Closes #14591: Saved table configurations (#19101)

* Add SavedTableConfig

* Update table configuration logic to support TableConfigs

* Update table config link when updating table

* Correct docstring

* Misc cleanup

* Use multi-select widgets for column selection

* Return null config params for tables with no model

* Fix auto-selection of selected columns

* Update migration

* Clean up template

* Enforce enabled/shared flags

* Search/filter by table name

* Misc cleanup

* Fix population of selected columns

* Ordering field should not be required

* Enable cloning for TableConfig

* Misc cleanup

* Add model documentation for TableConfig

* Drop slug field from TableConfig

* Improve TableConfig validation

* Remove add button from TableConfig list view

* Fix ordering validation to account for leading hyphens

netbox/extras/filtersets.py

@@ -32,6 +32,7 @@ __all__ = (
     'ObjectTypeFilterSet',
     'SavedFilterFilterSet',
     'ScriptFilterSet',
+    'TableConfigFilterSet',
     'TagFilterSet',
     'TaggedItemFilterSet',
     'WebhookFilterSet',
@@ -326,6 +327,59 @@ class SavedFilterFilterSet(ChangeLoggedModelFilterSet):
         return queryset.filter(Q(enabled=False) | Q(Q(shared=False) & ~Q(user=user)))
 
 
+class TableConfigFilterSet(ChangeLoggedModelFilterSet):
+    q = django_filters.CharFilter(
+        method='search',
+        label=_('Search'),
+    )
+    object_type_id = django_filters.ModelMultipleChoiceFilter(
+        queryset=ObjectType.objects.all(),
+        field_name='object_type'
+    )
+    object_type = ContentTypeFilter(
+        field_name='object_type'
+    )
+    user_id = django_filters.ModelMultipleChoiceFilter(
+        queryset=User.objects.all(),
+        label=_('User (ID)'),
+    )
+    user = django_filters.ModelMultipleChoiceFilter(
+        field_name='user__username',
+        queryset=User.objects.all(),
+        to_field_name='username',
+        label=_('User (name)'),
+    )
+    usable = django_filters.BooleanFilter(
+        method='_usable'
+    )
+
+    class Meta:
+        model = TableConfig
+        fields = ('id', 'name', 'description', 'table', 'enabled', 'shared', 'weight')
+
+    def search(self, queryset, name, value):
+        if not value.strip():
+            return queryset
+        return queryset.filter(
+            Q(name__icontains=value) |
+            Q(description__icontains=value) |
+            Q(table__icontains=value)
+        )
+
+    def _usable(self, queryset, name, value):
+        """
+        Return only TableConfigs that are both enabled and are shared (or belong to the current user).
+        """
+        user = self.request.user if self.request else None
+        if not user or user.is_anonymous:
+            if value:
+                return queryset.filter(enabled=True, shared=True)
+            return queryset.filter(Q(enabled=False) | Q(shared=False))
+        if value:
+            return queryset.filter(enabled=True).filter(Q(shared=True) | Q(user=user))
+        return queryset.filter(Q(enabled=False) | Q(Q(shared=False) & ~Q(user=user)))
+
+
 class BookmarkFilterSet(BaseFilterSet):
     created = django_filters.DateTimeFilter()
     object_type_id = MultiValueNumberFilter()