ui updates for ticket layout now with multipel attachments

Modules/Helpdesk/Http/Controllers/TicketAttachmentStoreController.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Modules\Helpdesk\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Gate;
+use Modules\Helpdesk\Models\Ticket;
+use Modules\Helpdesk\Services\AttachmentService;
+
+final class TicketAttachmentStoreController extends Controller
+{
+    /**
+     * Store one or more ticket-level supporting files for an existing ticket.
+     */
+    public function __invoke(Request $request, Ticket $ticket, AttachmentService $attachments): RedirectResponse
+    {
+        Gate::authorize('update', $ticket);
+
+        $maxUploadKilobytes = (int) config('helpdesk.max_upload_kb', 10240);
+        $allowedMimes = (array) config('helpdesk.allowed_mimes', ['jpg', 'jpeg', 'png', 'pdf', 'txt', 'log', 'zip']);
+
+        $request->validate([
+            'attachments' => ['required', 'array', 'min:1'],
+            'attachments.*' => ['required', 'file', 'max:'.$maxUploadKilobytes, 'mimes:'.implode(',', $allowedMimes)],
+        ], [
+            'attachments.required' => 'Choose at least one supporting file.',
+            'attachments.*.file' => 'Each supporting file must be a valid uploaded file.',
+        ]);
+
+        $user = Auth::user();
+        abort_if($user === null, 403);
+
+        $uploadedFiles = $request->file('attachments', []);
+        $uploadedFiles = is_array($uploadedFiles) ? array_values($uploadedFiles) : [$uploadedFiles];
+
+        $attachments->storeMany($ticket, $uploadedFiles, (int) $user->id);
+
+        $ticket->forceFill(['last_activity_at' => now()])->save();
+
+        return redirect()
+            ->route('helpdesk.tickets.show', $ticket)
+            ->with('ticket-attachments-added', count($uploadedFiles).' supporting file'.(count($uploadedFiles) === 1 ? '' : 's').' attached.');
+    }
+}