
@router.post("/sessions/{session_id}/stop", summary="停止 Web 智能助手当前任务", response_model=schemas.Response)
|
||
async def stop_web_agent_session_task(
|
||
session_id: str,
|
||
current_user: User = Depends(get_current_active_user),
|
||
db: AsyncSession = Depends(get_async_db),
|
||
) -> schemas.Response:
|
||
"""
|
||
停止当前 Web 智能助手会话正在执行的任务。
|
||
|
||
:param session_id: Agent 会话 ID
|
||
:param current_user: 当前登录用户
|
||
:param db: 异步数据库会话
|
||
:return: 停止结果
|
||
"""
|
||
server_session_id = _build_web_agent_session_id(current_user, session_id)
|
||
chat = await _get_accessible_agent_chat(
|
||
AgentChatOper(db), server_session_id, current_user
|
||
)
|
||
if not chat and server_session_id != session_id:
|
||
chat = await _get_accessible_agent_chat(AgentChatOper(db), session_id, current_user)
|
||
if chat and not _can_access_agent_chat(chat, current_user):
|
||
return schemas.Response(success=False, message="会话不存在或无权访问")
|
||
|
||
stopped = await agent_manager.stop_current_task(server_session_id)
|
||
return schemas.Response(
|
||
success=True,
|
||
data={"stopped": stopped},
|
||
message="已停止" if stopped else "当前没有正在执行的任务",
|
||
)
|
||
|
||
|
||
@router.post("/stream", summary="Web智能助手流式对话")
|
||
async def web_agent_stream(
|
||
payload: schemas.AgentWebChatRequest,
|
||
request: Request,
|
||
current_user: User = Depends(get_current_active_user),
|
||
) -> StreamingResponse:
|
||
"""
|
||
Web 智能助手流式对话。
|
||
|
||
:param payload: 对话请求
|
||
:param request: 当前 HTTP 请求
|
||
:param current_user: 当前登录用户
|
||
:return: SSE 流式响应
|
||
"""
|
||
prompt = payload.text.strip()
|
||
display_prompt = (payload.display_text or payload.text).strip()
|
||
is_traditional_message = (
|
||
_is_web_agent_traditional_message(prompt)
|
||
or _has_web_agent_traditional_interaction(str(current_user.id))
|
||
)
|
||
if is_traditional_message:
|
||
denied_message = _ensure_web_agent_command_allowed(current_user)
|
||
if denied_message:
|
||
return StreamingResponse(
|
||
iter([
|
||
_build_web_agent_sse(
|
||
"error",
|
||
{"message": denied_message},
|
||
)
|
||
]),
|
||
media_type="text/event-stream",
|
||
)
|
||
unknown_command_message = _get_web_agent_unknown_command_message(prompt)
|
||
if unknown_command_message:
|
||
return StreamingResponse(
|
||
iter([
|
||
_build_web_agent_sse(
|
||
"error",
|
||
{"message": unknown_command_message},
|
||
)
|
||
]),
|
||
media_type="text/event-stream",
|
||
)
|
||
|
||
session_id = _build_web_agent_session_id(current_user, payload.session_id)
|
||
user_attachments = _build_web_agent_input_attachments(
|
||
images=payload.images or [],
|
||
files=[
|
||
file.model_dump(exclude_none=True)
|
||
for file in (payload.files or [])
|
||
],
|
||
audio_refs=payload.audio_refs or [],
|
||
)
|
||
display_messages = []
|
||
if payload.echo_user:
|
||
display_messages.append(
|
||
MoviePilotAgent.build_display_message(
|
||
role="user",
|
||
content=display_prompt or prompt,
|
||
attachments=user_attachments,
|
||
)
|
||
)
|
||
|
||
async def traditional_event_generator() -> AsyncIterator[str]:
|
||
"""
|
||
生成传统消息链路的 WebAgent SSE 事件。
|
||
"""
|
||
yield _build_web_agent_sse("start", {"session_id": session_id})
|
||
events = await _collect_web_agent_traditional_events(
|
||
text=prompt,
|
||
current_user=current_user,
|
||
original_message_id=payload.original_message_id,
|
||
original_chat_id=payload.original_chat_id,
|
||
)
|
||
assistant_message = _build_web_agent_display_message_from_events(events)
|
||
display_messages.append(assistant_message)
|
||
for event in events:
|
||
event_payload = copy.deepcopy(event)
|
||
yield _build_web_agent_sse(event_payload.pop("type"), event_payload)
|
||
if await request.is_disconnected():
|
||
break
|
||
await run_in_threadpool(
|
||
_save_web_agent_display_snapshot,
|
||
session_id=session_id,
|
||
current_user=current_user,
|
||
messages=display_messages,
|
||
client_session_id=payload.session_id or session_id,
|
||
)
|
||
yield _build_web_agent_sse("done", {})
|
||
|
||
return StreamingResponse(
|
||
traditional_event_generator(),
|
||
media_type="text/event-stream",
|
||
headers={
|
||
"Cache-Control": "no-cache",
|
||
"Connection": "keep-alive",
|
||
"X-Accel-Buffering": "no",
|
||
},
|
||
)
|
||
|
||
if not settings.AI_AGENT_ENABLE:
|
||
return StreamingResponse(
|
||
iter([
|
||
_build_web_agent_sse(
|
||
"error",
|
||
{"message": "智能助手未启用，请先在系统设置中开启。"},
|
||
)
|
||
]),
|
||
media_type="text/event-stream",
|
||
)
|
||
|
||
transcript = _transcribe_web_agent_audio_refs(payload.audio_refs or [])
|
||
prompt = _merge_web_agent_prompt_with_transcript(prompt, transcript)
|
||
display_prompt = _merge_web_agent_prompt_with_transcript(display_prompt, transcript)
|
||
has_audio_input = bool(transcript)
|
||
if not prompt and payload.audio_refs and not payload.images and not payload.files:
|
||
return StreamingResponse(
|
||
iter([
|
||
_build_web_agent_sse(
|
||
"error",
|
||
{"message": "语音识别失败，请稍后重试。"},
|
||
)
|
||
]),
|
||
media_type="text/event-stream",
|
||
)
|
||
if not prompt and not payload.images and not payload.files and not payload.audio_refs:
|
||
return StreamingResponse(
|
||
iter([
|
||
_build_web_agent_sse(
|
||
"error",
|
||
{"message": "请输入要发送给智能助手的内容或选择附件。"},
|
||
)
|
||
]),
|
||
media_type="text/event-stream",
|
||
)
|
||
|
||
session_id = _build_web_agent_session_id(current_user, payload.session_id)
|
||
MessageChain().bind_user_session(str(current_user.id), session_id)
|
||
event_queue: asyncio.Queue = asyncio.Queue()
|
||
last_output = ""
|
||
user_attachments = _build_web_agent_input_attachments(
|
||
images=payload.images or [],
|
||
files=[
|
||
file.model_dump(exclude_none=True)
|
||
for file in (payload.files or [])
|
||
],
|
||
audio_refs=payload.audio_refs or [],
|
||
)
|
||
display_messages = []
|
||
if payload.echo_user:
|
||
user_display_message = MoviePilotAgent.build_display_message(
|
||
role="user",
|
||
content=display_prompt or prompt,
|
||
attachments=user_attachments,
|
||
)
|
||
if payload.choice_selection:
|
||
user_display_message["choice_selection"] = payload.choice_selection
|
||
display_messages.append(user_display_message)
|
||
assistant_display_message = MoviePilotAgent.build_display_message(
|
||
role="assistant",
|
||
status="streaming",
|
||
)
|
||
display_messages.append(assistant_display_message)
|
||
|
||
def output_callback(output: str) -> None:
|
||
"""
|
||
接收 Agent 累积输出并转成增量事件。
|
||
"""
|
||
nonlocal last_output
|
||
delta = output[len(last_output):] if output.startswith(last_output) else output
|
||
last_output = output
|
||
for item in _split_web_agent_output(delta):
|
||
_apply_web_agent_display_event(item, assistant_display_message)
|
||
event_queue.put_nowait(item)
|
||
|
||
def notification_callback(notification: schemas.Notification) -> None:
|
||
"""
|
||
接收 Agent 工具主动发送的 Web 通知。
|
||
"""
|
||
for item in _build_web_agent_notification_events(notification):
|
||
_apply_web_agent_display_event(item, assistant_display_message)
|
||
event_queue.put_nowait(item)
|
||
|
||
async def event_generator() -> AsyncIterator[str]:
|
||
"""
|
||
生成前端 Agent SSE 事件。
|
||
"""
|
||
audio_ref_set = set(payload.audio_refs or [])
|
||
files = [
|
||
file.model_dump(exclude_none=True)
|
||
for file in (payload.files or [])
|
||
if file.ref not in audio_ref_set
|
||
]
|
||
for audio_ref in payload.audio_refs or []:
|
||
files.append({"ref": audio_ref, "mime_type": "audio/*"})
|
||
|
||
async def run_agent() -> None:
|
||
"""后台执行 Agent，并将结果写入事件队列。"""
|
||
try:
|
||
await agent_manager.process_message(
|
||
session_id=session_id,
|
||
user_id=str(current_user.id),
|
||
message=prompt,
|
||
images=payload.images or [],
|
||
files=files or None,
|
||
has_audio_input=has_audio_input,
|
||
channel=MessageChannel.WebAgent.value,
|
||
source=WEB_AGENT_SOURCE,
|
||
username=current_user.name,
|
||
reply_mode=ReplyMode.CAPTURE_ONLY,
|
||
allow_message_tools=True,
|
||
output_callback=output_callback,
|
||
notification_callback=notification_callback,
|
||
agent_factory=_WebAgentMoviePilotAgent,
|
||
wait_for_completion=True,
|
||
)
|
||
except Exception as err:
|
||
logger.error(f"Web智能助手执行失败: {str(err)}")
|
||
error_event = {
|
||
"type": "error",
|
||
"message": f"智能助手执行失败: {str(err)}",
|
||
}
|
||
_apply_web_agent_display_event(error_event, assistant_display_message)
|
||
await event_queue.put(error_event)
|
||
finally:
|
||
done_event = {"type": "done"}
|
||
_apply_web_agent_display_event(done_event, assistant_display_message)
|
||
await run_in_threadpool(
|
||
_save_web_agent_display_snapshot,
|
||
session_id=session_id,
|
||
current_user=current_user,
|
||
messages=display_messages,
|
||
client_session_id=payload.session_id or session_id,
|
||
)
|
||
await event_queue.put(done_event)
|
||
|
||
task = asyncio.create_task(run_agent())
|
||
_WEB_AGENT_BACKGROUND_TASKS.add(task)
|
||
task.add_done_callback(_WEB_AGENT_BACKGROUND_TASKS.discard)
|
||
try:
|
||
yield _build_web_agent_sse(
|
||
"start",
|
||
{"session_id": session_id},
|
||
)
|
||
disconnected = False
|
||
while not global_vars.is_system_stopped:
|
||
if await request.is_disconnected():
|
||
disconnected = True
|
||
break
|
||
event = await event_queue.get()
|
||
yield _build_web_agent_sse(event.pop("type"), event)
|
||
if task.done() and event_queue.empty():
|
||
break
|
||
except asyncio.CancelledError:
|
||
disconnected = True
|
||
return
|
||
finally:
|
||
if not task.done() and not disconnected:
|
||
task.cancel()
|
||
try:
|
||
await task
|
||
except asyncio.CancelledError:
|
||
pass
|
||
# 客户端退到后台导致 SSE 断开时，保留后台 Agent 继续执行；完成后会保存展示快照，
|
||
# 前端恢复可见时可通过会话详情接口拉取最终状态。
|
||
|
||
return StreamingResponse(
|
||
event_generator(),
|
||
media_type="text/event-stream",
|
||
headers={
|
||
"Cache-Control": "no-cache",
|
||
"Connection": "keep-alive",
|
||
"X-Accel-Buffering": "no",
|
||
},
|
||
)
|