@Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
public void deleteInstallmentsByAmount(Sale sale, Double amount) {
List<Installment> installments = getInstallments(sale);
Double balance = amount;
List<Installment> toDelete = new ArrayList<Installment>();
Installment toMerge = null;
for (Installment i : installments) {
balance = ServerTools.round(balance - i.getAmount());
if (balance >= 0) {
toDelete.add(i);
} else {
toMerge = i;
toMerge.setAmount(balance * -1);
break;
}
}
for (Installment i : toDelete) {
installmentService.remove(i, true);
}
if (toMerge != null) {
installmentService.save(toMerge, true);
}
}
private void addCustomInstallmentsDefinition(Sale sale, List<Installment> installments) {
if (sale.getInstallmentsDefinition() == null
|| sale.getPaymentType() == PaymentType.onePayment
|| sale.getInstallmentsDefinition().getInstallmentsType() == null
|| sale.getInstallmentsDefinition().getInstallmentsFrequency() == null
|| sale.getInstallmentsDefinition().getInstallmentsFrequency()
== InstallmentsFrequency.custom
&& GenericTools.isEmpty(installments)) {
sale.setPaymentType(PaymentType.onePayment);
sale.setInstallmentsDefinition(null);
} else {
InstallmentsDefinition installDef = sale.getInstallmentsDefinition();
sale.setPaymentMethod(null);
if (installDef.getInstallmentsFrequency() == InstallmentsFrequency.periodical) {
installDef.setInstallmentsPeriodicalStartDate(
GenericTools.getDateFromString(installDef.getInstallmentsPeriodicalStartDateString()));
} else {
// Clear periodical values
installDef.setInstallmentsPeriodicalStartDate(null);
installDef.setInstallmentsPeriodicalPrice(null);
}
if (sale.getInstallmentsDefinition().getInstallmentsFrequency()
== InstallmentsFrequency.custom) {
List<Installment> customInstallmentDefList = new ArrayList<Installment>();
for (Installment installment : installments) {
Installment customInstallmentDef = new Installment();
customInstallmentDef.setDate(GenericTools.getDateFromString(installment.getDateString()));
// In drafts, amount can be null (but in database)
customInstallmentDef.setAmount(
installment.getAmount() == null ? 0 : installment.getAmount());
customInstallmentDef.setInstallmentsDefinition(sale.getInstallmentsDefinition());
customInstallmentDefList.add(customInstallmentDef);
}
sale.getInstallmentsDefinition().setInstallments(customInstallmentDefList);
} else if (sale.getInstallmentsDefinition().getInstallmentsType()
== InstallmentsType.undefined) {
// Clear defined value
installDef.setInstallmentsNumber(0);
Date lastInstallmentDate =
installments.isEmpty()
? sale.getInstallmentsDefinition().getInstallmentsPeriodicalStartDate()
: installments.get(installments.size() - 1).getDate();
Date nextUndefinedInstallment;
if (installments.isEmpty()) {
nextUndefinedInstallment = lastInstallmentDate;
} else {
nextUndefinedInstallment =
sale.getInstallmentsDefinition()
.addNToDate(
new ServerTools(),
lastInstallmentDate,
sale.getInstallmentsDefinition().getInstallmentsPeriodicalFrequency(),
sale.getInstallmentsDefinition().getInstallmentsPeriodicalFrequencyN());
}
sale.getInstallmentsDefinition().setNextUndefinedInstallment(nextUndefinedInstallment);
}
}
}