feature: sync user email notifications

backend/bot/services/subscription_service_impl/devices.py

@@ -357,6 +357,15 @@ class HwidDeviceMixin:
             valid_from=valid_from,
             valid_until=valid_until,
         )
+        await self._send_payment_success_email(
+            db_user=db_user,
+            sale_mode="hwid_devices_renewal" if renewal else "hwid_devices",
+            months=purchased_devices,
+            traffic_gb=None,
+            payment_amount=payment_amount,
+            end_date=valid_until,
+            provider=provider,
+        )
         return {
             "subscription_id": updated_sub.subscription_id,
             "end_date": updated_sub.end_date,

backend/bot/services/subscription_service_impl/lifecycle.py

@@ -444,6 +444,17 @@ class SubscriptionLifecycleMixin:
                     )
                     result["end_date"] = sub.end_date
                     result["is_active"] = sub.is_active
+                    db_user = await user_dal.get_user_by_id(session, user_id)
+                    if db_user:
+                        await self._send_payment_success_email(
+                            db_user=db_user,
+                            sale_mode="tariff_upgrade",
+                            months=0,
+                            traffic_gb=None,
+                            payment_amount=payment_amount,
+                            end_date=sub.end_date,
+                            provider=provider,
+                        )
             return result
 
         tariff = self._resolve_tariff(tariff_key, "period") if self._tariffs_config() else None

backend/bot/services/subscription_service_impl/payments.py

@@ -93,7 +93,7 @@ class PaymentContextMixin:
         """Best-effort branded email confirming the payment. No-op if SMTP or
         the user's email aren't set. Failures are logged and swallowed so the
         payment flow is never blocked by mail delivery."""
-        if not self.settings.email_auth_configured:
+        if not getattr(self.settings, "email_auth_configured", False):
             return
         recipient = (db_user.email or "").strip() if db_user else ""
         if not recipient:

backend/bot/services/subscription_service_impl/traffic.py

@@ -269,6 +269,15 @@ class TrafficMixin:
             purchased_bytes=purchase_bytes,
             kind="topup",
         )
+        await self._send_payment_success_email(
+            db_user=db_user,
+            sale_mode="topup",
+            months=0,
+            traffic_gb=float(traffic_gb),
+            payment_amount=payment_amount,
+            end_date=getattr(updated_sub, "end_date", None),
+            provider=provider,
+        )
         return {
             "subscription_id": sub.subscription_id,
             "traffic_limit_bytes": new_limit,
@@ -376,6 +385,15 @@ class TrafficMixin:
             purchased_bytes=purchase_bytes,
             kind="premium_topup",
         )
+        await self._send_payment_success_email(
+            db_user=db_user,
+            sale_mode="premium_topup",
+            months=0,
+            traffic_gb=float(traffic_gb),
+            payment_amount=payment_amount,
+            end_date=getattr(sub, "end_date", None),
+            provider=provider,
+        )
         return {
             "subscription_id": sub.subscription_id,
             "premium_limit_bytes": premium_limit,