From 2f78ddb8ade5a9f7b31fb3ec9b5fd6e0356ad3bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Fromme?= <fromme@dreipunktnull.com>
Date: Thu, 6 Nov 2025 15:24:51 +0100
Subject: [PATCH] fix: don't rely on individual prices being available for all
 participants

---
 src/BusProNet/Model/Booking.php | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/BusProNet/Model/Booking.php b/src/BusProNet/Model/Booking.php
index 15ae6eb..233bdff 100644
--- a/src/BusProNet/Model/Booking.php
+++ b/src/BusProNet/Model/Booking.php
@@ -110,19 +110,20 @@ class Booking
         // Sum up all services
         foreach ([...$this->transportationServices, ...$this->additionalServices] as $service) {
             if (in_array($participantIndex, $service->mapping) || true === $service->mandatory) {
-                $price += $service->individualPrice[$participantIndex];
+                $price += $service->individualPrice[$participantIndex] ?? 0;
             }
         }
 
         // Sum up all surcharges
         foreach ($this->surcharges as $surcharge) {
             if (in_array($participantIndex, $surcharge->mapping)) {
-                $price += $surcharge->individualPrice[$participantIndex];
+                $price += $surcharge->individualPrice[$participantIndex] ?? 0;
             }
         }
 
-        $room = $this->getRoomForParticipant($participantIndex);
-        $price += $room->individualPrice[$participantIndex];
+        if (null !== $room = $this->getRoomForParticipant($participantIndex)) {
+            $price += $room->individualPrice[$participantIndex] ?? 0;
+        }
 
         return $price;
     }