location-selection/major_update_notifications/gifts and more fixes

database.py

@@ -792,18 +792,18 @@ async def get_referral_stats(referrer_tg_id: int):
                 WHERE rl.level < {MAX_REFERRAL_LEVELS}
             )
             SELECT 
-                SUM(p.amount * CASE 
-                    {" ".join([f"WHEN rl.level = {level} THEN {REFERRAL_BONUS_PERCENTAGES[level]}" for level in REFERRAL_BONUS_PERCENTAGES])}
-                    ELSE 0
-                END) AS total_bonus
+                COALESCE(SUM(p.amount * (
+                    CASE 
+                        {" ".join([f"WHEN rl.level = {level} THEN {REFERRAL_BONUS_PERCENTAGES[level]}" for level in REFERRAL_BONUS_PERCENTAGES])}
+                        ELSE 0 
+                    END)), 0) AS total_bonus
             FROM referral_levels rl
             JOIN payments p ON rl.referred_tg_id = p.tg_id
-            WHERE p.status = 'success'
+            WHERE p.status = 'success' AND rl.level <= {MAX_REFERRAL_LEVELS}
             """,
             referrer_tg_id,
         )
 
-        total_referral_bonus = total_referral_bonus or 0
         logger.debug(
             f"Получена общая сумма бонусов от рефералов: {total_referral_bonus}"
         )