From 887ac83f83bad53c318f138d0167b372e33ae1fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20B=C3=B6hmer?= <jan.h.boehmer@gmx.de>
Date: Wed, 8 Apr 2020 16:06:32 +0200
Subject: [PATCH] Fixed an exception when a pricedetail has a currency without
 exchange rate.

Fixes issue #37
---
 src/Services/PricedetailHelper.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Services/PricedetailHelper.php b/src/Services/PricedetailHelper.php
index d36ce4d7..c4a24a6b 100644
--- a/src/Services/PricedetailHelper.php
+++ b/src/Services/PricedetailHelper.php
@@ -174,8 +174,12 @@ class PricedetailHelper
                 continue;
             }
 
-            $avg = bcadd($avg, $this->convertMoneyToCurrency($pricedetail->getPricePerUnit(), $pricedetail->getCurrency(), $currency), Pricedetail::PRICE_PRECISION);
-            ++$count;
+            $converted = $this->convertMoneyToCurrency($pricedetail->getPricePerUnit(), $pricedetail->getCurrency(), $currency);
+            //Ignore price informations that can not be converted to base currency.
+            if ($converted !== null) {
+                $avg = bcadd($avg, $converted, Pricedetail::PRICE_PRECISION);
+                ++$count;
+            }
         }
 
         if (0 === $count) {