Tagesgeld support v2 (#217)

* Add support for Tagesgeld savings account with the new csv format

* Add test for identifying Tagesgeld savings account with the new csv format

---------

Co-authored-by: Max Stabel <M4a1x@users.noreply.github.com>

beancount_dkb/extractors/ec.py

@@ -240,7 +240,7 @@ def identify(self) -> bool:
             metadata_lines = self.extract_metadata_lines()
 
             regex = re.compile(
-                r'^"Girokonto"'
+                r'^"(Girokonto|Tagesgeld)"'
                 + self.csv_delimiter
                 + '"'
                 + re.escape(re.sub(r"\s+", "", self.iban, flags=re.UNICODE))

tests/test_ec_v2.py

@@ -104,6 +104,31 @@ def tmp_file_multiple_transaction(tmp_path, header):
     return tmp_file
 
 
+@pytest.fixture
+def tmp_file_tagesgeld_no_transactions(tmp_path, header):
+    """
+    Fixture for a temporary file for a Savings account (i.e. "Tagesgeld")
+    with no transactions
+    """
+
+    tmp_file = tmp_path / f"{IBAN}.csv"
+    tmp_file.write_text(
+        _format(
+            """
+            "Tagesgeld"{delimiter}"{iban}"
+            ""
+            "Kontostand vom 30.06.2023:"{delimiter}"5.000,01 EUR"
+            ""
+            {header}
+            """,  # NOQA
+            dict(iban=IBAN, header=header.value, delimiter=header.delimiter),
+        ),
+        encoding=ENCODING,
+    )
+
+    return tmp_file
+
+
 def test_file_encoding_raises_deprecation_warning():
     with pytest.deprecated_call():
         ECImporter(IBAN, "Assets:DKB:EC", file_encoding="utf-8")
@@ -115,6 +140,12 @@ def test_identify_correct(tmp_file_single_transaction):
     assert importer.identify(tmp_file_single_transaction)
 
 
+def test_identify_tagesgeld(tmp_file_tagesgeld_no_transactions):
+    importer = ECImporter(IBAN, "Assets:DKB:Savings")
+
+    assert importer.identify(tmp_file_tagesgeld_no_transactions)
+
+
 def test_extract_no_transactions(tmp_file_no_transactions):
     importer = ECImporter(IBAN, "Assets:DKB:EC")