From 59f93ca4134454eb23b3017735a48e1e03f5c628 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Sat, 17 Jan 2026 15:53:34 +1100
Subject: [PATCH] [UI] Default supplier fix (#11142)

* [UI] Fix "default supplier" form

- Select the supplier part instance

* Hide field if part is not purchaseable

* Fix supplier part display
---
 src/frontend/src/forms/PartForms.tsx       | 11 +++++++----
 src/frontend/src/pages/part/PartDetail.tsx | 15 +++++++--------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/frontend/src/forms/PartForms.tsx b/src/frontend/src/forms/PartForms.tsx
index bdb3e25b74..e561614e8c 100644
--- a/src/frontend/src/forms/PartForms.tsx
+++ b/src/frontend/src/forms/PartForms.tsx
@@ -1,4 +1,3 @@
-import { ApiEndpoints, ModelType, apiUrl } from '@lib/index';
 import type { ApiFormFieldSet } from '@lib/types/Forms';
 import { t } from '@lingui/core/macro';
 import { IconBuildingStore, IconCopy, IconPackages } from '@tabler/icons-react';
@@ -10,8 +9,10 @@ import { useGlobalSettingsState } from '../states/SettingsStates';
  */
 export function usePartFields({
   create = false,
+  partId,
   duplicatePartInstance
 }: {
+  partId?: number;
   duplicatePartInstance?: any;
   create?: boolean;
 }): ApiFormFieldSet {
@@ -55,10 +56,11 @@ export function usePartFields({
         }
       },
       default_supplier: {
-        model: ModelType.company,
-        api_url: apiUrl(ApiEndpoints.company_list),
+        hidden: !partId || !purchaseable,
         filters: {
-          is_supplier: true
+          part: partId,
+          part_detail: true,
+          supplier_detail: true
         }
       },
       default_expiry: {},
@@ -199,6 +201,7 @@ export function usePartFields({
 
     return fields;
   }, [
+    partId,
     virtual,
     purchaseable,
     create,
diff --git a/src/frontend/src/pages/part/PartDetail.tsx b/src/frontend/src/pages/part/PartDetail.tsx
index e5f97edfa6..67b942b46c 100644
--- a/src/frontend/src/pages/part/PartDetail.tsx
+++ b/src/frontend/src/pages/part/PartDetail.tsx
@@ -501,13 +501,6 @@ export default function PartDetail() {
         model: ModelType.stocklocation,
         hidden: part.default_location || !part.category_default_location
       },
-      {
-        type: 'link',
-        name: 'default_supplier',
-        label: t`Default Supplier`,
-        model: ModelType.company,
-        hidden: !part.default_supplier
-      },
       {
         type: 'string',
         name: 'units',
@@ -704,6 +697,9 @@ export default function PartDetail() {
         name: 'default_supplier',
         label: t`Default Supplier`,
         model: ModelType.supplierpart,
+        model_formatter: (model: any) => {
+          return model.SKU;
+        },
         hidden: !part.default_supplier
       },
       {
@@ -1066,7 +1062,10 @@ export default function PartDetail() {
     ];
   }, [partRequirements, partRequirementsQuery.isFetching, part]);
 
-  const partFields = usePartFields({ create: false });
+  const partFields = usePartFields({
+    create: false,
+    partId: part.pk
+  });
 
   const editPart = useEditApiFormModal({
     url: ApiEndpoints.part_list,