c0mrade
9a2aea038a
- Add pyproject.toml with uv and ruff configuration - Pin Python version to 3.13 via .python-version - Add Makefile commands: lint, format, fix - Apply ruff formatting to entire codebase - Remove unused imports (base64 in yookassa/simple_subscription) - Update .gitignore for new config files
126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
"""High level integration with PayPalych API."""
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from __future__ import annotations
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import logging
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from datetime import datetime, timedelta
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from decimal import Decimal
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from typing import Any
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from app.config import settings
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from app.external.pal24_client import Pal24APIError, Pal24Client
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logger = logging.getLogger(__name__)
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class Pal24Service:
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"""Wrapper around :class:`Pal24Client` providing domain helpers."""
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BILL_SUCCESS_STATES = {'SUCCESS', 'OVERPAID'}
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BILL_FAILED_STATES = {'FAIL', 'CANCELLED'}
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BILL_PENDING_STATES = {'NEW', 'PROCESS', 'UNDERPAID'}
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def __init__(self, client: Pal24Client | None = None) -> None:
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self.client = client or Pal24Client()
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@property
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def is_configured(self) -> bool:
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return self.client.is_configured and settings.is_pal24_enabled()
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async def create_bill(
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self,
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*,
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amount_kopeks: int,
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user_id: int,
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order_id: str,
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description: str,
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ttl_seconds: int | None = None,
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custom_payload: dict[str, Any] | None = None,
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payer_email: str | None = None,
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payment_method: str | None = None,
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) -> dict[str, Any]:
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if not self.is_configured:
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raise Pal24APIError('Pal24 service is not configured')
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amount_decimal = Pal24Client.normalize_amount(amount_kopeks)
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extra_payload: dict[str, Any] = {
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'custom': custom_payload or {},
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'ttl': ttl_seconds,
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}
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if payer_email:
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extra_payload['payer_email'] = payer_email
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if payment_method:
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extra_payload['payment_method'] = payment_method
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filtered_payload = {k: v for k, v in extra_payload.items() if v not in (None, {})}
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logger.info(
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'Создаем Pal24 счет: user_id=%s, order_id=%s, amount=%s, ttl=%s',
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user_id,
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order_id,
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amount_decimal,
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ttl_seconds,
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)
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response = await self.client.create_bill(
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amount=amount_decimal,
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shop_id=settings.PAL24_SHOP_ID,
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order_id=order_id,
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description=description,
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type_='normal',
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**filtered_payload,
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)
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logger.info('Pal24 счет создан: %s', response)
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return response
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async def get_bill_status(self, bill_id: str) -> dict[str, Any]:
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logger.debug('Запрашиваем статус Pal24 счета %s', bill_id)
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return await self.client.get_bill_status(bill_id)
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async def get_payment_status(self, payment_id: str) -> dict[str, Any]:
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logger.debug('Запрашиваем статус Pal24 платежа %s', payment_id)
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return await self.client.get_payment_status(payment_id)
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async def get_bill_payments(self, bill_id: str) -> dict[str, Any]:
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"""Возвращает список платежей, связанных со счетом."""
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logger.debug('Запрашиваем платежи Pal24 счёта %s', bill_id)
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return await self.client.get_bill_payments(bill_id)
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@staticmethod
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def parse_callback(payload: dict[str, Any]) -> dict[str, Any]:
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required_fields = ['InvId', 'OutSum', 'Status', 'SignatureValue']
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missing = [field for field in required_fields if field not in payload]
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if missing:
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raise Pal24APIError(f'Pal24 callback missing fields: {", ".join(missing)}')
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inv_id = str(payload['InvId'])
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out_sum = str(payload['OutSum'])
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signature = str(payload['SignatureValue'])
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if not Pal24Client.verify_signature(out_sum, inv_id, signature):
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raise Pal24APIError('Pal24 callback signature mismatch')
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logger.info(
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'Получен Pal24 callback: InvId=%s, Status=%s, TrsId=%s',
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inv_id,
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payload.get('Status'),
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payload.get('TrsId'),
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)
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return payload
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@staticmethod
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def convert_to_kopeks(amount: str) -> int:
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decimal_amount = Decimal(str(amount))
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return int((decimal_amount * Decimal(100)).quantize(Decimal(1)))
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@staticmethod
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def get_expiration(ttl_seconds: int | None) -> datetime | None:
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if not ttl_seconds:
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return None
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return datetime.utcnow() + timedelta(seconds=ttl_seconds)
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