From 071b9f2b25b1f271114cb6d9f8f05876b4f56a46 Mon Sep 17 00:00:00 2001
From: 3252a8 <3252a8@proton.me>
Date: Sun, 17 May 2026 09:46:48 +0300
Subject: [PATCH] fix: add missing _PROVIDER_LABELS to PaymentContextMixin

---
 .../services/subscription_service_impl/payments.py  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/backend/bot/services/subscription_service_impl/payments.py b/backend/bot/services/subscription_service_impl/payments.py
index fc817c2..d9f2df6 100644
--- a/backend/bot/services/subscription_service_impl/payments.py
+++ b/backend/bot/services/subscription_service_impl/payments.py
@@ -3,6 +3,19 @@ from ._runtime import *  # noqa: F403,F405
 
 
 class PaymentContextMixin:
+    # Human-readable provider names rendered in payment-success emails.
+    # Keys are the lowercased value persisted in ``subscriptions.provider``
+    # (see the call sites in lifecycle.py / traffic.py); missing keys produce
+    # no row in the email rather than raising.
+    _PROVIDER_LABELS = {
+        "yookassa": "YooKassa",
+        "freekassa": "FreeKassa",
+        "platega": "Platega",
+        "severpay": "SeverPay",
+        "cryptopay": "Crypto Pay",
+        "telegram_stars": "Telegram Stars",
+    }
+
     async def _record_payment_context(
         self,
         session: AsyncSession,