def _show_payment_form(self, context, payment):
amount_available = self.get_credit_available_for_user(context.user.name)
remaining_to_pay = payment['amount'] - amount_available
# Partial payment
if remaining_to_pay > decimal('0'):
# Delete credit
users_credit = self.get_resource('users-credit')
results = users_credit.handler.search(user=context.user.name)
if len(results) == 0:
raise ValueError, 'Error, credit do not exist'
record = results[0]
old_amount = users_credit.handler.get_record_value(record, 'amount')
new_amount = old_amount - payment['amount']
if new_amount < decimal('0'):
users_credit.del_record(record.id)
else:
kw = {'amount': new_amount}
users_credit.update_recod(record.id, **kw)
# Encapsulate in pay view
payment['mode'] = 'paybox' # XXX (Can have another name ?)
payment['amount'] = remaining_to_pay
return self.parent.show_payment_form(context, payment)
# Complete payment
return PaymentWay._show_payment_form(self, context, payment)
