new ataxchments preview code

Modules/Helpdesk/Http/Controllers/AttachmentDeleteController.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Modules\Helpdesk\Http\Controllers;
+
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Routing\Controller;
+use Illuminate\Support\Facades\Gate;
+use Illuminate\Support\Facades\Schema;
+use Modules\Helpdesk\Models\Attachment;
+use Modules\Helpdesk\Services\AttachmentService;
+
+final class AttachmentDeleteController extends Controller
+{
+    /**
+     * Soft-delete a Helpdesk attachment after enforcing ticket update access.
+     */
+    public function __invoke(Attachment $attachment, AttachmentService $attachments): RedirectResponse
+    {
+        $ticket = $attachment->ticket;
+        abort_if($ticket === null, 404);
+
+        Gate::authorize('update', $ticket);
+
+        if (Schema::hasColumn('helpdesk_attachments', 'deleted_at')) {
+            $attachments->softDelete($attachment, (int) auth()->id());
+        } else {
+            $attachments->delete($attachment);
+        }
+
+        return redirect()
+            ->route('helpdesk.tickets.show', $ticket)
+            ->with('ticket-attachments-deleted', 'Attachment removed.');
+    }
+}