From 856dbe81d81c27ac06d4729e74508e2d6e805c1c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Fromme?= <fromme@dreipunktnull.com>
Date: Sat, 28 Aug 2021 09:59:38 +0200
Subject: [PATCH] Improve failure tolerance of contingent import service

---
 .../Classes/Service/ContingentImportService.php            | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php b/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php
index be19c903..36317548 100644
--- a/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php
+++ b/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php
@@ -143,6 +143,9 @@ class ContingentImportService implements SingletonInterface, LoggerAwareInterfac
     public function loadXmlFile($file): ?\SimpleXMLElement
     {
         libxml_use_internal_errors (true);
+        if (!file_exists($file)) {
+            return null;
+        }
         /** @var \SimpleXMLElement $xmlData */
         if (!$xmlData = simplexml_load_string(file_get_contents($file))) {
             libxml_clear_errors();
@@ -210,7 +213,9 @@ class ContingentImportService implements SingletonInterface, LoggerAwareInterfac
         if ($xmlContingent->idbuspro_kontingent_aus) {
             $linkedProductId = (int)$xmlContingent->idbuspro_kontingent_aus;
             $path = GeneralUtility::getFileAbsFileName(self::XML_PATH);
-            $xmlContingent = $this->loadXmlFile(sprintf('%s/HotelZimmer_%d.xml', $path, $linkedProductId));
+            if (null === $xmlContingent = $this->loadXmlFile(sprintf('%s/HotelZimmer_%d.xml', $path, $linkedProductId))) {
+                return 0;
+            }
         }
 
         if (empty($xmlContingent->kapazitaeten)) {