Skip blocked payments when creating direct debits

Closes #11983

modules/account_payment/CHANGELOG

@@ -1,3 +1,5 @@
+* Skip blocked payments when creating direct debits
+
 Version 6.6.0 - 2022-10-31
 --------------------------
 * Bug fixes (see mercurial logs for details)

modules/account_payment/account.py

@@ -200,6 +200,7 @@ class MoveLine(metaclass=PoolMeta):
                 ('credit', '<', 0),
                 ],
             ('maturity_date', '<=', date),
+            ('payment_blocked', '!=', True),
             ]
 
     @classmethod

modules/account_payment/tests/scenario_account_payment_blocked_direct_debit.rst

@@ -0,0 +1,88 @@
+=====================================
+Payment Blocked Direct Debit Scenario
+=====================================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model, Wizard
+    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.modules.company.tests.tools import (
+    ...     create_company, get_company)
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_fiscalyear, create_chart, get_accounts)
+
+    >>> today = dt.date.today()
+
+Activate modules::
+
+    >>> config = activate_modules('account_payment')
+
+    >>> Journal = Model.get('account.journal')
+    >>> Line = Model.get('account.move.line')
+    >>> Move = Model.get('account.move')
+    >>> Party = Model.get('party.party')
+    >>> Payment = Model.get('account.payment')
+    >>> PaymentJournal = Model.get('account.payment.journal')
+
+Create company::
+
+    >>> _ = create_company()
+    >>> company = get_company()
+
+Create fiscal year::
+
+    >>> fiscalyear = create_fiscalyear(company)
+    >>> fiscalyear.click('create_period')
+
+Create chart of accounts::
+
+    >>> _ = create_chart(company)
+    >>> accounts = get_accounts(company)
+
+    >>> revnue_journal, = Journal.find([('code', '=', 'REV')])
+
+Create payment journal::
+
+    >>> payment_journal = PaymentJournal(
+    ...     name="Manual", process_method='manual')
+    >>> payment_journal.save()
+
+Create parties::
+
+    >>> customer = Party(name="Customer")
+    >>> _ = customer.reception_direct_debits.new(journal=payment_journal)
+    >>> customer.save()
+
+Create receivable moves::
+
+    >>> move = Move()
+    >>> move.journal = revnue_journal
+    >>> line = move.lines.new(
+    ...     account=accounts['receivable'], party=customer,
+    ...     debit=Decimal('100.00'), maturity_date=today)
+    >>> line = move.lines.new(
+    ...     account=accounts['revenue'],
+    ...     credit=Decimal('100.00'))
+    >>> move.click('post')
+
+Direct debit is not created when payment blocked::
+
+    >>> line, = Line.find([('party', '=', customer.id)])
+    >>> line.click('payment_block')
+    >>> create_direct_debit = Wizard('account.move.line.create_direct_debit')
+    >>> create_direct_debit.form.date = today
+    >>> create_direct_debit.execute('create_')
+    >>> len(Payment.find([]))
+    0
+
+Direct debit is created when payment is unblocked::
+
+    >>> line.click('payment_unblock')
+    >>> create_direct_debit = Wizard('account.move.line.create_direct_debit')
+    >>> create_direct_debit.form.date = today
+    >>> create_direct_debit.execute('create_')
+    >>> len(Payment.find([]))
+    1