k1nq
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import uuid
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from sqlalchemy import select
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models import OutboxEvent, Payment
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from app.schemas import PaymentCreate, PaymentCreatedEvent
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async def create_payment(
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session: AsyncSession,
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request: PaymentCreate,
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idempotency_key: str,
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) -> Payment:
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payment_id = uuid.uuid4()
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payment = Payment(
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id=payment_id,
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amount=request.amount,
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currency=request.currency,
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description=request.description,
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metadata_=request.metadata,
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idempotency_key=idempotency_key,
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webhook_url=str(request.webhook_url),
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)
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event = PaymentCreatedEvent(payment_id=payment_id)
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outbox_event = OutboxEvent(
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aggregate_id=payment_id,
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event_type="payment.created",
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payload=event.model_dump(mode="json"),
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)
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session.add_all((payment, outbox_event))
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try:
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await session.commit()
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except IntegrityError:
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await session.rollback()
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existing = await session.scalar(
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select(Payment).where(Payment.idempotency_key == idempotency_key)
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)
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if existing is None:
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raise
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return existing
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return payment
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async def get_payment(session: AsyncSession, payment_id: uuid.UUID) -> Payment | None:
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return await session.get(Payment, payment_id)
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