added get_fqdn() method to Host model. added post_save signal to delete dns entry when Host object is deleted

nsupdate/main/models.py

@@ -3,6 +3,8 @@ from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
 from django.core.validators import RegexValidator
 from django.conf import settings
+from django.db.models.signals import post_save
+from main import dnstools
 
 import re
 
@@ -63,3 +65,13 @@ class Host(models.Model):
 
     class Meta:
         unique_together = (('subdomain', 'domain'),)
+
+    def get_fqdn(self):
+        return self.subdomain.self.domain.domain
+
+
+def post_delete_host(sender, **kwargs):
+    obj = kwargs['instance']
+    dnstools.delete(obj.get_fqdn())
+
+post_save.connect(post_delete_host, sender=Host)

nsupdate/main/views.py

@@ -49,15 +49,6 @@ class HelpView(TemplateView):
         return context
 
 
-class AboutView(TemplateView):
-    template_name = "main/about.html"
-
-    def get_context_data(self, *args, **kwargs):
-        context = super(AboutView, self).get_context_data(*args, **kwargs)
-        context['nav_about'] = True
-        return context
-
-
 class OverviewView(CreateView):
     model = Host
     template_name = "main/overview.html"