Add substitute details to BOM export (#7563)

* Included substitute IPN to BOM export

* Added Part Revision to BOM export

* removed trailing whitespace

* Update test_bom_export.py

Added Part Revision to test

---------

Co-authored-by: Matthias Mair <code@mjmair.com>

src/backend/InvenTree/part/admin.py

@@ -401,6 +401,9 @@ class BomItemResource(InvenTreeResource):
     part_ipn = Field(
         attribute='sub_part__IPN', column_name=_('Part IPN'), readonly=True
     )
+    part_revision = Field(
+        attribute='sub_part__revision', column_name=_('Part Revision'), readonly=True
+    )
     part_name = Field(
         attribute='sub_part__name', column_name=_('Part Name'), readonly=True
     )

src/backend/InvenTree/part/bom.py

@@ -117,6 +117,14 @@ def ExportBom(
         for bom_item in bom_items:
             substitutes = BomItemSubstitute.objects.filter(bom_item=bom_item)
             for s_idx, substitute in enumerate(substitutes):
+                """Create substitute part IPN column"""
+                name = f'{_("Substitute IPN")}{s_idx + 1}'
+                value = substitute.part.IPN
+                try:
+                    substitute_cols[name].update({col_index: value})
+                except KeyError:
+                    substitute_cols[name] = {col_index: value}
+
                 """Create substitute part name column"""
                 name = f'{_("Substitute Part")}{s_idx + 1}'
                 value = substitute.part.name

src/backend/InvenTree/part/test_bom_export.py

@@ -111,6 +111,7 @@ class BomExportTest(InvenTreeTestCase):
                 'Parent Name',
                 'Part ID',
                 'Part IPN',
+                'Part Revision',
                 'Part Name',
                 'Description',
                 'Assembly',