/**
* If the registration is being set to completed for the first time, then we need to calculate the
* total due based on the completed timestamp and early registration data.
*/
public void setTotalDue(
Registration apiUpdatedRegistration,
RegistrationEntity registrationEntityCopyOfApiRegistration,
RegistrationEntity originalRegistrationEntity,
CrsApplicationUser loggedInAdmin) {
if (apiUpdatedRegistration.getCompleted() && !originalRegistrationEntity.getCompleted()) {
ConferenceCostsEntity conferenceCostsEntity =
conferenceCostsService.fetchBy(apiUpdatedRegistration.getConferenceId());
registrationEntityCopyOfApiRegistration.setTotalDue(conferenceCostsEntity.getBaseCost());
if (conferenceCostsEntity.isEarlyRegistrationDiscount()
&& conferenceCostsEntity.getEarlyRegistrationCutoff() != null
&& registrationEntityCopyOfApiRegistration
.getCompletedTimestamp()
.isBefore(conferenceCostsEntity.getEarlyRegistrationCutoff())) {
registrationEntityCopyOfApiRegistration.setTotalDue(
conferenceCostsEntity
.getBaseCost()
.subtract(conferenceCostsEntity.getEarlyRegistrationAmount()));
}
}
administratorOverrideTotalDue(
apiUpdatedRegistration,
registrationEntityCopyOfApiRegistration,
originalRegistrationEntity,
loggedInAdmin);
ensureStoredValuesDontGetErased(
registrationEntityCopyOfApiRegistration, originalRegistrationEntity);
}
/**
* A user with update rights on the conference can set the totalDue to a different amount, but not
* for his/her own registration.
*
* @param apiUpdatedRegistration - the values received from the client via web API
* @param registrationEntityCopyOfApiRegistration - a database entity copied from
* apiUpdatedRegistration. this object will eventually be saved to DB
* @param originalRegistrationEntity - a copy of the registrationEntity that is in the database at
* the time this update was requested
* @param loggedInAdmin - the user who is logged in.
*/
private void administratorOverrideTotalDue(
Registration apiUpdatedRegistration,
RegistrationEntity registrationEntityCopyOfApiRegistration,
RegistrationEntity originalRegistrationEntity,
CrsApplicationUser loggedInAdmin) {
Preconditions.checkNotNull(originalRegistrationEntity);
/* Get the original total due from either the originalRegistrationEntity (saved on a previous update)
* or in regstrationEntityCopyOfApiRegistration (calculated on this updated)
*/
BigDecimal originalTotalDue =
originalRegistrationEntity.getTotalDue() != null
? originalRegistrationEntity.getTotalDue()
: registrationEntityCopyOfApiRegistration.getTotalDue();
/* If the updated registration's total due is null or zero, or if the updated registration
* and original registraiton's total due match.. then no update is needed
*/
if (apiUpdatedRegistration.getTotalDue() == null
|| apiUpdatedRegistration.getTotalDue().equals(new BigDecimal("0"))
|| apiUpdatedRegistration.getTotalDue().compareTo(originalTotalDue) == 0) return;
authorizationService.authorizeConference(
conferenceService.fetchConferenceBy(apiUpdatedRegistration.getConferenceId()),
OperationType.UPDATE,
loggedInAdmin);
registrationEntityCopyOfApiRegistration.setTotalDue(apiUpdatedRegistration.getTotalDue());
}
private void ensureStoredValuesDontGetErased(
RegistrationEntity registrationEntityCopyOfApiRegistration,
RegistrationEntity originalRegistrationEntity) {
if (registrationEntityCopyOfApiRegistration.getCompletedTimestamp() == null
&& originalRegistrationEntity.getCompletedTimestamp() != null) {
registrationEntityCopyOfApiRegistration.setCompletedTimestamp(
originalRegistrationEntity.getCompletedTimestamp());
}
if (registrationEntityCopyOfApiRegistration.getTotalDue() == null
&& originalRegistrationEntity.getTotalDue() != null) {
registrationEntityCopyOfApiRegistration.setTotalDue(originalRegistrationEntity.getTotalDue());
}
}