From 5be89f83fd1bc45bb05983fdf137bd47b43fa9e7 Mon Sep 17 00:00:00 2001
From: Chi Cong Tran <chi-cong.tran@polizei.niedersachsen.de>
Date: Tue, 16 Dec 2025 13:20:18 +0100
Subject: [PATCH] add .GLD file verification for drag and drop

---
 src/routes/(token-based)/list/[vorgang]/+page.svelte | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/routes/(token-based)/list/[vorgang]/+page.svelte b/src/routes/(token-based)/list/[vorgang]/+page.svelte
index baf9703..15d68b9 100644
--- a/src/routes/(token-based)/list/[vorgang]/+page.svelte
+++ b/src/routes/(token-based)/list/[vorgang]/+page.svelte
@@ -293,13 +293,21 @@ Mit freundlichen Grüßen,
 	// drag and drop functionality
 		let isDragging = $state(false);
 
-		function handleDrop(event) {
+		async function handleDrop(event) {
 			event.preventDefault();
 			isDragging = false;
 
 			if (event.dataTransfer?.files?.length) {
 				files = event.dataTransfer.files;
 			}
+			if (!(await check_valid_glb_file())) {
+				formErrors = { file: 'Keine gültige .GLD-Datei' }
+				// reset form fields etc.
+				files = null;
+				fileInput.value = '';
+			} else {
+				formErrors = { ...formErrors, file: ''}
+			};
 		}
 
 </script>