Examples with VotingAnswer com.faforever.api.data.domain.VotingAnswer used on opensource projects

Example 6 with VotingAnswer

use of com.faforever.api.data.domain.VotingAnswer in project faf-java-api by FAForever.

the class VotingService method saveVote.

@Transactional
public void saveVote(Vote vote, Player player) {
    vote.setPlayer(player);
    Assert.notNull(vote.getVotingSubject(), "You must specify a subject");
    List<Error> errors = ableToVote(player, vote.getVotingSubject().getId());
    if (vote.getVotingAnswers() == null) {
        vote.setVotingAnswers(Collections.emptySet());
    }
    VotingSubject subject = votingSubjectRepository.findById(vote.getVotingSubject().getId()).orElseThrow(() -> new IllegalArgumentException("Subject of vote not found"));
    vote.getVotingAnswers().forEach(votingAnswer -> {
        VotingChoice votingChoice = votingAnswer.getVotingChoice();
        VotingChoice one = votingChoiceRepository.findById(votingChoice.getId()).orElseThrow(() -> new ApiException(new Error(ErrorCode.VOTING_CHOICE_DOES_NOT_EXIST, votingChoice.getId())));
        votingAnswer.setVotingChoice(one);
        votingAnswer.setVote(vote);
    });
    subject.getVotingQuestions().forEach(votingQuestion -> {
        List<VotingAnswer> votingAnswers = vote.getVotingAnswers().stream().filter(votingAnswer -> votingAnswer.getVotingChoice().getVotingQuestion().equals(votingQuestion)).collect(Collectors.toList());
        long countOfAnswers = votingAnswers.size();
        int maxAnswers = votingQuestion.getMaxAnswers();
        if (maxAnswers < countOfAnswers) {
            errors.add(new Error(ErrorCode.TOO_MANY_ANSWERS, countOfAnswers, maxAnswers));
        }
        if (votingQuestion.isAlternativeQuestion()) {
            for (int i = 0; i < countOfAnswers; i++) {
                int finalI = i;
                long answersWithOrdinal = votingAnswers.stream().filter(votingAnswer -> Objects.equals(votingAnswer.getAlternativeOrdinal(), finalI)).count();
                if (answersWithOrdinal == 1) {
                    continue;
                }
                errors.add(new Error(ErrorCode.MALFORMATTED_ALTERNATIVE_ORDINALS));
            }
        }
    });
    if (!errors.isEmpty()) {
        throw new ApiException(errors.toArray(new Error[0]));
    }
    voteRepository.save(vote);
}

Example 7 with VotingAnswer

use of com.faforever.api.data.domain.VotingAnswer in project faf-java-api by FAForever.

the class VotingSubjectEnricher method getWinners.

private List<VotingChoice> getWinners(VotingQuestion votingQuestion) {
    if (!votingQuestion.isAlternativeQuestion()) {
        OptionalInt max = votingQuestion.getVotingChoices().stream().mapToInt(value -> value.getVotingAnswers().size()).max();
        if (max.isPresent()) {
            return votingQuestion.getVotingChoices().stream().filter(votingChoice -> votingChoice.getVotingAnswers().size() == max.getAsInt()).collect(toList());
        }
        return Collections.emptyList();
    }
    // All the answers sorted by their choice, but only those that are the 1st choice
    Map<VotingChoice, List<VotingAnswer>> votersByChoice = votingQuestion.getVotingChoices().stream().collect(Collectors.toMap(Function.identity(), choice -> new ArrayList<>(choice.getVotingAnswers().stream().filter(votingAnswer -> votingAnswer.getAlternativeOrdinal() == 0).collect(toList()))));
    while (votersByChoice.size() > 1) {
        OptionalInt min = votersByChoice.values().stream().mapToInt(List::size).min();
        List<VotingChoice> candidatesToEliminate = votersByChoice.entrySet().stream().filter(votingChoiceListEntry -> votingChoiceListEntry.getValue().size() == min.getAsInt()).map(Entry::getKey).collect(toList());
        if (candidatesToEliminate.size() == votersByChoice.size()) {
            // We got a problem here, we would eliminate all the candidates if we went on normally
            return candidatesToEliminate;
        }
        candidatesToEliminate.forEach(candidate -> {
            List<VotingAnswer> votingAnswersForCandidate = votersByChoice.get(candidate);
            // Lets distribute the answers of the candidate that is eliminated
            votingAnswersForCandidate.forEach(votingAnswer -> {
                int newAlternativeOrdinal = votingAnswer.getAlternativeOrdinal() + 1;
                votingAnswer.getVote().getVotingAnswers().stream().filter(votingAnswer1 -> votingAnswer1.getVotingChoice().getVotingQuestion().equals(votingAnswer.getVotingChoice().getVotingQuestion()) && votingAnswer1.getAlternativeOrdinal() == newAlternativeOrdinal).findFirst().ifPresent(votingAnswer1 -> {
                    VotingChoice votingChoice1 = votingAnswer1.getVotingChoice();
                    votersByChoice.get(votingChoice1).add(votingAnswer1);
                });
            });
            votersByChoice.remove(candidate);
        });
    }
    Optional<Entry<VotingChoice, List<VotingAnswer>>> first = votersByChoice.entrySet().stream().findFirst();
    return first.map(votingChoiceListEntry -> Collections.singletonList(votingChoiceListEntry.getKey())).orElse(Collections.emptyList());
}