✨ Introduce optional use_cases per EbdTableRow

src/ebdtable2graph/models/ebd_table.py

@@ -132,6 +132,22 @@ class EbdTableRow:
     """
     One table row splits into multiple sub rows: one sub row for each check result (ja/nein)
     """
+    use_cases: Optional[List[str]] = attrs.field(
+        validator=attrs.validators.optional(
+            attrs.validators.deep_iterable(  # type:ignore[arg-type]
+                member_validator=attrs.validators.instance_of(str),
+                iterable_validator=attrs.validators.min_len(1),  # if the list is not None, it has to have entries
+            )
+        ),
+        default=None,
+    )
+    """
+    If certain rows of the EBD table are only relevant for specific use cases/scenarios, you can denote them here.
+    E.g. E_0462 step_number 15 may only be applied for use_cases=["Einzug"].
+    and E_0462 step_number 16 is only relevant for use_cases=["Einzug",	"iMS/kME mit RLM"].
+
+    None means, there are no restrictions to when the check from the row shall be performed.
+    """
 
     def has_subsequent_steps(self) -> bool:
         """

unittests/test_ebd_table_models.py

@@ -118,6 +118,28 @@ def test_has_subsequent_steps(self, row: EbdTableRow, expected_result: bool):
         actual = row.has_subsequent_steps()
         assert actual == expected_result
 
+    def test_ebd_table_row_use_cases(self):
+        row_17_in_e0462 = EbdTableRow(
+            step_number="17",
+            description="Liegt das Eingangsdatum der Anmeldung mehr als sechs Wochen nach dem Lieferbeginndatum der Anmeldung?",
+            use_cases=["Einzug", "kME ohne RLM/mME/ Pauschalanlage"],
+            sub_rows=[
+                EbdTableSubRow(
+                    check_result=EbdCheckResult(result=True, subsequent_step_number=None),
+                    result_code="A06",
+                    note="Cluster: Ablehnung\nFristüberschreitung bei kME ohne RLM/mME/ Pauschalanlage",
+                ),
+                EbdTableSubRow(
+                    check_result=EbdCheckResult(result=False, subsequent_step_number="21"),
+                    result_code=None,
+                    note=None,
+                ),
+            ],
+        )
+        assert isinstance(row_17_in_e0462, EbdTableRow)
+        assert row_17_in_e0462.use_cases is not None
+        # if it can be instantiated with use cases that's a good enough test for the model
+
     def test_answer_code_aastersik(self):
         """
         This is an example from 6.27.1 E_0455_Information prüfen.