@Transactional
@Override
public EntityIdentifier addLoanCharge(final LoanChargeCommand command) {
this.context.authenticatedUser();
LoanChargeCommandValidator validator = new LoanChargeCommandValidator(command);
validator.validateForCreate();
final Loan loan = this.loanRepository.findOne(command.getLoanId());
if (loan == null) {
throw new LoanNotFoundException(command.getLoanId());
}
final Charge chargeDefinition = this.chargeRepository.findOne(command.getChargeId());
if (chargeDefinition == null || chargeDefinition.isDeleted()) {
throw new ChargeNotFoundException(command.getChargeId());
}
if (!chargeDefinition.isActive()) {
throw new ChargeIsNotActiveException(chargeDefinition.getId(), chargeDefinition.getName());
}
final LoanCharge loanCharge = LoanCharge.createNew(loan, chargeDefinition, command);
if (!loan.hasCurrencyCodeOf(chargeDefinition.getCurrencyCode())) {
String errorMessage = "Charge and Loan must have the same currency.";
throw new InvalidCurrencyException("charge", "attach.to.loan", errorMessage);
}
loan.addLoanCharge(loanCharge);
this.loanRepository.saveAndFlush(loan);
return new EntityIdentifier(loanCharge.getId());
}
@Transactional
@Override
public EntityIdentifier updateLoanCharge(final LoanChargeCommand command) {
this.context.authenticatedUser();
LoanChargeCommandValidator validator = new LoanChargeCommandValidator(command);
validator.validateForUpdate();
final Long loanId = command.getLoanId();
final Loan loan = retrieveLoanBy(loanId);
final Long loanChargeId = command.getId();
final LoanCharge loanCharge = retrieveLoanChargeBy(loanId, loanChargeId);
loan.updateLoanCharge(loanCharge, command);
this.loanRepository.save(loan);
return new EntityIdentifier(loanCharge.getId());
}