package jnpf.tmsUtil;
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import jnpf.tmsEntity.TmsQuizScoreEntity;
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import jnpf.tmsEntity.TmsTaskQuizEntity;
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import jnpf.tmsEntity.record.TmsQuizAnswerItemVO;
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import jnpf.tmsEntity.record.TmsQuizAnswerPaperVO;
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import jnpf.util.StringUtil;
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import java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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/**
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* 提问人数与答卷组装。
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*/
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public final class TmsQuizHelper {
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private TmsQuizHelper() {
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}
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/**
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* @param signedCount 签到人数
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* @param quizRatio 提问比例（百分比，如 10 表示 10%）
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*/
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public static int quizCount(int signedCount, Integer quizRatio) {
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if (signedCount <= 0 || quizRatio == null || quizRatio <= 0) {
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return 0;
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}
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return (int) Math.ceil(signedCount * quizRatio / 100.0);
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}
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/** trim + 忽略大小写全等 */
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public static boolean answersMatch(String expect, String actual) {
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String a = expect == null ? "" : expect.trim().toLowerCase(Locale.ROOT);
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String b = actual == null ? "" : actual.trim().toLowerCase(Locale.ROOT);
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return a.equals(b);
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}
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/**
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* 组装提问答卷：学员答案来自 {@code tms_quiz_score}，参考答案按题干匹配预设。
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*/
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public static TmsQuizAnswerPaperVO buildAnswerPaper(
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String recordId,
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String taskId,
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String userId,
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String userName,
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String passFlag,
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String quizTime,
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List<TmsQuizScoreEntity> scores,
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List<TmsTaskQuizEntity> presets) {
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TmsQuizAnswerPaperVO paper = new TmsQuizAnswerPaperVO();
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paper.setRecordId(recordId);
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paper.setTaskId(taskId);
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paper.setUserId(userId);
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paper.setUserName(userName);
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paper.setPassFlag(passFlag);
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paper.setQuizTime(quizTime);
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Map<String, String> refByQuestion = new HashMap<>();
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Map<String, Integer> sortByQuestion = new HashMap<>();
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if (presets != null) {
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for (TmsTaskQuizEntity p : presets) {
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if (p == null || StringUtil.isEmpty(p.getQuestion())) {
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continue;
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}
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String key = normalizeQuestion(p.getQuestion());
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refByQuestion.putIfAbsent(key, p.getAnswer());
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if (p.getSortNo() != null) {
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sortByQuestion.putIfAbsent(key, p.getSortNo());
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}
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}
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}
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List<TmsQuizAnswerItemVO> items = new ArrayList<>();
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BigDecimal total = BigDecimal.ZERO;
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if (scores != null) {
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int fallbackNo = 1;
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for (TmsQuizScoreEntity row : scores) {
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if (row == null) {
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continue;
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}
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String key = normalizeQuestion(row.getQuestion());
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String ref = refByQuestion.get(key);
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BigDecimal score = row.getScore() == null ? BigDecimal.ZERO : row.getScore();
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total = total.add(score);
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boolean correct = score.compareTo(BigDecimal.ZERO) > 0
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|| (ref != null && answersMatch(ref, row.getAnswer()));
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TmsQuizAnswerItemVO item = new TmsQuizAnswerItemVO();
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item.setId(row.getId());
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item.setSortNo(sortByQuestion.getOrDefault(key, fallbackNo));
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item.setQuestion(row.getQuestion());
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item.setUserAnswer(row.getAnswer());
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item.setRefAnswer(ref);
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item.setScore(score);
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item.setCorrect(correct);
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items.add(item);
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fallbackNo++;
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}
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}
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items.sort((a, b) -> {
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int sa = a.getSortNo() == null ? 0 : a.getSortNo();
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int sb = b.getSortNo() == null ? 0 : b.getSortNo();
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return Integer.compare(sa, sb);
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});
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paper.setItems(items);
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paper.setTotalScore(total);
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return paper;
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}
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private static String normalizeQuestion(String q) {
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return q == null ? "" : q.trim();
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}
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public static List<TmsQuizScoreEntity> emptyScores() {
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return Collections.emptyList();
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}
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}
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