Creating Participation refunds

app/Domains/ParticipantRefund/Controllers/CancelRefundController.php

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+<?php
+
+namespace App\Domains\ParticipantRefund\Controllers;
+
+use App\Domains\ParticipantRefund\Actions\CancelRefund\CancelRefundCommand;
+use App\Domains\ParticipantRefund\Actions\CancelRefund\CancelRefundRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class CancelRefundController extends CommonController
+{
+    public function __invoke(string $refundToken, Request $request): JsonResponse
+    {
+        $refund = $this->participantRefunds->getByToken($refundToken);
+
+        // Der Token ist hier keine Berechtigung: abbrechen darf nur, wer die Veranstaltung auch
+        // verwalten kann. `getById()` prüft genau das.
+        if ($refund === null || $this->events->getById($refund->event_id) === null) {
+            abort(403, 'Zugriff verweigert.');
+        }
+
+        $response = new CancelRefundCommand(new CancelRefundRequest($refund))->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}