Files
lux_fiscal/backend/app/worker.py
T
lauadminandClaude Opus 5.5 8b3c2b6d63 Bind Nova Poshta API key to cash register (#3)
Each cash register stores its own encrypted NP API key. Status polling uses
register keys and binds an order to the register whose key sees the TTN as
its own (PhoneSender present); ETTN receipts are created from that register.
Migration 0008 moves the old NOVA_POSHTA_API_KEY into the default register.

Closes #3

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-25 13:02:40 +03:00

78 lines
3.4 KiB
Python

"""ARQ worker: опрос Nova Poshta и ЕТТН-чеки Checkbox.
Запускается отдельным процессом: `arq app.worker.WorkerSettings`.
- `create_ettn_receipt` — задача, которую ставит API после запроса кассира;
- `poll_np_statuses` — раз в минуту статусы ТТН по ключам НП касс и привязка заказов к кассам;
- `poll_receipts` — раз в минуту повтор зависших `pending`, статусы `created`-чеков
и повтор смены статуса заказа в CRM (PACKED), если CRM была недоступна.
"""
from __future__ import annotations
import uuid
from typing import Any
from arq import Retry, cron, func
from arq.connections import RedisSettings
from app.core.config import settings
from app.core.logging import configure_logging, get_logger
from app.db.session import SessionFactory
from app.services import receipts as receipts_service
from app.services.checkbox.client import CheckboxRateLimitedError, get_checkbox_client
from app.services.crm.exo_client import ExoCrmClient
from app.services.nova_poshta.np_client import NpTrackingClient
from app.services.orders import sync_np_statuses
log = get_logger(__name__)
# Повторы `create_ettn_receipt` при лимите частоты: пауза retry_after + 5 с × номер попытки.
_RATE_LIMIT_BACKOFF = 5
_CREATE_ETTN_MAX_TRIES = 6
async def startup(ctx: dict[str, Any]) -> None:
configure_logging()
ctx["np_client"] = NpTrackingClient()
ctx["checkbox_client"] = get_checkbox_client()
ctx["crm_client"] = ExoCrmClient(settings)
log.info("worker_starting", environment=settings.environment)
async def poll_np_statuses(ctx: dict[str, Any]) -> None:
async with SessionFactory() as session:
await sync_np_statuses(session, ctx["np_client"])
log.info("np_statuses_polled")
async def create_ettn_receipt(ctx: dict[str, Any], receipt_id: str) -> None:
async with SessionFactory() as session:
try:
await receipts_service.create_ettn_for_receipt(
session, ctx["checkbox_client"], uuid.UUID(receipt_id)
)
except CheckboxRateLimitedError as exc:
# Лимит частоты Новой Почты: повтор с нарастающей паузой. Когда попытки
# кончатся, `pending`-чек подберёт cron `poll_receipts`.
raise Retry(defer=exc.retry_after + _RATE_LIMIT_BACKOFF * ctx["job_try"]) from exc
# Чек принят Checkbox — сразу переводим заказ в CRM в PACKED.
await receipts_service.sync_crm_statuses(session, ctx["crm_client"])
async def poll_receipts(ctx: dict[str, Any]) -> None:
async with SessionFactory() as session:
await receipts_service.retry_pending_receipts(session, ctx["checkbox_client"])
await receipts_service.sync_ettn_statuses(session, ctx["checkbox_client"])
await receipts_service.sync_crm_statuses(session, ctx["crm_client"])
log.info("receipts_polled")
class WorkerSettings:
redis_settings = RedisSettings.from_dsn(settings.redis_url)
on_startup = startup
functions = [func(create_ettn_receipt, max_tries=_CREATE_ETTN_MAX_TRIES)]
cron_jobs = [
cron(poll_np_statuses, minute=set(range(60)), run_at_startup=True),
cron(poll_receipts, minute=set(range(60)), second=30),
]