@Atomic
public static ActionError run(String selectedGroupProposalOID) throws FenixServiceException {
final GroupProposal groupProposal = FenixFramework.getDomainObject(selectedGroupProposalOID);
if (groupProposal != null) {
final Proposal proposal = groupProposal.getFinalDegreeWorkProposal();
final FinalDegreeWorkGroup group = groupProposal.getFinalDegreeDegreeWorkGroup();
if (proposal != null && group != null) {
final Proposal proposalAttributedToGroup = group.getProposalAttributedByTeacher();
if (proposalAttributedToGroup != null && proposalAttributedToGroup != proposal) {
return new ActionError(
"error.message.GroupAlreadyAttributed",
proposalAttributedToGroup.getProposalNumber());
}
if (proposal.getGroupAttributedByTeacher() == null
|| proposal.getGroupAttributedByTeacher() != group) {
proposal.setGroupAttributedByTeacher(group);
for (GroupProposal otherGroupProposal : group.getGroupProposalsSet()) {
Proposal otherProposal = otherGroupProposal.getFinalDegreeWorkProposal();
if (otherProposal != proposal && group == otherProposal.getGroupAttributedByTeacher()) {
otherProposal.setGroupAttributedByTeacher(null);
}
}
} else {
proposal.setGroupAttributedByTeacher(null);
}
}
}
return null;
}
