From 2478b08a605b11051f4c61e3e019c7e7c4ed1919 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Wed, 26 Nov 2025 00:27:14 +0000
Subject: [PATCH] Fix for Category Parameters

---
 src/backend/InvenTree/part/api.py             |  2 +-
 src/backend/InvenTree/part/serializers.py     | 23 ++++++++++++-------
 .../tables/part/PartCategoryTemplateTable.tsx | 12 ++++++----
 3 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/src/backend/InvenTree/part/api.py b/src/backend/InvenTree/part/api.py
index b700fafd22..b161e0114c 100644
--- a/src/backend/InvenTree/part/api.py
+++ b/src/backend/InvenTree/part/api.py
@@ -318,7 +318,7 @@ class CategoryTree(ListAPI):
         return queryset
 
 
-class CategoryParameterList(DataExportViewMixin, ListCreateAPI):
+class CategoryParameterList(DataExportViewMixin, OutputOptionsMixin, ListCreateAPI):
     """API endpoint for accessing a list of PartCategoryParameterTemplate objects.
 
     - GET: Return a list of PartCategoryParameterTemplate objects
diff --git a/src/backend/InvenTree/part/serializers.py b/src/backend/InvenTree/part/serializers.py
index e442d931ee..8a9d1e1acb 100644
--- a/src/backend/InvenTree/part/serializers.py
+++ b/src/backend/InvenTree/part/serializers.py
@@ -1745,7 +1745,9 @@ class BomItemSerializer(
 
 @register_importer()
 class CategoryParameterTemplateSerializer(
-    DataImportExportSerializerMixin, InvenTree.serializers.InvenTreeModelSerializer
+    InvenTree.serializers.FilterableSerializerMixin,
+    DataImportExportSerializerMixin,
+    InvenTree.serializers.InvenTreeModelSerializer,
 ):
     """Serializer for the PartCategoryParameterTemplate model."""
 
@@ -1758,17 +1760,22 @@ class CategoryParameterTemplateSerializer(
             'category',
             'category_detail',
             'template',
-            # 'parameter_template_detail',
+            'template_detail',
             'default_value',
         ]
 
-    # TODO: Re-implement this, but point to the ParameterTemplate model
-    # parameter_template_detail = PartParameterTemplateSerializer(
-    #     source='parameter_template', many=False, read_only=True
-    # )
+    template_detail = enable_filter(
+        common.serializers.ParameterTemplateSerializer(
+            source='template', many=False, read_only=True
+        ),
+        True,
+    )
 
-    category_detail = CategorySerializer(
-        source='category', many=False, read_only=True, allow_null=True
+    category_detail = enable_filter(
+        CategorySerializer(
+            source='category', many=False, read_only=True, allow_null=True
+        ),
+        True,
     )
 
 
diff --git a/src/frontend/src/tables/part/PartCategoryTemplateTable.tsx b/src/frontend/src/tables/part/PartCategoryTemplateTable.tsx
index 6d705afbce..604e18609a 100644
--- a/src/frontend/src/tables/part/PartCategoryTemplateTable.tsx
+++ b/src/frontend/src/tables/part/PartCategoryTemplateTable.tsx
@@ -37,7 +37,7 @@ export default function PartCategoryTemplateTable({
         value: categoryId,
         disabled: categoryId !== undefined
       },
-      parameter_template: {},
+      template: {},
       default_value: {}
     };
   }, [categoryId]);
@@ -83,7 +83,7 @@ export default function PartCategoryTemplateTable({
         accessor: 'category_detail.pathstring'
       },
       {
-        accessor: 'parameter_template_detail.name',
+        accessor: 'template_detail.name',
         title: t`Parameter Template`,
         sortable: true,
         switchable: false
@@ -99,8 +99,8 @@ export default function PartCategoryTemplateTable({
 
           let units = '';
 
-          if (record?.parameter_template_detail?.units) {
-            units = `[${record.parameter_template_detail.units}]`;
+          if (record?.template_detail?.units) {
+            units = `[${record.template_detail.units}]`;
           }
 
           return (
@@ -162,7 +162,9 @@ export default function PartCategoryTemplateTable({
           tableActions: tableActions,
           enableDownload: true,
           params: {
-            category: categoryId
+            category: categoryId,
+            template_detail: true,
+            category_detail: true
           }
         }}
       />