Files
aios/active-runtime/app/task_event_bridge.py
T
2026-07-09 14:45:09 +08:00

130 lines
3.8 KiB
Python

"""Task Center event bridge.
Converts task lifecycle actions and agent execution events into normalized AIOS
Task Center events. Uses duck-typed Agent Event Bus publisher when available and
an in-memory fallback for tests/offline runs.
"""
from __future__ import annotations
from dataclasses import asdict, dataclass, field
from datetime import datetime, timezone
from typing import Any, Protocol
from uuid import uuid4
def utc_now() -> str:
return datetime.now(timezone.utc).isoformat()
class TaskEventPublisher(Protocol):
def publish(
self,
kind: str,
source: str,
target: str,
summary: str,
payload: dict[str, Any],
correlation_id: str | None = None,
) -> dict[str, Any]:
...
@dataclass(frozen=True)
class TaskEvent:
id: str
kind: str
source: str
target: str
summary: str
payload: dict[str, Any]
correlation_id: str | None = None
created_at: str = field(default_factory=utc_now)
def to_dict(self) -> dict[str, Any]:
return asdict(self)
class InMemoryTaskEventBus:
def __init__(self):
self.events: list[dict[str, Any]] = []
def publish(
self,
kind: str,
source: str,
target: str,
summary: str,
payload: dict[str, Any],
correlation_id: str | None = None,
) -> dict[str, Any]:
event = TaskEvent(
id=f"task_evt_{uuid4().hex[:12]}",
kind=kind,
source=source,
target=target,
summary=summary,
payload=payload,
correlation_id=correlation_id,
).to_dict()
self.events.append(event)
return event
class TaskEventBridge:
def __init__(self, bus: TaskEventPublisher | None = None):
self.bus = bus or InMemoryTaskEventBus()
def task_created(self, task: dict[str, Any]) -> dict[str, Any]:
return self.bus.publish(
kind="task_created",
source=task.get("assigned_by", "unknown"),
target=task.get("executor", "task-center"),
summary=task.get("title", "task created"),
payload=task,
correlation_id=task.get("task_id"),
)
def task_updated(self, task: dict[str, Any], action: str) -> dict[str, Any]:
return self.bus.publish(
kind="task_updated",
source=task.get("executor", "task-center"),
target="task-center",
summary=f"task {action}: {task.get('status')}",
payload={"action": action, "task": task},
correlation_id=task.get("task_id"),
)
def task_blocked(self, task: dict[str, Any], reason: str) -> dict[str, Any]:
return self.bus.publish(
kind="task_blocked",
source=task.get("executor", "unknown"),
target="owner-gate",
summary=reason,
payload={"task": task, "reason": reason},
correlation_id=task.get("task_id"),
)
def approval_requested(self, task: dict[str, Any], reason: str) -> dict[str, Any]:
return self.bus.publish(
kind="task_approval_requested",
source=task.get("executor", "unknown"),
target="owner-gate",
summary=reason,
payload={"task": task, "reason": reason},
correlation_id=task.get("task_id"),
)
def notification_sent(self, task: dict[str, Any], channel: str) -> dict[str, Any]:
return self.bus.publish(
kind="task_notification_sent",
source="notification-agent",
target=task.get("assigned_by", "owner"),
summary=f"notification sent via {channel}",
payload={"task": task, "channel": channel},
correlation_id=task.get("task_id"),
)
__all__ = ["TaskEvent", "InMemoryTaskEventBus", "TaskEventBridge"]