"""Agent 自主定时任务统一工具。""" import json from datetime import datetime, timedelta from typing import Literal, Optional, Type, cast import pytz # type: ignore[import-untyped] from pydantic import BaseModel, Field, model_validator from app.agent.tools.base import MoviePilotTool from app.agent.tools.tags import ToolTag from app.application.agenttask import agent_task_run_to_dict, agent_task_to_dict from app.runtime.scheduling import TimerUtils from app.runtime.settings import get_runtime_setting AgentTaskAction = Literal["create", "list", "update", "run", "delete"] AgentTaskTriggerType = Literal["date", "cron"] class AgentTaskInput(BaseModel): # type: ignore[misc] """统一管理 Agent 自主定时任务的输入参数。""" action: AgentTaskAction = Field( ..., description=( "Action to perform: create, list, update, run, or delete. " "Use list before changing a task when its integer task_id is unknown." ), ) task_id: Optional[int] = Field( None, ge=1, description="Task ID for list, update, run, or delete.", ) name: Optional[str] = Field( None, min_length=1, max_length=100, description="Task name for create or update.", ) content: Optional[str] = Field( None, min_length=1, max_length=10000, description="Complete instructions for create or update.", ) trigger_type: Optional[AgentTaskTriggerType] = Field( None, description="Use date for one future run or cron for recurring work.", ) trigger: Optional[str] = Field( None, min_length=1, max_length=200, description="ISO 8601 date or standard five-field cron expression.", ) delay_minutes: Optional[int] = Field( None, ge=1, le=525600, description=("Relative delay for a one-time date task. Use instead of trigger with trigger_type=date."), ) enabled: Optional[bool] = Field( None, description=("For list, optionally filter by enabled state. For update, set false to pause or true to resume."), ) @model_validator(mode="after") # type: ignore[misc] def validate_action(self) -> "AgentTaskInput": """按动作校验必填字段和触发参数组合。""" if self.name is not None: self.name = self.name.strip() if not self.name: raise ValueError("name 不能只包含空白字符") if self.content is not None: self.content = self.content.strip() if not self.content: raise ValueError("content 不能只包含空白字符") if self.action == "create": if self.name is None or self.content is None or self.trigger_type is None: raise ValueError("create 必须提供 name、content 和 trigger_type") self._validate_schedule(require_schedule=True, normalize_exact=True) elif self.action == "update": if self.task_id is None: raise ValueError("update 必须提供 task_id") has_schedule_update = any( value is not None for value in (self.trigger_type, self.trigger, self.delay_minutes) ) if has_schedule_update: self._validate_schedule(require_schedule=True, normalize_exact=False) if all( value is None for value in ( self.name, self.content, self.trigger_type, self.enabled, ) ): raise ValueError("update 至少需要提供一个要更新的字段") elif self.action in {"run", "delete"} and self.task_id is None: raise ValueError(f"{self.action} 必须提供 task_id") return self def _validate_schedule( self, *, require_schedule: bool, normalize_exact: bool, ) -> None: """校验 date/cron 触发组合,并按需规范化绝对触发值。""" if require_schedule and self.trigger_type is None: raise ValueError("修改触发配置时必须提供 trigger_type") if self.trigger_type == "date": if self.delay_minutes is not None: self.trigger = None return if self.trigger is None: raise ValueError("date 任务必须提供 trigger 或 delay_minutes") elif self.trigger_type == "cron": if self.trigger is None or self.delay_minutes is not None: raise ValueError("cron 任务必须提供 trigger,且不能提供 delay_minutes") if normalize_exact and self.trigger_type is not None: normalized_type, normalized_trigger = TimerUtils.normalize_schedule_trigger( trigger_type=self.trigger_type, trigger_value=self.trigger, # type: ignore[arg-type] timezone_name=get_runtime_setting("TZ"), require_future=True, ) self.trigger_type = cast(AgentTaskTriggerType, normalized_type) self.trigger = normalized_trigger class AgentTaskTool(MoviePilotTool): """通过一个动作式接口管理当前用户的自主定时任务。""" name: str = "agent_task" tags: list[str] = [ ToolTag.Read, ToolTag.Write, ToolTag.AgentTask, ToolTag.Admin, ] description: str = ( "Manage persistent autonomous agent tasks with one structured action. Use create " "for explicitly requested delayed or recurring work, list to inspect current-user " "tasks, update to change or pause one, run to queue one immediately, and delete " "to permanently remove it. Task IDs are integers and are not scheduler job IDs." ) args_schema: Type[BaseModel] = AgentTaskInput require_admin: bool = True def get_tool_message(self, **kwargs: object) -> Optional[str]: """生成统一任务操作的用户可见提示。""" action = str(kwargs.get("action") or "list") action_name = { "create": "创建", "list": "查询", "update": "更新", "run": "立即执行", "delete": "删除", }.get(action, action) target = kwargs.get("task_id") or kwargs.get("name") or "" return f"{action_name}自主定时任务:{target}".rstrip(":") @staticmethod def _absolute_trigger(payload: AgentTaskInput) -> str: """将相对分钟或绝对表达式转换为规范化触发值。""" trigger_value = payload.trigger if payload.trigger_type == "date" and payload.delay_minutes is not None: timezone = pytz.timezone(get_runtime_setting("TZ")) trigger_value = (datetime.now(timezone) + timedelta(minutes=payload.delay_minutes)).isoformat( timespec="seconds" ) if payload.trigger_type is None: raise ValueError("Agent 定时任务缺少 trigger_type") if trigger_value is None: raise ValueError("date 任务必须提供 trigger 或 delay_minutes") _, normalized = TimerUtils.normalize_schedule_trigger( trigger_type=payload.trigger_type, trigger_value=trigger_value, timezone_name=get_runtime_setting("TZ"), require_future=True, ) return normalized def _create_task(self, payload: AgentTaskInput) -> dict[str, object]: """持久化任务并立即注册到运行时调度器。""" from app.application.scheduling import update_agent_task_job trigger_value = self._absolute_trigger(payload) if payload.name is None or payload.content is None or payload.trigger_type is None: raise ValueError("create 缺少必要参数") chat = self.data.chat.get_sync( session_id=self._session_id, user_id=self._user_id, ) task = self.data.tasks.add( name=payload.name, content=payload.content, trigger_type=payload.trigger_type, cron_expression=(trigger_value if payload.trigger_type == "cron" else None), run_at=trigger_value if payload.trigger_type == "date" else None, user_id=str(self._user_id), username=self._username or (chat.username if chat else None), session_id=str(self._session_id), channel=self._channel or (chat.channel if chat else None), source=self._source or (chat.source if chat else None), original_chat_id=chat.original_chat_id if chat else None, ) if task is None: raise RuntimeError("Agent 定时任务创建后无法读取") return agent_task_to_dict( task, next_run_at=update_agent_task_job(task.id), timezone=get_runtime_setting("TZ"), ) def _list_tasks( self, task_id: Optional[int], enabled: Optional[bool], ) -> list[dict[str, object]]: """读取当前用户任务及运行时下一次触发时间。""" from app.application.scheduling import get_agent_task_next_run oper = self.data.tasks if task_id is not None: task = oper.get(task_id=task_id, user_id=str(self._user_id)) tasks = [task] if task else [] else: tasks = oper.list(user_id=str(self._user_id), enabled=enabled) result: list[dict[str, object]] = [] for task in tasks: data = agent_task_to_dict( task, next_run_at=get_agent_task_next_run(task.id), timezone=get_runtime_setting("TZ"), ) if task_id is not None: data["recent_runs"] = [ agent_task_run_to_dict(run) for run in oper.list_runs( task_id=task.id, user_id=str(self._user_id), limit=10, ) ] result.append(data) return result def _update_task( self, payload: AgentTaskInput, ) -> Optional[dict[str, object]]: """更新当前用户任务并刷新运行时调度。""" from app.application.scheduling import update_agent_task_job if payload.task_id is None: raise ValueError("update 缺少 task_id") oper = self.data.tasks task = oper.get(task_id=payload.task_id, user_id=str(self._user_id)) if not task: return None if task.last_status == "running": return {"error": f"Agent 定时任务 {payload.task_id} 正在执行,请稍后再修改"} has_schedule_update = payload.trigger_type is not None trigger_type = payload.trigger_type or task.trigger_type trigger_value = payload.trigger if trigger_type == "date" and payload.delay_minutes is not None: timezone = pytz.timezone(get_runtime_setting("TZ")) trigger_value = (datetime.now(timezone) + timedelta(minutes=payload.delay_minutes)).isoformat( timespec="seconds" ) if trigger_value is None: trigger_value = task.cron_expression if trigger_type == "cron" else task.run_at normalized_type = trigger_type normalized_trigger = trigger_value validates_existing_date_schedule = bool( payload.enabled and task.last_status != "interrupted" and trigger_type == "date" ) if has_schedule_update or validates_existing_date_schedule: if trigger_value is None: raise ValueError("Agent 定时任务缺少触发配置") normalized_type, normalized_trigger = TimerUtils.normalize_schedule_trigger( trigger_type=trigger_type, trigger_value=trigger_value, timezone_name=get_runtime_setting("TZ"), require_future=bool( trigger_type == "date" and ( task.last_status == "interrupted" or (task.enabled if payload.enabled is None else payload.enabled) ) ), ) update_payload: dict[str, object] = {} if payload.name is not None: update_payload["name"] = payload.name if payload.content is not None: update_payload["content"] = payload.content if has_schedule_update: update_payload.update( { "trigger_type": normalized_type, "cron_expression": (normalized_trigger if normalized_type == "cron" else None), "run_at": (normalized_trigger if normalized_type == "date" else None), "last_status": "waiting", "last_result": None, } ) if payload.enabled is not None: update_payload["enabled"] = payload.enabled if payload.enabled and task.last_status != "interrupted": update_payload["last_status"] = "waiting" updated = oper.update( task_id=payload.task_id, payload=update_payload, user_id=str(self._user_id), ) if not updated: current = oper.get(task_id=payload.task_id, user_id=str(self._user_id)) if current and current.last_status == "running": return {"error": (f"Agent 定时任务 {payload.task_id} 正在执行,请稍后再修改")} return None updated_task = oper.get( task_id=payload.task_id, user_id=str(self._user_id), ) if updated_task is None: return None return agent_task_to_dict( updated_task, next_run_at=update_agent_task_job(payload.task_id), timezone=get_runtime_setting("TZ"), ) def _get_task_state(self, task_id: int) -> tuple[str, Optional[str]]: """校验任务归属和状态,返回可执行性及任务名称。""" task = self.data.tasks.get(task_id=task_id, user_id=str(self._user_id)) if not task: return "not_found", None if not task.enabled: return "disabled", task.name if task.last_status == "running": return "running", task.name return "ready", task.name def _delete_task(self, task_id: int) -> bool: """删除当前用户任务并移除运行时调度。""" from app.application.scheduling import remove_agent_task_job deleted = self.data.tasks.delete( task_id=task_id, user_id=str(self._user_id), ) if deleted: remove_agent_task_job(task_id) return deleted async def run( # type: ignore[override] self, action: AgentTaskAction, task_id: Optional[int] = None, name: Optional[str] = None, content: Optional[str] = None, trigger_type: Optional[AgentTaskTriggerType] = None, trigger: Optional[str] = None, delay_minutes: Optional[int] = None, enabled: Optional[bool] = None, **kwargs: object, ) -> str: """执行一项任务创建、查询、更新、立即运行或删除操作。""" payload = AgentTaskInput( action=action, task_id=task_id, name=name, content=content, trigger_type=trigger_type, trigger=trigger, delay_minutes=delay_minutes, enabled=enabled, ) if payload.action == "create": if not get_runtime_setting("AI_AGENT_ENABLE"): return "AI Agent 未启用,无法创建自主定时任务" task = await self.run_blocking("db", self._create_task, payload) return json.dumps(task, ensure_ascii=False, indent=2) if payload.action == "list": tasks = await self.run_blocking( "db", self._list_tasks, payload.task_id, payload.enabled, ) return json.dumps( {"total": len(tasks), "tasks": tasks}, ensure_ascii=False, indent=2, ) if payload.action == "update": task = await self.run_blocking("db", self._update_task, payload) if not task: return f"Agent 定时任务 {payload.task_id} 不存在或不属于当前用户" if error := task.get("error"): return str(error) return json.dumps(task, ensure_ascii=False, indent=2) if payload.action == "run": return await self._run_now(payload.task_id) return await self._delete(payload.task_id) async def _run_now(self, task_id: Optional[int]) -> str: """立即提交一项已启用且属于当前用户的任务。""" from app.application.scheduling import start_agent_task if task_id is None: raise ValueError("run 缺少 task_id") status, task_name = await self.run_blocking( "db", self._get_task_state, task_id, ) if status == "not_found": return f"Agent 定时任务 {task_id} 不存在或不属于当前用户" if status == "disabled": return f"Agent 定时任务 {task_id} 已暂停,请先恢复后再执行" if status == "running": return f"Agent 定时任务 {task_id} 正在执行,请勿重复触发" if not start_agent_task(task_id): return f"Agent 定时任务 {task_id} 尚未注册到运行时调度器,无法立即执行" return f"Agent 定时任务 {task_id} 已提交立即执行:{task_name}。执行完成后将通过已配置的通知渠道广播结果" async def _delete(self, task_id: Optional[int]) -> str: """永久删除一项属于当前用户的自主定时任务。""" if task_id is None: raise ValueError("delete 缺少 task_id") deleted = await self.run_blocking("db", self._delete_task, task_id) if not deleted: return f"Agent 定时任务 {task_id} 不存在或不属于当前用户" return f"Agent 定时任务 {task_id} 已删除"