Files
remnawave-bedolaga-telegram…/app/webapi/background/backup_tasks.py
2025-09-28 14:04:17 +05:00

74 lines
2.2 KiB
Python

from __future__ import annotations
import asyncio
import uuid
from dataclasses import dataclass, field
from datetime import datetime
from typing import Any, Optional
from app.services.backup_service import backup_service
@dataclass(slots=True)
class BackupTaskState:
task_id: str
status: str = "queued"
message: Optional[str] = None
file_path: Optional[str] = None
created_by: Optional[int] = None
created_at: datetime = field(default_factory=datetime.utcnow)
updated_at: datetime = field(default_factory=datetime.utcnow)
class BackupTaskManager:
def __init__(self) -> None:
self._tasks: dict[str, BackupTaskState] = {}
self._lock = asyncio.Lock()
async def enqueue(self, *, created_by: Optional[int]) -> BackupTaskState:
task_id = uuid.uuid4().hex
state = BackupTaskState(task_id=task_id, created_by=created_by)
async with self._lock:
self._tasks[task_id] = state
asyncio.create_task(self._run_task(state))
return state
async def _run_task(self, state: BackupTaskState) -> None:
state.status = "running"
state.updated_at = datetime.utcnow()
try:
success, message, file_path = await backup_service.create_backup(
created_by=state.created_by
)
state.message = message
state.file_path = file_path
state.status = "completed" if success else "failed"
except Exception as exc: # noqa: BLE001
state.status = "failed"
state.message = f"Unexpected error: {exc}"
finally:
state.updated_at = datetime.utcnow()
async def get(self, task_id: str) -> Optional[BackupTaskState]:
async with self._lock:
return self._tasks.get(task_id)
async def list(self, *, active_only: bool = False) -> list[BackupTaskState]:
async with self._lock:
states = list(self._tasks.values())
if active_only:
return [
state
for state in states
if state.status in {"queued", "running"}
]
return states
backup_task_manager = BackupTaskManager()