add server selection to VPN invite

vpn_invite_public/views.py

@@ -2,6 +2,7 @@ from django.http import Http404
 from django.shortcuts import render
 from django.utils import timezone
 
+from cluster.models import ClusterSettings, Worker
 from vpn_invite.models import PeerInvite, InviteSettings
 
 
@@ -13,12 +14,24 @@ def view_public_vpn_invite(request):
     except:
         raise Http404
 
-    # Initialize context with default values
+    cluster_settings = ClusterSettings.objects.filter(name='cluster_settings', enabled=True).first()
+    servers = []
+    if cluster_settings:
+        if cluster_settings.primary_enable_wireguard:
+            servers.append({'name': 'Primary Server', 'address': ''})
+        
+        for worker in Worker.objects.filter(enabled=True):
+            listen_port = peer_invite.peer.wireguard_instance.listen_port
+            worker_address = f"{worker.server_address}:{listen_port}"
+            servers.append({'name': worker.display_name, 'address': worker_address})
+
     context = {
         'peer_invite': peer_invite,
         'invite_settings': invite_settings,
         'authenticated': False,
-        'error': ''
+        'error': '',
+        'cluster_settings': cluster_settings,
+        'servers': servers
     }
 
     if request.method == 'POST':