From 8a7db52268855576d86e92f44f6253c75f87f140 Mon Sep 17 00:00:00 2001
From: Anton Afanasyeu <a.afanasieff@gmail.com>
Date: Fri, 7 Aug 2026 22:15:55 +0200
Subject: [PATCH] Tickets: clearer attachment upload error messages.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 src/TicketAttachmentRepository.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/TicketAttachmentRepository.php b/src/TicketAttachmentRepository.php
index 20a125b..d81b49b 100644
--- a/src/TicketAttachmentRepository.php
+++ b/src/TicketAttachmentRepository.php
@@ -93,8 +93,15 @@ final class TicketAttachmentRepository {
         if (!$ticket) {
             throw new RuntimeException('not found');
         }
-        if (($file['error'] ?? UPLOAD_ERR_NO_FILE) !== UPLOAD_ERR_OK) {
-            throw new InvalidArgumentException('upload failed');
+        $uploadErr = (int) ($file['error'] ?? UPLOAD_ERR_NO_FILE);
+        if ($uploadErr !== UPLOAD_ERR_OK) {
+            $msg = match ($uploadErr) {
+                UPLOAD_ERR_INI_SIZE, UPLOAD_ERR_FORM_SIZE => 'file too large (max 16 MiB)',
+                UPLOAD_ERR_PARTIAL => 'upload incomplete',
+                UPLOAD_ERR_NO_FILE => 'no file selected',
+                default => 'upload failed',
+            };
+            throw new InvalidArgumentException($msg);
         }
         $size = (int) ($file['size'] ?? 0);
         if ($size <= 0 || $size > self::MAX_BYTES) {