12-05-2026 Frontend dev

app/Services/Newsletter/NewsletterSyncService.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Services\Newsletter;
+
+use App\Contracts\NewsletterSyncClient;
+use App\Models\NewsletterSubscription;
+
+class NewsletterSyncService
+{
+    public function __construct(
+        private readonly NewsletterSyncClient $client
+    ) {}
+
+    public function syncSubscription(NewsletterSubscription $subscription): void
+    {
+        if ($subscription->is_confirmed && $subscription->unsubscribed_at === null) {
+            $this->client->subscribe($subscription);
+
+            return;
+        }
+
+        $this->client->unsubscribe($subscription);
+    }
+}

app/Services/Newsletter/NullNewsletterSyncClient.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Services\Newsletter;
+
+use App\Contracts\NewsletterSyncClient;
+use App\Models\NewsletterSubscription;
+
+class NullNewsletterSyncClient implements NewsletterSyncClient
+{
+    public function subscribe(NewsletterSubscription $subscription): void
+    {
+        // Placeholder: externe Newsletter-Synchronisierung wird spaeter implementiert.
+    }
+
+    public function unsubscribe(NewsletterSubscription $subscription): void
+    {
+        // Placeholder: externe Newsletter-Synchronisierung wird spaeter implementiert.
+    }
+}