Apply pattern to BuildOrder

src/backend/InvenTree/build/serializers.py

@@ -34,6 +34,7 @@ from generic.states.fields import InvenTreeCustomStatusSerializerMixin
 from InvenTree.mixins import DataImportExportSerializerMixin
 from InvenTree.serializers import (
     CustomStatusSerializerMixin,
+    DuplicateOptionsSerializer,
     FilterableSerializerMixin,
     InvenTreeDecimalField,
     InvenTreeModelSerializer,
@@ -67,6 +68,11 @@ class BuildSerializer(
 ):
     """Serializes a Build object."""
 
+    export_exclude_fields = ['duplicate']
+    import_exclude_fields = ['duplicate']
+
+    SKIP_CREATE_FIELDS = ['duplicate']
+
     class Meta:
         """Serializer metaclass."""
 
@@ -80,6 +86,7 @@ class BuildSerializer(
             'completed',
             'completion_date',
             'destination',
+            'duplicate',
             'external',
             'parent',
             'part',
@@ -190,12 +197,29 @@ class BuildSerializer(
 
         return queryset
 
+    duplicate = DuplicateOptionsSerializer(Build.objects.all(), copy_parameters=True)
+
     def __init__(self, *args, **kwargs):
         """Determine if extra serializer fields are required."""
         kwargs.pop('create', False)
 
         super().__init__(*args, **kwargs)
 
+    @transaction.atomic
+    def create(self, validated_data):
+        """Create a new Build instance, optionally copying data from an existing build."""
+        duplicate = validated_data.pop('duplicate', None)
+
+        instance = super().create(validated_data)
+
+        if duplicate:
+            original = duplicate['original']
+
+            if duplicate.get('copy_parameters', True):
+                instance.copy_parameters_from(original)
+
+        return instance
+
     def validate_reference(self, reference):
         """Custom validation for the Build reference field."""
         # Ensure the reference matches the required pattern

src/frontend/src/forms/BuildForms.tsx

@@ -43,9 +43,11 @@ import { ProjectCodeField, TagsField } from './CommonFields';
  */
 export function useBuildOrderFields({
   create,
+  duplicateBuildId,
   modalId
 }: {
   create: boolean;
+  duplicateBuildId?: number | null;
   modalId: string;
 }): ApiFormFieldSet {
   const [destination, setDestination] = useState<number | null | undefined>(
@@ -133,7 +135,16 @@ export function useBuildOrderFields({
           is_active: true
         }
       },
-      external: {}
+      external: {},
+      duplicate: {
+        children: {
+          original: {
+            value: duplicateBuildId,
+            hidden: true
+          },
+          copy_parameters: {}
+        }
+      }
     };
 
     if (!globalSettings.isSet('PROJECT_CODES_ENABLED', true)) {
@@ -144,8 +155,19 @@ export function useBuildOrderFields({
       delete fields.external;
     }
 
+    if (!duplicateBuildId) {
+      delete fields.duplicate;
+    }
+
     return fields;
-  }, [create, destination, batchCode, batchGenerator.result, globalSettings]);
+  }, [
+    create,
+    destination,
+    batchCode,
+    batchGenerator.result,
+    globalSettings,
+    duplicateBuildId
+  ]);
 }
 
 export function useBuildOrderOutputFields({

src/frontend/src/pages/build/BuildDetail.tsx

@@ -632,6 +632,7 @@ export default function BuildDetail() {
 
   const duplicateBuildOrderFields = useBuildOrderFields({
     create: false,
+    duplicateBuildId: build.pk,
     modalId: 'duplicate-build-order'
   });