new chatgpt module for api intergration

Modules/Helpdesk/Livewire/TicketShow.php

@@ -92,7 +92,7 @@ final class TicketShow extends Component
 
         $this->validate([
             'commentBody' => ['required', 'string', 'min:2'],
-            'attachments.*' => 'file|max:' . config('helpdesk.max_upload_kb', 10240) . '|mimes:' . implode(',', config('helpdesk.allowed_mimes', ['jpg', 'jpeg', 'png', 'pdf', 'txt', 'log', 'zip'])),
+            'attachments.*' => $this->attachmentFileRules(),
         ]);
 
         $tickets->comment($this->ticket, Auth::user(), $this->commentBody, $this->internal, $this->attachments);
@@ -299,12 +299,9 @@ final class TicketShow extends Component
     {
         $this->authorize('comment', $this->ticket);
 
-        $maxUploadKilobytes = (int) config('helpdesk.max_upload_kb', 10240);
-        $allowedMimes = implode(',', config('helpdesk.allowed_mimes', ['jpg', 'jpeg', 'png', 'pdf', 'txt', 'log', 'zip']));
-
         $this->validate([
             'supportingFiles' => ['required', 'array', 'min:1'],
-            'supportingFiles.*' => ['file', 'max:' . $maxUploadKilobytes, 'mimes:' . $allowedMimes],
+            'supportingFiles.*' => $this->attachmentFileRules(),
         ]);
 
         $user = Auth::user();
@@ -673,4 +670,37 @@ final class TicketShow extends Component
             return $comment;
         })->values();
     }
+
+    /**
+     * Return Helpdesk attachment validation rules without relying on a newly autoloaded support class.
+     *
+     * Laravel validates source-code attachments by extension because browsers often report
+     * PHP, JavaScript, RPG and other source files as text/plain or octet-stream.
+     *
+     * @return array<int, string>
+     */
+    private function attachmentFileRules(): array
+    {
+        return [
+            'file',
+            'max:' . (int) config('helpdesk.max_upload_kb', 10240),
+            'extensions:' . implode(',', $this->allowedAttachmentExtensions()),
+        ];
+    }
+
+    /**
+     * Return lower-case Helpdesk attachment extensions.
+     *
+     * @return array<int, string>
+     */
+    private function allowedAttachmentExtensions(): array
+    {
+        return collect(config('helpdesk.allowed_extensions', config('helpdesk.allowed_mimes', [])))
+            ->filter(static fn (mixed $extension): bool => is_string($extension) && trim($extension) !== '')
+            ->map(static fn (string $extension): string => strtolower(ltrim(trim($extension), '.')))
+            ->unique()
+            ->values()
+            ->all();
+    }
+
 }