115 lines
3.7 KiB
Python

"""Cron tool for scheduling reminders and tasks."""
from typing import Any
from nanobot.agent.tools.base import Tool
from nanobot.cron.service import CronService
from nanobot.cron.types import CronSchedule
class CronTool(Tool):
"""Tool to schedule reminders and recurring tasks."""
def __init__(self, cron_service: CronService):
self._cron = cron_service
self._channel = ""
self._chat_id = ""
def set_context(self, channel: str, chat_id: str) -> None:
"""Set the current session context for delivery."""
self._channel = channel
self._chat_id = chat_id
@property
def name(self) -> str:
return "cron"
@property
def description(self) -> str:
return "Schedule reminders and recurring tasks. Actions: add, list, remove."
@property
def parameters(self) -> dict[str, Any]:
return {
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["add", "list", "remove"],
"description": "Action to perform"
},
"message": {
"type": "string",
"description": "Reminder message (for add)"
},
"every_seconds": {
"type": "integer",
"description": "Interval in seconds (for recurring tasks)"
},
"cron_expr": {
"type": "string",
"description": "Cron expression like '0 9 * * *' (for scheduled tasks)"
},
"job_id": {
"type": "string",
"description": "Job ID (for remove)"
}
},
"required": ["action"]
}
async def execute(
self,
action: str,
message: str = "",
every_seconds: int | None = None,
cron_expr: str | None = None,
job_id: str | None = None,
**kwargs: Any
) -> str:
if action == "add":
return self._add_job(message, every_seconds, cron_expr)
elif action == "list":
return self._list_jobs()
elif action == "remove":
return self._remove_job(job_id)
return f"Unknown action: {action}"
def _add_job(self, message: str, every_seconds: int | None, cron_expr: str | None) -> str:
if not message:
return "Error: message is required for add"
if not self._channel or not self._chat_id:
return "Error: no session context (channel/chat_id)"
# Build schedule
if every_seconds:
schedule = CronSchedule(kind="every", every_ms=every_seconds * 1000)
elif cron_expr:
schedule = CronSchedule(kind="cron", expr=cron_expr)
else:
return "Error: either every_seconds or cron_expr is required"
job = self._cron.add_job(
name=message[:30],
schedule=schedule,
message=message,
deliver=True,
channel=self._channel,
to=self._chat_id,
)
return f"Created job '{job.name}' (id: {job.id})"
def _list_jobs(self) -> str:
jobs = self._cron.list_jobs()
if not jobs:
return "No scheduled jobs."
lines = [f"- {j.name} (id: {j.id}, {j.schedule.kind})" for j in jobs]
return "Scheduled jobs:\n" + "\n".join(lines)
def _remove_job(self, job_id: str | None) -> str:
if not job_id:
return "Error: job_id is required for remove"
if self._cron.remove_job(job_id):
return f"Removed job {job_id}"
return f"Job {job_id} not found"