registrasion/controllers/invoice.py
def void(self):
        ''' Voids the invoice if it is valid to do so. '''
        if self.invoice.total_payments() > 0:
            raise ValidationError("Invoices with payments must be refunded.")
        elif self.invoice.is_refunded:
            raise ValidationError("Refunded invoices may not be voided.")
        if self.invoice.is_paid:
            self._release_cart()

        self._mark_void()
def void(self):
        ''' Voids the invoice if it is valid to do so. '''
        if self.invoice.total_payments() > 0:
            raise ValidationError("Invoices with payments must be refunded.")
        elif self.invoice.is_refunded:
            raise ValidationError("Refunded invoices may not be voided.")
        if self.invoice.is_paid:
            self._release_cart()

        self._mark_void()
def void ( self ) : if self . invoice . total_payments ( ) > 0 : raise ValidationError ( "Invoices with payments must be refunded." ) elif self . invoice . is_refunded : raise ValidationError ( "Refunded invoices may not be voided." ) if self . invoice . is_paid : self . _release_cart ( ) self . _mark_void ( )
Voids the invoice if it is valid to do so.
Voids the invoice if it is valid to do so .