feat: добавлена поддержка RioPay для лендингов и подарков

- Добавлен RioPay в create_guest_payment (landing/gift покупки)
- user_id в RioPayPayment теперь nullable (для гостевых платежей)
- Добавлен guest purchase flow в _finalize_riopay_payment
- Миграция 0039: riopay_payments.user_id nullable

app/database/crud/riopay.py

@@ -15,7 +15,7 @@ logger = structlog.get_logger(__name__)
 async def create_riopay_payment(
     db: AsyncSession,
     *,
-    user_id: int,
+    user_id: int | None,
     order_id: str,
     amount_kopeks: int,
     currency: str = 'RUB',

app/services/payment/riopay.py

@@ -42,7 +42,7 @@ class RioPayPaymentMixin:
         self,
         db: AsyncSession,
         *,
-        user_id: int,
+        user_id: int | None,
         amount_kopeks: int,
         description: str = 'Пополнение баланса',
         email: str | None = None,
@@ -277,6 +277,20 @@ class RioPayPaymentMixin:
             logger.info('RioPay платеж уже привязан к транзакции', order_id=payment.order_id, trigger=trigger)
             return True
 
+        # --- Guest purchase flow (landing page / gift) ---
+        riopay_metadata = dict(getattr(payment, 'metadata_json', {}) or {})
+        from app.services.payment.common import try_fulfill_guest_purchase
+
+        guest_result = await try_fulfill_guest_purchase(
+            db,
+            metadata=riopay_metadata,
+            payment_amount_kopeks=payment.amount_kopeks,
+            provider_payment_id=str(riopay_order_id) if riopay_order_id else payment.order_id,
+            provider_name='riopay',
+        )
+        if guest_result is not None:
+            return True
+
         # Получаем пользователя
         user = await get_user_by_id(db, payment.user_id)
         if not user:

app/services/payment_service.py

@@ -692,6 +692,29 @@ class PaymentService(
                 }
             return None
 
+        # --- RioPay -----------------------------------------------------------
+        if payment_method == 'riopay':
+            if not settings.is_riopay_enabled():
+                logger.warning('RioPay is not enabled, cannot create guest payment')
+                return None
+
+            result = await self.create_riopay_payment(
+                db=db,
+                user_id=None,
+                amount_kopeks=amount_kopeks,
+                description=description,
+                success_url=return_url,
+                fail_url=return_url,
+            )
+            if result:
+                await _patch_guest_metadata(result['local_payment_id'], 'riopay')
+                return {
+                    'payment_url': result.get('payment_url'),
+                    'payment_id': result.get('riopay_order_id') or result.get('order_id'),
+                    'provider': 'riopay',
+                }
+            return None
+
         # --- Telegram Stars ---------------------------------------------------
         if payment_method == 'telegram_stars':
             if not settings.TELEGRAM_STARS_ENABLED:

migrations/alembic/versions/0039_riopay_user_id_nullable.py

@@ -0,0 +1,27 @@
+"""make riopay_payments.user_id nullable for guest purchases
+
+Revision ID: 0039
+Revises: 0038
+Create Date: 2026-03-18
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = '0039'
+down_revision: Union[str, None] = '0038'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table('riopay_payments') as batch_op:
+        batch_op.alter_column('user_id', existing_type=sa.Integer(), nullable=True)
+
+
+def downgrade() -> None:
+    with op.batch_alter_table('riopay_payments') as batch_op:
+        batch_op.alter_column('user_id', existing_type=sa.Integer(), nullable=False)