Import internal price (#12341)

* Enable download from frontend panels

* Enable data import for part internal pricing

* 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 = 517
+INVENTREE_API_VERSION = 518
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
+v518 -> 2026-07-09 : https://github.com/inventree/InvenTree/pull/12341
+    - Enable import of internal part prices via the API
+
 v517 -> 2026-07-08 : https://github.com/inventree/InvenTree/pull/12336
     - Fix currency code options for the PartPricing  model and API endpoints
 

src/backend/InvenTree/part/migrations/0067_partinternalpricebreak.py

@@ -26,6 +26,7 @@ class Migration(migrations.Migration):
             ],
             options={
                 'unique_together': {('part', 'quantity')},
+                'verbose_name': 'Part Internal Price Break',
             },
         ),
     ]

src/backend/InvenTree/part/models.py

@@ -3599,6 +3599,7 @@ class PartInternalPriceBreak(common.models.PriceBreak):
         """Metaclass providing extra model definition."""
 
         unique_together = ('part', 'quantity')
+        verbose_name = _('Part Internal Price Break')
 
     @staticmethod
     def get_api_url():

src/backend/InvenTree/part/serializers.py

@@ -276,7 +276,10 @@ class PartSalePriceSerializer(
     )
 
 
-class PartInternalPriceSerializer(InvenTree.serializers.InvenTreeModelSerializer):
+@register_importer()
+class PartInternalPriceSerializer(
+    DataImportExportSerializerMixin, InvenTree.serializers.InvenTreeModelSerializer
+):
     """Serializer for internal prices for Part model."""
 
     class Meta:

src/frontend/src/pages/part/pricing/PriceBreakPanel.tsx

@@ -161,7 +161,8 @@ export default function PriceBreakPanel({
               part: part.pk
             },
             tableActions: tableActions,
-            rowActions: rowActions
+            rowActions: rowActions,
+            enableDownload: true
           }}
         />
         {table.records.length > 0 ? (

src/frontend/src/pages/part/pricing/SupplierPricingPanel.tsx

@@ -55,7 +55,8 @@ export default function SupplierPricingPanel({
             base_part: part.pk,
             supplier_detail: true,
             part_detail: true
-          }
+          },
+          enableDownload: true
         }}
       />
       {supplierPricingData.length > 0 ? (