On order filter (#12476)

* Add "on order" filter for Part model

- Added API filter
- Added table filter
- Added table column

* Bump API version

* Add table sorting

* Adjust API text

src/backend/InvenTree/InvenTree/api_version.py

@@ -1,11 +1,15 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 528
+INVENTREE_API_VERSION = 529
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
+v529 -> 2026-07-26 : https://github.com/inventree/InvenTree/pull/12471
+    - Adds "on_order" filter to the Part API
+    - Enable sorting by "ordering" quantity on the Part API endpoint
+
 v528 -> 2026-07-26 : https://github.com/inventree/InvenTree/pull/12469
     - Additional ordering options for SalesOrderAllocation API endpoint
 

src/backend/InvenTree/part/api.py

@@ -784,6 +784,15 @@ class PartFilter(FilterSet):
             return queryset.filter(Q(unallocated_stock__gt=0))
         return queryset.filter(Q(unallocated_stock__lte=0))
 
+    # on_order filter
+    on_order = rest_filters.BooleanFilter(label='On order', method='filter_on_order')
+
+    def filter_on_order(self, queryset, name, value):
+        """Filter by whether the Part has any stock on order."""
+        if str2bool(value):
+            return queryset.filter(Q(ordering__gt=0))
+        return queryset.filter(Q(ordering__lte=0))
+
     convert_from = rest_filters.ModelChoiceFilter(
         label='Can convert from',
         queryset=Part.objects.all(),
@@ -1096,6 +1105,7 @@ class PartList(
         'name',
         'creation_date',
         'IPN',
+        'ordering',
         'in_stock',
         'total_in_stock',
         'unallocated_stock',

src/backend/InvenTree/part/test_api.py

@@ -2782,6 +2782,25 @@ class PartAPIAggregationTest(InvenTreeAPITestCase):
             # The annotated quantity must also match the part.on_order quantity
             self.assertEqual(on_order, p.on_order)
 
+        # Test the 'on_order' filter
+        response = self.get(
+            reverse('api-part-list'),
+            {'category': paint.pk, 'on_order': True},
+            expected_code=200,
+        )
+
+        for item in response.data:
+            self.assertGreater(item['ordering'], 0)
+
+        response = self.get(
+            reverse('api-part-list'),
+            {'category': paint.pk, 'on_order': False},
+            expected_code=200,
+        )
+
+        for item in response.data:
+            self.assertLessEqual(item['ordering'], 0)
+
     def test_building(self):
         """Test the 'building' quantity annotations."""
         # Create a new "buildable" part

src/frontend/src/components/tables/PartStockCell.tsx

@@ -29,7 +29,7 @@ export function renderPartStockCell(record: any): ReactNode {
 
   if (min_stock > stock) {
     extra.push(
-      <Text key='min-stock' c='orange'>
+      <Text key='min-stock' c='orange' size='sm'>
         {`${t`Minimum stock`}: ${formatDecimal(min_stock)}`}
       </Text>
     );
@@ -39,7 +39,7 @@ export function renderPartStockCell(record: any): ReactNode {
 
   if (max_stock > 0 && stock > max_stock) {
     extra.push(
-      <Text key='max-stock' c='teal'>
+      <Text key='max-stock' c='teal' size='sm'>
         {`${t`Maximum stock`}: ${formatDecimal(max_stock)}`}
       </Text>
     );
@@ -47,19 +47,25 @@ export function renderPartStockCell(record: any): ReactNode {
 
   if (record.ordering > 0) {
     extra.push(
-      <Text key='on-order'>{`${t`On Order`}: ${formatDecimal(record.ordering)}`}</Text>
+      <Text
+        key='on-order'
+        size='sm'
+      >{`${t`On Order`}: ${formatDecimal(record.ordering)}`}</Text>
     );
   }
 
   if (record.building) {
     extra.push(
-      <Text key='building'>{`${t`Building`}: ${formatDecimal(record.building)}`}</Text>
+      <Text
+        key='building'
+        size='sm'
+      >{`${t`Building`}: ${formatDecimal(record.building)}`}</Text>
     );
   }
 
   if (record.allocated_to_build_orders > 0) {
     extra.push(
-      <Text key='bo-allocations'>
+      <Text key='bo-allocations' size='sm'>
         {`${t`Build Order Allocations`}: ${formatDecimal(record.allocated_to_build_orders)}`}
       </Text>
     );
@@ -67,7 +73,7 @@ export function renderPartStockCell(record: any): ReactNode {
 
   if (record.allocated_to_sales_orders > 0) {
     extra.push(
-      <Text key='so-allocations'>
+      <Text key='so-allocations' size='sm'>
         {`${t`Sales Order Allocations`}: ${formatDecimal(record.allocated_to_sales_orders)}`}
       </Text>
     );
@@ -75,7 +81,7 @@ export function renderPartStockCell(record: any): ReactNode {
 
   if (available != stock) {
     extra.push(
-      <Text key='available'>
+      <Text key='available' size='sm'>
         {t`Available`}: {formatDecimal(available)}
       </Text>
     );
@@ -83,7 +89,7 @@ export function renderPartStockCell(record: any): ReactNode {
 
   if (record.external_stock > 0) {
     extra.push(
-      <Text key='external'>
+      <Text key='external' size='sm'>
         {t`External stock`}: {formatDecimal(record.external_stock)}
       </Text>
     );

src/frontend/src/tables/part/PartTable.tsx

@@ -23,6 +23,7 @@ import { ActionDropdown } from '../../components/items/ActionDropdown';
 import {
   BooleanColumn,
   CategoryColumn,
+  DecimalColumn,
   DefaultLocationColumn,
   DescriptionColumn,
   IPNColumn,
@@ -85,6 +86,13 @@ function partTableColumns(): TableColumn[] {
       filter: ['has_stock', 'low_stock', 'high_stock'],
       render: renderPartStockCell
     },
+    DecimalColumn({
+      accessor: 'ordering',
+      title: t`On Order`,
+      filter: 'on_order',
+      sortable: true,
+      defaultVisible: false
+    }),
     {
       accessor: 'price_range',
       title: t`Price Range`,

src/frontend/src/tables/part/PartTableFilters.tsx

@@ -144,6 +144,12 @@ export function PartTableFilters(): TableFilter[] {
       description: t`Filter by parts which have available stock`,
       type: 'boolean'
     },
+    {
+      name: 'on_order',
+      label: t`On Order`,
+      description: t`Filter by parts which are on order`,
+      type: 'boolean'
+    },
     {
       name: 'starred',
       label: t`Subscribed`,