Part category parameters (#12165)

* Add parameter support for PartCategory

* Update frontend

* Bump API version

* Update CHANGELOG

src/backend/InvenTree/InvenTree/api_version.py

@@ -1,11 +1,14 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 504
+INVENTREE_API_VERSION = 505
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
+v505 -> 2026-06-15 : https://github.com/inventree/InvenTree/pull/12165
+    - Allow parameters to be specified against the PartCategory model
+
 v504 -> 2026-06-13 : https://github.com/inventree/InvenTree/pull/12139
     - Adjustments to the SelectionList and SelectionListEntry API endpoints to support more efficient queries and data retrieval
 

src/backend/InvenTree/part/models.py

@@ -68,6 +68,7 @@ logger = structlog.get_logger('inventree')
 
 class PartCategory(
     InvenTree.models.PluginValidationMixin,
+    InvenTree.models.InvenTreeParameterMixin,
     InvenTree.models.MetadataMixin,
     InvenTree.models.PathStringMixin,
     InvenTree.models.InvenTreeTree,

src/backend/InvenTree/part/serializers.py

@@ -103,6 +103,8 @@ class CategorySerializer(
             'structural',
             'icon',
             'parent_default_location',
+            # Optional fields
+            'parameters',
         ]
         read_only_fields = ['level', 'pathstring']
 
@@ -176,6 +178,8 @@ class CategorySerializer(
 
     parent_default_location = serializers.IntegerField(read_only=True, allow_null=True)
 
+    parameters = common.filters.enable_parameters_filter()
+
 
 class CategoryTree(InvenTree.serializers.InvenTreeModelSerializer):
     """Serializer for PartCategory tree."""