54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
import asyncio
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from uuid import UUID, uuid4
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from .models import CurrentStatus, Monitor, MonitorCreate, MonitorUpdate, utc_now
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class MonitorStore:
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"""Concurrency-safe process-local monitor state."""
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def __init__(self) -> None:
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self._items: dict[UUID, Monitor] = {}
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self._lock = asyncio.Lock()
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async def create(self, data: MonitorCreate) -> Monitor:
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now = utc_now()
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item = Monitor(
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id=uuid4(), name=data.name, url=data.url, created_at=now,
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updated_at=now, status=CurrentStatus(),
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)
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async with self._lock:
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self._items[item.id] = item
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return item
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async def list(self) -> list[Monitor]:
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async with self._lock:
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return sorted(self._items.values(), key=lambda item: item.created_at)
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async def get(self, monitor_id: UUID) -> Monitor | None:
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async with self._lock:
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return self._items.get(monitor_id)
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async def update(self, monitor_id: UUID, data: MonitorUpdate) -> Monitor | None:
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changes = data.model_dump(exclude_unset=True)
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async with self._lock:
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item = self._items.get(monitor_id)
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if item is None:
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return None
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updated = item.model_copy(update={**changes, "updated_at": utc_now()})
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self._items[monitor_id] = updated
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return updated
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async def delete(self, monitor_id: UUID) -> bool:
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async with self._lock:
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return self._items.pop(monitor_id, None) is not None
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async def set_status(self, monitor_id: UUID, status: CurrentStatus) -> Monitor | None:
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async with self._lock:
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item = self._items.get(monitor_id)
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if item is None:
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return None
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updated = item.model_copy(update={"status": status})
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self._items[monitor_id] = updated
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return updated
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