modified: netbox_dns_bridge/__init__.py

modified:   netbox_dns_bridge/catalog_zone_manager.py
modified:   netbox_dns_bridge/dns_server.py
modified:   netbox_dns_bridge/logger.py
new file:   netbox_dns_bridge/migrations/0002_alter_integerkeyvaluesetting_options_and_more.py
modified:   netbox_dns_bridge/models.py
new file:   netbox_dns_bridge/notify_handler.py
modified:   netbox_dns_bridge/request_handler.py
modified:   netbox_dns_bridge/signals/__init__.py
new file:   netbox_dns_bridge/signals/netbox_dns_zones.py
deleted:    netbox_dns_bridge/signals/transfer_endpoint.py
modified:   netbox_dns_bridge/utils.py

Implement notify mechanism

netbox_dns_bridge/models.py

@@ -1,20 +1,22 @@
 from django.db import models
-import netbox.models
+
+# import netbox.models
 import netbox_dns.models
 
 
 class IntegerKeyValueSetting(models.Model):
+    _netbox_private = True
+
     key = models.CharField(max_length=64)
     value = models.IntegerField()
 
     def __str__(self):
         return f"{self.key}: {str(self.value)}"
 
-    class Meta:
-        default_permissions = ()
-
 
 class CatalogZoneMemberIdentifier(models.Model):
+    _netbox_private = True
+
     name = models.CharField(
         max_length=26,
         unique=True,
@@ -31,3 +33,27 @@ class CatalogZoneMemberIdentifier(models.Model):
 
     def __str__(self):
         return self.name
+
+
+class SeenTransferClients(models.Model):
+    _netbox_private = True
+
+    source_ip = models.GenericIPAddressField()
+    last_seen = models.DateTimeField()
+    view = models.ForeignKey(
+        to=netbox_dns.models.View,
+        on_delete=models.PROTECT,
+        related_name="seen_transfer_clients",
+    )
+
+    def __str__(self):
+        return f"{self.source_ip} ({self.view.name})"
+
+    class Meta:
+        ordering = ("source_ip",)
+        constraints = [
+            models.UniqueConstraint(
+                fields=["source_ip", "view"],
+                name="unique_ip_view_seen_client",
+            ),
+        ]