Closes #10739: Introduce get_queryset() method on generic views

docs/plugins/development/views.md

@@ -82,23 +82,25 @@ class ThingEditView(ObjectEditView):
 Below are the class definitions for NetBox's object views. These views handle CRUD actions for individual objects. The view, add/edit, and delete views each inherit from `BaseObjectView`, which is not intended to be used directly.
 
 ::: netbox.views.generic.base.BaseObjectView
+    options:
+      members:
+        - get_queryset
+        - get_object
+        - get_extra_context
 
 ::: netbox.views.generic.ObjectView
     options:
       members:
-        - get_object
         - get_template_name
 
 ::: netbox.views.generic.ObjectEditView
     options:
       members:
-        - get_object
         - alter_object
 
 ::: netbox.views.generic.ObjectDeleteView
     options:
-      members:
-        - get_object
+      members: false
 
 ::: netbox.views.generic.ObjectChildrenView
     options:
@@ -111,6 +113,10 @@ Below are the class definitions for NetBox's object views. These views handle CR
 Below are the class definitions for NetBox's multi-object views. These views handle simultaneous actions for sets objects. The list, import, edit, and delete views each inherit from `BaseMultiObjectView`, which is not intended to be used directly.
 
 ::: netbox.views.generic.base.BaseMultiObjectView
+    options:
+      members:
+        - get_queryset
+        - get_extra_context
 
 ::: netbox.views.generic.ObjectListView
     options:

docs/release-notes/version-3.4.md

@@ -38,6 +38,7 @@ A new `PluginMenu` class has been introduced, which enables a plugin to inject a
 * [#9072](https://github.com/netbox-community/netbox/issues/9072) - Enable registration of tabbed plugin views for core NetBox models
 * [#9880](https://github.com/netbox-community/netbox/issues/9880) - Introduce `django_apps` plugin configuration parameter
 * [#10314](https://github.com/netbox-community/netbox/issues/10314) - Move `clone()` method from NetBoxModel to CloningMixin
+* [#10739](https://github.com/netbox-community/netbox/issues/10739) - Introduce `get_queryset()` method on generic views
 
 ### Other Changes
 

netbox/netbox/views/generic/base.py

@@ -1,18 +1,40 @@
+from django.core.exceptions import ImproperlyConfigured
 from django.shortcuts import get_object_or_404
 from django.views.generic import View
 
 from utilities.views import ObjectPermissionRequiredMixin
 
 
-class BaseObjectView(ObjectPermissionRequiredMixin, View):
+class BaseView(ObjectPermissionRequiredMixin, View):
+    queryset = None
+
+    def dispatch(self, request, *args, **kwargs):
+        self.queryset = self.get_queryset(request)
+        return super().dispatch(request, *args, **kwargs)
+
+    def get_queryset(self, request):
+        """
+        Return the base queryset for the view. By default, this returns self.queryset.all().
+
+        Args:
+            request: The current request
+        """
+        if self.queryset is None:
+            raise ImproperlyConfigured(
+                f"{self.__class__.__name__} does not define a queryset. Set queryset on the class or "
+                f"override its get_queryset() method."
+            )
+        return self.queryset.all()
+
+
+class BaseObjectView(BaseView):
     """
-    Base view class for reusable generic views.
+    Base class for generic views which display or manipulate a single object.
 
     Attributes:
         queryset: Django QuerySet from which the object(s) will be fetched
         template_name: The name of the HTML template file to render
     """
-    queryset = None
     template_name = None
 
     def get_object(self, **kwargs):
@@ -35,16 +57,15 @@ class BaseObjectView(ObjectPermissionRequiredMixin, View):
         return {}
 
 
-class BaseMultiObjectView(ObjectPermissionRequiredMixin, View):
+class BaseMultiObjectView(BaseView):
     """
-    Base view class for reusable generic views.
+    Base class for generic views which display or manipulate multiple objects.
 
     Attributes:
         queryset: Django QuerySet from which the object(s) will be fetched
         table: The django-tables2 Table class used to render the objects list
         template_name: The name of the HTML template file to render
     """
-    queryset = None
     table = None
     template_name = None