Added the action button to convert a cash income or cash expense transaction to a transfer transaction.

src/accounting/transaction/template.py

@@ -47,6 +47,21 @@ def with_type(uri: str) -> str:
     return urlunparse(parts)
 
 
+def to_transfer(uri: str) -> str:
+    """Adds the transfer transaction type to the URI.
+
+    :param uri: The URI.
+    :return: The result URL, with the transfer transaction type added.
+    """
+    uri_p: ParseResult = urlparse(uri)
+    params: list[tuple[str, str]] = parse_qsl(uri_p.query)
+    params = [x for x in params if x[0] != "as"]
+    params.append(("as", "transfer"))
+    parts: list[str] = list(uri_p)
+    parts[4] = urlencode(params)
+    return urlunparse(parts)
+
+
 def format_amount(value: Decimal | None) -> str:
     """Formats an amount for readability.
 

src/accounting/transaction/views.py

@@ -36,12 +36,14 @@ from accounting.utils.user import get_current_user_pk
 from .dispatcher import TransactionType, get_txn_type, TXN_TYPE_OBJ
 from .forms import sort_transactions_in, TransactionReorderForm
 from .query import get_transaction_query
-from .template import with_type, format_amount, format_amount_input, \
-    format_date, text2html, currency_options, default_currency_code
+from .template import with_type, to_transfer, format_amount, \
+    format_amount_input, format_date, text2html, currency_options, \
+    default_currency_code
 
 bp: Blueprint = Blueprint("transaction", __name__)
 """The view blueprint for the transaction management."""
 bp.add_app_template_filter(with_type, "accounting_txn_with_type")
+bp.add_app_template_filter(to_transfer, "accounting_txn_to_transfer")
 bp.add_app_template_filter(format_amount, "accounting_txn_format_amount")
 bp.add_app_template_filter(format_amount_input,
                            "accounting_txn_format_amount_input")