Closes #8248: User bookmarks (#13035)

* Initial work on #8248

* Add tests

* Fix tests

* Add feature query for bookmarks

* Add BookmarksWidget

* Correct generic relation name

* Add docs for bookmarks

* Remove inheritance from ChangeLoggedModel

netbox/utilities/templates/buttons/bookmark.html

@@ -0,0 +1,15 @@
+<form action="{{ form_url }}?return_url={{ return_url }}" method="post">
+  {% csrf_token %}
+  {% for field, value in form_data.items %}
+    <input type="hidden" name="{{ field }}" value="{{ value }}" />
+  {% endfor %}
+  {% if bookmark %}
+    <button type="submit" class="btn btn-sm btn-info">
+      <i class="mdi mdi-bookmark-minus"></i> Unbookmark
+    </button>
+  {% else %}
+    <button type="submit" class="btn btn-sm btn-info">
+      <i class="mdi mdi-bookmark-check"></i> Bookmark
+    </button>
+  {% endif %}
+</form>

netbox/utilities/templatetags/buttons.py

@@ -2,11 +2,12 @@ from django import template
 from django.contrib.contenttypes.models import ContentType
 from django.urls import NoReverseMatch, reverse
 
-from extras.models import ExportTemplate
+from extras.models import Bookmark, ExportTemplate
 from utilities.utils import get_viewname, prepare_cloned_fields
 
 __all__ = (
     'add_button',
+    'bookmark_button',
     'bulk_delete_button',
     'bulk_edit_button',
     'clone_button',
@@ -24,6 +25,37 @@ register = template.Library()
 # Instance buttons
 #
 
+@register.inclusion_tag('buttons/bookmark.html', takes_context=True)
+def bookmark_button(context, instance):
+    # Check if this user has already bookmarked the object
+    content_type = ContentType.objects.get_for_model(instance)
+    bookmark = Bookmark.objects.filter(
+        object_type=content_type,
+        object_id=instance.pk,
+        user=context['request'].user
+    ).first()
+
+    # Compile form URL & data
+    if bookmark:
+        form_url = reverse('extras:bookmark_delete', kwargs={'pk': bookmark.pk})
+        form_data = {
+            'confirm': 'true',
+        }
+    else:
+        form_url = reverse('extras:bookmark_add')
+        form_data = {
+            'object_type': content_type.pk,
+            'object_id': instance.pk,
+        }
+
+    return {
+        'bookmark': bookmark,
+        'form_url': form_url,
+        'form_data': form_data,
+        'return_url': instance.get_absolute_url(),
+    }
+
+
 @register.inclusion_tag('buttons/clone.html')
 def clone_button(instance):
     url = reverse(get_viewname(instance, 'add'))