Closes #7924: Include child groups on contact group view

Author: jeremystretch

docs/release-notes/version-3.1.md

@@ -15,6 +15,7 @@
 * [#7812](https://github.com/netbox-community/netbox/issues/7812) - Enable change logging for image attachments
 * [#7858](https://github.com/netbox-community/netbox/issues/7858) - Standardize the representation of content types across import & export functions
 * [#7884](https://github.com/netbox-community/netbox/issues/7884) - Add FHRP groups column to interface tables
+* [#7924](https://github.com/netbox-community/netbox/issues/7924) - Include child groups on contact group view
 * [#7925](https://github.com/netbox-community/netbox/issues/7925) - Linkify contact phone and email attributes
 
 ### Bug Fixes

netbox/templates/tenancy/contactgroup.html

@@ -50,15 +50,30 @@ <h5 class="card-header">
     </div>
     <div class="col col-md-6">
       {% include 'inc/panels/custom_fields.html' %}
+      <div class="card">
+        <h5 class="card-header">
+          Child Groups
+        </h5>
+        <div class="card-body">
+          {% include 'inc/table.html' with table=child_groups_table %}
+        </div>
+        {% if perms.tenancy.add_contactgroup %}
+          <div class="card-footer text-end noprint">
+            <a href="{% url 'tenancy:contactgroup_add' %}?parent={{ object.pk }}" class="btn btn-sm btn-primary">
+              <span class="mdi mdi-plus-thick" aria-hidden="true"></span> Add Contact Group
+            </a>
+          </div>
+        {% endif %}
+      </div>
       {% plugin_right_page object %}
     </div>
   </div>
   <div class="row mb-3">
     <div class="col col-md-12">
       <div class="card">
-        <div class="card-header">
-          Tenants
-        </div>
+        <h5 class="card-header">
+          Contacts
+        </h5>
         <div class="card-body">
           {% include 'inc/table.html' with table=contacts_table %}
         </div>

netbox/tenancy/views.py

@@ -168,13 +168,25 @@ class ContactGroupView(generic.ObjectView):
     queryset = ContactGroup.objects.all()
 
     def get_extra_context(self, request, instance):
+        child_groups = ContactGroup.objects.add_related_count(
+            ContactGroup.objects.all(),
+            Contact,
+            'group',
+            'contact_count',
+            cumulative=True
+        ).restrict(request.user, 'view').filter(
+            parent__in=instance.get_descendants(include_self=True)
+        )
+        child_groups_table = tables.ContactGroupTable(child_groups)
+
         contacts = Contact.objects.restrict(request.user, 'view').filter(
             group=instance
         )
         contacts_table = tables.ContactTable(contacts, exclude=('group',))
         paginate_table(contacts_table, request)
 
         return {
+            'child_groups_table': child_groups_table,
             'contacts_table': contacts_table,
         }