From 1cb9837ae7b27a4821a59af8615717da2f5ceb61 Mon Sep 17 00:00:00 2001
From: Frank Cools <frank@covago.com>
Date: Wed, 8 Oct 2025 14:48:12 +0200
Subject: [PATCH] Add debugging to validation PDF generation

---
 core/class/declarationtva_pdf.class.php | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/core/class/declarationtva_pdf.class.php b/core/class/declarationtva_pdf.class.php
index 6174196..4ce97f6 100644
--- a/core/class/declarationtva_pdf.class.php
+++ b/core/class/declarationtva_pdf.class.php
@@ -344,16 +344,25 @@ class DeclarationTVA_PDF
         // First generate the PDF using the same method as export
         $temp_pdf = $this->generateCA3PDF($declaration_id, $outputlangs);
         
-        if ($temp_pdf && file_exists($temp_pdf)) {
-            // Copy the generated PDF to the validation location
-            if (copy($temp_pdf, $filepath)) {
-                // Clean up the temporary file
-                unlink($temp_pdf);
-                return $filepath;
-            }
+        if (!$temp_pdf) {
+            $this->error = 'Failed to generate temporary PDF: ' . $this->error;
+            return false;
         }
         
-        return false;
+        if (!file_exists($temp_pdf)) {
+            $this->error = 'Temporary PDF file does not exist: ' . $temp_pdf;
+            return false;
+        }
+        
+        // Copy the generated PDF to the validation location
+        if (copy($temp_pdf, $filepath)) {
+            // Clean up the temporary file
+            unlink($temp_pdf);
+            return $filepath;
+        } else {
+            $this->error = 'Failed to copy PDF to validation location: ' . $filepath;
+            return false;
+        }
     }
 
     /**