feat(promo): Добавлены промокоды на скидку в процентах

bot/services/subscription_service.py

@@ -5,7 +5,7 @@ from typing import Optional, Dict, Any, List, Tuple
 from aiogram import Bot
 from bot.middlewares.i18n import JsonI18n
 
-from db.dal import user_dal, subscription_dal, promo_code_dal, payment_dal, user_billing_dal
+from db.dal import user_dal, subscription_dal, promo_code_dal, payment_dal, user_billing_dal, active_discount_dal
 from bot.utils.date_utils import add_months
 from bot.utils.config_link import prepare_config_links
 from db.models import User, Subscription
@@ -691,6 +691,35 @@ class SubscriptionService:
         final_subscription_url = updated_panel_user.get("subscriptionUrl")
         final_panel_short_uuid = updated_panel_user.get("shortUuid", panel_short_uuid)
 
+        # NEW: Consume discount promo code if payment had one
+        try:
+            payment_record = await payment_dal.get_payment_by_db_id(session, payment_db_id)
+            if payment_record and payment_record.discount_applied:
+                # This payment had a discount applied - consume it
+                active_discount = await active_discount_dal.get_active_discount(session, user_id)
+                if active_discount:
+                    # Record promo activation
+                    await promo_code_dal.record_promo_activation(
+                        session,
+                        active_discount.promo_code_id,
+                        user_id,
+                        payment_id=payment_db_id
+                    )
+                    # Increment usage
+                    await promo_code_dal.increment_promo_code_usage(
+                        session,
+                        active_discount.promo_code_id
+                    )
+                    # Clear active discount
+                    await active_discount_dal.clear_active_discount(session, user_id)
+                    logging.info(
+                        f"Discount consumed for user {user_id}, promo {active_discount.promo_code_id}, "
+                        f"payment {payment_db_id}"
+                    )
+        except Exception as e:
+            logging.error(f"Failed to consume discount for user {user_id}, payment {payment_db_id}: {e}")
+            # Don't fail the subscription activation if discount consumption fails
+
         return {
             "subscription_id": new_or_updated_sub.subscription_id,
             "end_date": final_end_date,