From d8bb37642442325f31dfb99a550af3b971beed99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Fromme?= <bjoern.fromme@ep-reisen.de>
Date: Fri, 25 Sep 2026 14:43:08 +0200
Subject: [PATCH] fix: send form date values as YYYY-MM-DD strings to epteam
 api

---
 .../ext/ep_theme/Classes/Form/AbstractMappedFinisher.php  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/public/typo3conf/ext/ep_theme/Classes/Form/AbstractMappedFinisher.php b/public/typo3conf/ext/ep_theme/Classes/Form/AbstractMappedFinisher.php
index aa271ca6..c0276dbf 100644
--- a/public/typo3conf/ext/ep_theme/Classes/Form/AbstractMappedFinisher.php
+++ b/public/typo3conf/ext/ep_theme/Classes/Form/AbstractMappedFinisher.php
@@ -34,6 +34,12 @@ abstract class AbstractMappedFinisher extends AbstractFinisher
         return $mappings;
     }
 
+    /**
+     * The mapped values, keyed by the remote name the receiving side expects. Values pass through
+     * normalizeValue() just like the labeled ones do, so a date element arrives as a Y-m-d string
+     * instead of a serialized DateTime. A value that does not survive normalization keeps its key:
+     * the remote names make up the request shape and dropping one would change it.
+     */
     protected function buildPayload(): array
     {
         $values = [];
@@ -44,7 +50,7 @@ abstract class AbstractMappedFinisher extends AbstractFinisher
                 continue;
             }
 
-            $values[$remote] = $formValues[$local];
+            $values[$remote] = $this->normalizeValue($formValues[$local], $local);
         }
 
         return $values;