Handling ICAL import

app/Domains/Event/Controllers/ParticipantIcalController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Event\Controllers;
+
+use App\Domains\Event\Actions\GenerateIcal\GenerateIcalCommand;
+use App\Domains\Event\Actions\GenerateIcal\GenerateIcalRequest;
+use App\Models\EventParticipant;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+
+class ParticipantIcalController extends CommonController
+{
+    public function __invoke(string $participantIdentifier, Request $request): Response
+    {
+        $participant = $this->eventParticipants->getMyParticipationByIdentifier($participantIdentifier);
+
+        if ($participant === null) {
+            abort(403, 'Zugriff verweigert.');
+        }
+
+        $icalRequest = new GenerateIcalRequest($participant);
+        $icalCommand = new GenerateIcalCommand($icalRequest);
+        $icalResponse = $icalCommand->execute();
+
+        return response($icalResponse->icalContent, 200, [
+            'Content-Type' => 'text/calendar; charset=utf-8',
+            'Content-Disposition' => 'attachment; filename="' . $icalResponse->filename . '"',
+        ]);
+    }
+}