Renamed the debit and credit methods in the Account data model to selectable_debit and selectable_credit, to be clear.

src/accounting/journal_entry/forms/journal_entry.py

@@ -220,7 +220,7 @@ class JournalEntryForm(FlaskForm):
         :return: The selectable debit accounts.
         """
         accounts: list[AccountOption] \
-            = [AccountOption(x) for x in Account.debit()
+            = [AccountOption(x) for x in Account.selectable_debit()
                if not (x.code[0] == "2" and x.is_need_offset)]
         in_use: set[int] = set(db.session.scalars(
             sa.select(JournalEntryLineItem.account_id)
@@ -237,7 +237,7 @@ class JournalEntryForm(FlaskForm):
         :return: The selectable credit accounts.
         """
         accounts: list[AccountOption] \
-            = [AccountOption(x) for x in Account.credit()
+            = [AccountOption(x) for x in Account.selectable_credit()
                if not (x.code[0] == "1" and x.is_need_offset)]
         in_use: set[int] = set(db.session.scalars(
             sa.select(JournalEntryLineItem.account_id)

src/accounting/models.py

@@ -269,10 +269,11 @@ class Account(db.Model):
                                 cls.no == int(m.group(2))).first()
 
     @classmethod
-    def debit(cls) -> list[t.Self]:
+    def selectable_debit(cls) -> list[t.Self]:
-        """Returns the debit accounts.
+        """Returns the selectable debit accounts.
+        Payable line items can not start from debit.
 
-        :return: The debit accounts.
+        :return: The selectable debit accounts.
         """
         return cls.query.filter(sa.or_(cls.base_code.startswith("1"),
                                        sa.and_(cls.base_code.startswith("2"),
@@ -291,10 +292,11 @@ class Account(db.Model):
             .order_by(cls.base_code, cls.no).all()
 
     @classmethod
-    def credit(cls) -> list[t.Self]:
+    def selectable_credit(cls) -> list[t.Self]:
-        """Returns the debit accounts.
+        """Returns the selectable debit accounts.
+        Receivable line items can not start from credit.
 
-        :return: The debit accounts.
+        :return: The selectable debit accounts.
         """
         return cls.query.filter(sa.or_(sa.and_(cls.base_code.startswith("1"),
                                                sa.not_(cls.is_need_offset)),

src/accounting/option/forms.py

@@ -202,7 +202,7 @@ class RecurringForm(RecurringItemForm):
 
         :return: None.
         """
-        return Account.debit()
+        return Account.selectable_debit()
 
     @property
     def income_accounts(self) -> list[Account]:
@@ -210,7 +210,7 @@ class RecurringForm(RecurringItemForm):
 
         :return: None.
         """
-        return Account.credit()
+        return Account.selectable_credit()
 
     @property
     def as_data(self) -> dict[str, list[tuple[str, str, str]]]: