Closes #22059: Consolidate numeric GraphQL lookup classes via shared mixin

Extract _NumericLookupMixin with shared get_filter() and filter() methods.
IntegerLookup, BigIntegerLookup, and FloatLookup each inherit from it and
declare only their type-specific fields, eliminating triplicated logic.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

netbox/netbox/graphql/filter_lookups.py

@@ -59,11 +59,8 @@ class JSONLookup:
         return None
 
 
-@strawberry.input(one_of=True, description='Lookup for Integer fields. Only one of the lookup fields can be set.')
-class IntegerLookup:
-    filter_lookup: FilterLookup[int] | None = strawberry_django.filter_field()
-    range_lookup: RangeLookup[int] | None = strawberry_django.filter_field()
-    comparison_lookup: ComparisonFilterLookup[int] | None = strawberry_django.filter_field()
+class _NumericLookupMixin:
+    """Shared filter logic for numeric lookup input types (Integer, BigInteger, Float)."""
 
     def get_filter(self):
         for field in self.__strawberry_definition__.fields:
@@ -85,57 +82,26 @@ class IntegerLookup:
         return process_filters(filters=filters, queryset=queryset, info=info, prefix=prefix)
 
 
+@strawberry.input(one_of=True, description='Lookup for Integer fields. Only one of the lookup fields can be set.')
+class IntegerLookup(_NumericLookupMixin):
+    filter_lookup: FilterLookup[int] | None = strawberry_django.filter_field()
+    range_lookup: RangeLookup[int] | None = strawberry_django.filter_field()
+    comparison_lookup: ComparisonFilterLookup[int] | None = strawberry_django.filter_field()
+
+
 @strawberry.input(one_of=True, description='Lookup for BigInteger fields. Only one of the lookup fields can be set.')
-class BigIntegerLookup:
+class BigIntegerLookup(_NumericLookupMixin):
     filter_lookup: FilterLookup[BigInt] | None = strawberry_django.filter_field()
     range_lookup: RangeLookup[BigInt] | None = strawberry_django.filter_field()
     comparison_lookup: ComparisonFilterLookup[BigInt] | None = strawberry_django.filter_field()
 
-    def get_filter(self):
-        for field in self.__strawberry_definition__.fields:
-            value = getattr(self, field.name, None)
-            if value is not strawberry.UNSET:
-                return value
-        return None
-
-    @strawberry_django.filter_field
-    def filter(self, info: Info, queryset: QuerySet, prefix: DirectiveValue[str] = '') -> tuple[QuerySet, Q]:
-        filters = self.get_filter()
-
-        if not filters:
-            return queryset, Q()
-
-        if isinstance(filters, RangeLookup):
-            prefix = f'{prefix}range__'
-
-        return process_filters(filters=filters, queryset=queryset, info=info, prefix=prefix)
-
 
 @strawberry.input(one_of=True, description='Lookup for Float fields. Only one of the lookup fields can be set.')
-class FloatLookup:
+class FloatLookup(_NumericLookupMixin):
     filter_lookup: FilterLookup[float] | None = strawberry_django.filter_field()
     range_lookup: RangeLookup[float] | None = strawberry_django.filter_field()
     comparison_lookup: ComparisonFilterLookup[float] | None = strawberry_django.filter_field()
 
-    def get_filter(self):
-        for field in self.__strawberry_definition__.fields:
-            value = getattr(self, field.name, None)
-            if value is not strawberry.UNSET:
-                return value
-        return None
-
-    @strawberry_django.filter_field
-    def filter(self, info: Info, queryset: QuerySet, prefix: DirectiveValue[str] = '') -> tuple[QuerySet, Q]:
-        filters = self.get_filter()
-
-        if not filters:
-            return queryset, Q()
-
-        if isinstance(filters, RangeLookup):
-            prefix = f'{prefix}range__'
-
-        return process_filters(filters=filters, queryset=queryset, info=info, prefix=prefix)
-
 
 @strawberry.input
 class JSONFilter: