From 4d78abf9ec2586e99b02c72f369fabd86814332e Mon Sep 17 00:00:00 2001
From: ma0068 <ma0068@technikum-wien.at>
Date: Thu, 14 Aug 2025 13:15:10 +0200
Subject: [PATCH] Tab Prestudent: use false for boolean and null for other
 variables for update if field is empty

---
 .../controllers/api/frontend/v1/stv/Prestudent.php | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/application/controllers/api/frontend/v1/stv/Prestudent.php b/application/controllers/api/frontend/v1/stv/Prestudent.php
index 4d0aa5fe1..2a427e569 100644
--- a/application/controllers/api/frontend/v1/stv/Prestudent.php
+++ b/application/controllers/api/frontend/v1/stv/Prestudent.php
@@ -142,15 +142,15 @@ class Prestudent extends FHCAPI_Controller
 				$update_prestudent[$prop] = $val;
 			}
 
-			// allowed to be null, but has to be in postparameter
-			if (
-				in_array($prop, ['zgvdatum', 'zgvmadatum', 'zgvdoktordatum', 'zgv_code', 'zgvmas_code', 'zgvdoktor_code'])
-				&& !isset($update_prestudent[$prop])
-				&& array_key_exists($prop, $_POST)
-			)
-			{
+			//set null instead of empty string
+			if ($val === ''  && ($prop != 'dual' || $prop != 'bismelden')){
 				$update_prestudent[$prop] = null;
 			}
+
+			//set false instead of empty string if boolean
+			if ($val === '' && ($prop === 'dual' || $prop === 'bismelden')) {
+				$update_prestudent[$prop] = false;
+			}
 		}
 
 		$update_prestudent['updateamum'] = date('c');