fix(data-extraction): Handle malformed date_of_birth fields

src/aki_prj23_transparenzregister/models/company.py

@@ -124,7 +124,7 @@ class PersonToCompanyRelationship(CompanyRelationship):
     """Extension of CompanyRelationship with extras for Person."""
 
     name: PersonName
-    date_of_birth: str
+    date_of_birth: str | None
 
 
 @dataclass

tests/utils/data_extraction/unternehmensregister/transform_test.py

@@ -82,6 +82,27 @@ def test_parse_stakeholder_person() -> None:
     assert transform.parse_stakeholder(data) == expected_result
 
 
+def test_parse_stakeholder_person_missing_date_of_birth() -> None:
+    data = {
+        "Beteiligter": {
+            "Natuerliche_Person": {
+                "Voller_Name": {"Vorname": "Stephen", "Nachname": "King"},
+                "Anschrift": {"Ort": "Maine"},
+                "Geburt": {"Geburtsdatum": {"@xsi:nil": "true"}},
+            }
+        },
+        "Rolle": {"Rollenbezeichnung": {"content": "Geschäftsleiter(in)"}},
+    }
+    expected_result = PersonToCompanyRelationship(
+        role=RelationshipRoleEnum.GESCHAEFTSLEITER,  # type: ignore
+        date_of_birth=None,
+        name=PersonName(**{"firstname": "Stephen", "lastname": "King"}),
+        type=CompanyRelationshipEnum.PERSON,
+        location=Location(**{"city": "Maine"}),
+    )
+    assert transform.parse_stakeholder(data) == expected_result
+
+
 def test_parse_stakeholder_org() -> None:
     data = {
         "Beteiligter": {