Added the accounting_txn_format_amount_input template filter to properly format the decimal amount for the number input fields.

src/accounting/transaction/template.py

@@ -60,6 +60,17 @@ def format_amount(value: Decimal | None) -> str:
     return "{:,}".format(whole) + str(frac)[1:]
 
 
+def format_amount_input(value: Decimal) -> str:
+    """Format an amount for an input value.
+
+    :param value: The amount.
+    :return: The formatted amount text for an input value.
+    """
+    whole: int = int(value)
+    frac: Decimal = (value - whole).normalize()
+    return str(whole) + str(frac)[1:]
+
+
 def format_date(value: date) -> str:
     """Formats a date to be human-friendly.
 

src/accounting/transaction/views.py

@@ -34,8 +34,8 @@ from accounting.utils.pagination import Pagination
 from accounting.utils.permission import has_permission, can_view, can_edit
 from accounting.utils.user import get_current_user_pk
 from .dispatcher import TransactionType, get_txn_type, TXN_TYPE_OBJ
-from .template import with_type, format_amount, format_date, text2html, \
-    currency_options, default_currency_code
+from .template import with_type, format_amount, format_amount_input, \
+    format_date, text2html, currency_options, default_currency_code
 from .forms import sort_transactions_in, TransactionReorderForm
 from .query import get_transaction_query
 
@@ -43,6 +43,8 @@ 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(format_amount, "accounting_txn_format_amount")
+bp.add_app_template_filter(format_amount_input,
+                           "accounting_txn_format_amount_input")
 bp.add_app_template_filter(format_date, "accounting_txn_format_date")
 bp.add_app_template_filter(text2html, "accounting_txn_text2html")
 bp.add_app_template_global(currency_options, "accounting_txn_currency_options")