liuyu
21 小时以前 6eef0b6730d940ef44e0f66dd8e7d178f1cd2d1f
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package jnpf.tmsService.impl;
 
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import jnpf.exception.DataException;
import jnpf.tmsEntity.TmsAnnualPlanEntity;
import jnpf.tmsEntity.TmsAnnualPlanItemEntity;
import jnpf.tmsEntity.TmsMaterialEntity;
import jnpf.tmsEntity.TmsPaperEntity;
import jnpf.tmsEntity.TmsPersonTaskEntity;
import jnpf.tmsEntity.TmsPlaceEntity;
import jnpf.tmsEntity.TmsPostPlanEntity;
import jnpf.tmsEntity.TmsPostPlanItemEntity;
import jnpf.tmsEntity.TmsRecordEntity;
import jnpf.tmsEntity.TmsTaskEntity;
import jnpf.tmsEntity.TmsTaskFileEntity;
import jnpf.tmsEntity.TmsTrainerEntity;
import jnpf.tmsEntity.task.TmsFromPlanResult;
import jnpf.tmsEntity.task.TmsPersonTaskForm;
import jnpf.tmsEntity.task.TmsTaskFileForm;
import jnpf.tmsEntity.task.TmsTaskForm;
import jnpf.tmsEntity.task.TmsTaskQuery;
import jnpf.tmsMapper.TmsAnnualPlanItemMapper;
import jnpf.tmsMapper.TmsAnnualPlanMapper;
import jnpf.tmsMapper.TmsMaterialMapper;
import jnpf.tmsMapper.TmsPaperMapper;
import jnpf.tmsMapper.TmsPersonTaskMapper;
import jnpf.tmsMapper.TmsPlaceMapper;
import jnpf.tmsMapper.TmsPostPlanItemMapper;
import jnpf.tmsMapper.TmsPostPlanMapper;
import jnpf.tmsMapper.TmsRecordMapper;
import jnpf.tmsMapper.TmsTaskFileMapper;
import jnpf.tmsMapper.TmsTaskMapper;
import jnpf.tmsMapper.TmsTrainerMapper;
import jnpf.tmsService.TmsTaskService;
import jnpf.util.DateUtil;
import jnpf.util.RandomUtil;
import jnpf.util.StringUtil;
import jnpf.util.UserProvider;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
import java.time.LocalDate;
import java.time.YearMonth;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
 
@Service
@RequiredArgsConstructor
public class TmsTaskServiceImpl implements TmsTaskService {
 
    private static final String STATUS_DRAFT = "draft";
    private static final String STATUS_PUBLISHED = "published";
    private static final String STATUS_CANCELLED = "cancelled";
 
    private static final String PERSON_TODO = "todo";
    private static final String PERSON_SIGNED = "signed";
    private static final String PERSON_DONE = "done";
    private static final String PERSON_CANCELLED = "cancelled";
 
    private static final String PREFIX_DRAFT = "TD";
    private static final String PREFIX_PUBLISH = "TT";
    private static final String FMT = "yyyy-MM-dd HH:mm:ss";
 
    private final TmsTaskMapper taskMapper;
    private final TmsTrainerMapper trainerMapper;
    private final TmsPersonTaskMapper personTaskMapper;
    private final TmsRecordMapper recordMapper;
    private final TmsPaperMapper paperMapper;
    private final TmsMaterialMapper materialMapper;
    private final TmsTaskFileMapper taskFileMapper;
    private final TmsPlaceMapper placeMapper;
    private final TmsAnnualPlanMapper annualPlanMapper;
    private final TmsAnnualPlanItemMapper annualPlanItemMapper;
    private final TmsPostPlanMapper postPlanMapper;
    private final TmsPostPlanItemMapper postPlanItemMapper;
 
    @Override
    public List<TmsTaskForm> getList(TmsTaskQuery query) {
        LambdaQueryWrapper<TmsTaskEntity> qw = new LambdaQueryWrapper<>();
        if (StringUtil.isNotEmpty(query.getPublishStatus())) {
            qw.eq(TmsTaskEntity::getPublishStatus, query.getPublishStatus());
        }
        if (StringUtil.isNotEmpty(query.getTrainMode())) {
            qw.eq(TmsTaskEntity::getTrainMode, query.getTrainMode());
        }
        if (StringUtil.isNotEmpty(query.getSourceType())) {
            qw.eq(TmsTaskEntity::getSourceType, query.getSourceType());
        }
        if (StringUtil.isNotEmpty(query.getKeyword()) && !"null".equalsIgnoreCase(query.getKeyword())) {
            String kw = query.getKeyword().trim();
            qw.and(w -> w.like(TmsTaskEntity::getTaskNo, kw).or().like(TmsTaskEntity::getSubject, kw));
        }
        Date from = parseDayStart(query.getStartTimeFrom());
        Date to = parseDayEnd(query.getStartTimeTo());
        if (from != null) {
            qw.ge(TmsTaskEntity::getStartTime, from);
        }
        if (to != null) {
            qw.le(TmsTaskEntity::getStartTime, to);
        }
        qw.orderByDesc(TmsTaskEntity::getStartTime).orderByDesc(TmsTaskEntity::getCreatorTime);
 
        long current = query.getCurrentPage() > 0 ? query.getCurrentPage() : 1;
        long size = query.getPageSize() > 0 ? query.getPageSize() : 20;
        Page<TmsTaskEntity> page = taskMapper.selectPage(new Page<>(current, size), qw);
 
        List<TmsTaskForm> list = new ArrayList<>(page.getRecords().size());
        for (TmsTaskEntity row : page.getRecords()) {
            list.add(toForm(row, false));
        }
        query.setData(list, page.getTotal());
        return list;
    }
 
    @Override
    public TmsTaskForm getInfo(String id) {
        TmsTaskEntity entity = requireOne(id);
        TmsTaskForm form = toForm(entity, true);
        List<TmsPersonTaskEntity> persons = personTaskMapper.selectList(
                new LambdaQueryWrapper<TmsPersonTaskEntity>()
                        .eq(TmsPersonTaskEntity::getTaskId, id)
                        .orderByAsc(TmsPersonTaskEntity::getCreatorTime));
        List<TmsPersonTaskForm> personForms = new ArrayList<>(persons.size());
        for (TmsPersonTaskEntity p : persons) {
            TmsPersonTaskForm pf = new TmsPersonTaskForm();
            pf.setId(p.getId());
            pf.setUserId(p.getUserId());
            pf.setDeptId(p.getDeptId());
            pf.setBizStatus(p.getBizStatus());
            pf.setSignTime(formatDate(p.getSignTime()));
            pf.setExamScore(p.getExamScore());
            pf.setPassFlag(p.getPassFlag());
            pf.setGuestFlag(p.getGuestFlag());
            personForms.add(pf);
        }
        form.setPersonTasks(personForms);
        form.setPersonCount(personForms.size());
        form.setFiles(listTaskFiles(id));
        return form;
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public String create(TmsTaskForm form) {
        // 空白新增仅允许临时培训;年/岗计划任务应由计划侧生成并带 source_id/item_id
        boolean hasSourceLink = StringUtil.isNotEmpty(form.getSourceId())
                || StringUtil.isNotEmpty(form.getSourceItemId());
        if (!hasSourceLink) {
            form.setSourceType("temp");
            form.setCategory("temp");
        }
        validateForm(form, true);
        TmsTaskEntity entity = new TmsTaskEntity();
        entity.setId(RandomUtil.uuId());
        entity.setTaskNo(nextTaskNo(PREFIX_DRAFT));
        entity.setPublishStatus(STATUS_DRAFT);
        entity.setTaskKind(StringUtil.isNotEmpty(form.getTaskKind()) ? form.getTaskKind() : "new");
        fillEntity(entity, form, false);
        applyDefaults(entity);
        fillRefs(entity);
        taskMapper.insert(entity);
        saveTaskFiles(entity.getId(), form.getFiles());
        return entity.getId();
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(String id, TmsTaskForm form) {
        TmsTaskEntity entity = requireOne(id);
        if (!STATUS_DRAFT.equals(entity.getPublishStatus())) {
            throw new DataException("仅未发布任务可编辑");
        }
        boolean fromPlan = isPlanSourced(entity);
        if (fromPlan) {
            // 计划带出:来源链路只读,业务内容允许维护补全
            form.setCategory(entity.getCategory());
            form.setSourceType(entity.getSourceType());
            form.setSourcePlanNo(entity.getSourcePlanNo());
            form.setSourceId(entity.getSourceId());
            form.setSourceItemId(entity.getSourceItemId());
        }
        validateForm(form, false);
        fillEntity(entity, form, false);
        applyDefaults(entity);
        fillRefs(entity);
        entity.setLastModifyUserId(UserProvider.getLoginUserId());
        entity.setLastModifyTime(new Date());
        taskMapper.updateById(entity);
        if (form.getFiles() != null) {
            saveTaskFiles(entity.getId(), form.getFiles());
        }
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void delete(String id) {
        TmsTaskEntity entity = requireOne(id);
        if (!STATUS_DRAFT.equals(entity.getPublishStatus())) {
            throw new DataException("仅未发布任务可删除");
        }
        Long cnt = personTaskMapper.selectCount(
                new LambdaQueryWrapper<TmsPersonTaskEntity>().eq(TmsPersonTaskEntity::getTaskId, id));
        if (cnt != null && cnt > 0) {
            throw new DataException("已生成个人任务,不可删除");
        }
        taskMapper.deleteById(id);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void publish(String id) {
        TmsTaskEntity entity = requireOne(id);
        if (!STATUS_DRAFT.equals(entity.getPublishStatus())) {
            throw new DataException("仅未发布任务可发布");
        }
        validateForPublish(entity);
 
        String taskNo = entity.getTaskNo();
        if (StringUtil.isEmpty(taskNo) || taskNo.startsWith(PREFIX_DRAFT)) {
            taskNo = nextTaskNo(PREFIX_PUBLISH);
            entity.setTaskNo(taskNo);
        }
 
        List<String> userIds = splitTrainees(entity.getTrainees());
        if (userIds.isEmpty()) {
            throw new DataException("培训对象不能为空");
        }
 
        Date now = new Date();
        BigDecimal hours = resolveTaskHours(entity);
        for (String userId : userIds) {
            TmsPersonTaskEntity pt = new TmsPersonTaskEntity();
            pt.setId(RandomUtil.uuId());
            pt.setTaskId(entity.getId());
            pt.setTaskNo(taskNo);
            pt.setUserId(userId);
            pt.setHours(hours);
            pt.setBizStatus(PERSON_TODO);
            pt.setGuestFlag("0");
            pt.setCreatorUserId(UserProvider.getLoginUserId());
            pt.setCreatorTime(now);
            personTaskMapper.insert(pt);
        }
 
        Long recordCnt = recordMapper.selectCount(
                new LambdaQueryWrapper<TmsRecordEntity>().eq(TmsRecordEntity::getTaskId, entity.getId()));
        if (recordCnt == null || recordCnt == 0) {
            TmsRecordEntity record = new TmsRecordEntity();
            record.setId(RandomUtil.uuId());
            record.setRecordNo(taskNo);
            record.setTaskId(entity.getId());
            record.setTaskNo(taskNo);
            record.setCategory(entity.getCategory());
            record.setSubject(entity.getSubject());
            record.setTeacherId(entity.getTeacherId());
            record.setTrainType(entity.getTrainType());
            record.setTrainMode(entity.getTrainMode());
            record.setEvalMode(entity.getEvalMode());
            record.setStartTime(entity.getStartTime());
            record.setEndTime(entity.getEndTime());
            record.setCloseTime(entity.getCloseTime());
            record.setArchiveStatus("pending");
            record.setCreatorUserId(UserProvider.getLoginUserId());
            record.setCreatorTime(now);
            recordMapper.insert(record);
        }
 
        entity.setPublishStatus(STATUS_PUBLISHED);
        entity.setPublishTime(now);
        entity.setLastModifyUserId(UserProvider.getLoginUserId());
        entity.setLastModifyTime(now);
        taskMapper.updateById(entity);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void cancel(String id) {
        TmsTaskEntity entity = requireOne(id);
        if (!STATUS_PUBLISHED.equals(entity.getPublishStatus())) {
            throw new DataException("仅已发布任务可取消");
        }
        Long signed = personTaskMapper.selectCount(
                new LambdaQueryWrapper<TmsPersonTaskEntity>()
                        .eq(TmsPersonTaskEntity::getTaskId, id)
                        .and(w -> w.isNotNull(TmsPersonTaskEntity::getSignTime)
                                .or().in(TmsPersonTaskEntity::getBizStatus, PERSON_SIGNED, PERSON_DONE)));
        if (signed != null && signed > 0) {
            throw new DataException("已有人员签到,不可取消");
        }
 
        Date now = new Date();
        entity.setPublishStatus(STATUS_CANCELLED);
        entity.setLastModifyUserId(UserProvider.getLoginUserId());
        entity.setLastModifyTime(now);
        taskMapper.updateById(entity);
 
        personTaskMapper.update(null, new LambdaUpdateWrapper<TmsPersonTaskEntity>()
                .eq(TmsPersonTaskEntity::getTaskId, id)
                .set(TmsPersonTaskEntity::getBizStatus, PERSON_CANCELLED)
                .set(TmsPersonTaskEntity::getLastModifyUserId, UserProvider.getLoginUserId())
                .set(TmsPersonTaskEntity::getLastModifyTime, now));
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void cancelBatch(List<String> ids) {
        if (ids == null || ids.isEmpty()) {
            throw new DataException("请选择要取消的任务");
        }
        for (String id : ids) {
            if (StringUtil.isNotEmpty(id)) {
                cancel(id);
            }
        }
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void restore(String id) {
        TmsTaskEntity entity = requireOne(id);
        if (!STATUS_CANCELLED.equals(entity.getPublishStatus())) {
            throw new DataException("仅已取消任务可恢复");
        }
        Date now = new Date();
        String userId = UserProvider.getLoginUserId();
 
        // 逻辑删除已生成的个人任务与记录,便于再次编辑后发布
        List<TmsPersonTaskEntity> persons = personTaskMapper.selectList(
                new LambdaQueryWrapper<TmsPersonTaskEntity>().eq(TmsPersonTaskEntity::getTaskId, id));
        for (TmsPersonTaskEntity p : persons) {
            personTaskMapper.deleteById(p.getId());
        }
        List<TmsRecordEntity> records = recordMapper.selectList(
                new LambdaQueryWrapper<TmsRecordEntity>().eq(TmsRecordEntity::getTaskId, id));
        for (TmsRecordEntity r : records) {
            recordMapper.deleteById(r.getId());
        }
 
        entity.setPublishStatus(STATUS_DRAFT);
        entity.setPublishTime(null);
        entity.setLastModifyUserId(userId);
        entity.setLastModifyTime(now);
        taskMapper.updateById(entity);
        // 清空发布时间字段(updateById 可能跳过 null)
        taskMapper.update(null, new LambdaUpdateWrapper<TmsTaskEntity>()
                .eq(TmsTaskEntity::getId, id)
                .set(TmsTaskEntity::getPublishTime, null));
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public TmsFromPlanResult createFromAnnual(String planId) {
        if (StringUtil.isEmpty(planId)) {
            throw new DataException("年计划ID不能为空");
        }
        String id = planId.trim();
        TmsAnnualPlanEntity plan = annualPlanMapper.selectById(id);
        if (plan == null) {
            throw new DataException("年度培训计划不存在: " + id);
        }
        List<TmsAnnualPlanItemEntity> items = annualPlanItemMapper.selectList(
                new LambdaQueryWrapper<TmsAnnualPlanItemEntity>()
                        .eq(TmsAnnualPlanItemEntity::getForeignId, plan.getId())
                        .orderByAsc(TmsAnnualPlanItemEntity::getTrainMonth));
        if (items.isEmpty()) {
            throw new DataException("年度计划没有明细,无法生成任务");
        }
 
        TmsFromPlanResult result = new TmsFromPlanResult();
        result.setPlanId(plan.getId());
        Date now = new Date();
        String userId = UserProvider.getLoginUserId();
 
        for (TmsAnnualPlanItemEntity item : items) {
            TmsTaskEntity existed = findTaskBySourceItem(item.getId());
            if (existed != null) {
                result.setSkipped(result.getSkipped() + 1);
                if (StringUtil.isEmpty(item.getTaskId())) {
                    item.setTaskId(existed.getId());
                    item.setLineStatus("tasked");
                    annualPlanItemMapper.updateById(item);
                }
                continue;
            }
 
            Date[] window = monthWindow(parseYear(plan.getPlanYear()), item.getTrainMonth());
            TmsTaskEntity task = new TmsTaskEntity();
            task.setId(RandomUtil.uuId());
            task.setTaskNo(nextTaskNo(PREFIX_DRAFT));
            task.setPublishStatus(STATUS_DRAFT);
            task.setTaskKind("new");
            task.setCategory("annual_plan");
            task.setSourceType("annual");
            task.setSourcePlanNo(plan.getPlanNo());
            task.setSourceId(plan.getId());
            task.setSourceItemId(item.getId());
            String subject = StringUtil.isNotEmpty(item.getTrainSubject()) ? item.getTrainSubject().trim() : "年度培训";
            task.setSubject(subject);
            task.setTrainMode(item.getTrainMode());
            task.setEvalMode(item.getEvalMode());
            task.setTeacherId(resolveTeacherUserId(item.getTeacherId()));
            task.setTrainees(normalizeTrainees(item.getTrainees()));
            if (window != null) {
                task.setStartTime(window[0]);
                task.setEndTime(window[1]);
                task.setCloseTime(window[1]);
            }
            task.setRetakeLimit(1);
            task.setOverdueRemind("0");
            task.setInviteFlag("0");
            task.setCreatorUserId(userId);
            task.setCreatorTime(now);
            fillRefs(task);
            taskMapper.insert(task);
 
            item.setTaskId(task.getId());
            item.setLineStatus("tasked");
            annualPlanItemMapper.updateById(item);
 
            result.setCreated(result.getCreated() + 1);
            result.getTaskIds().add(task.getId());
        }
        return result;
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public TmsFromPlanResult createFromPost(String planId) {
        if (StringUtil.isEmpty(planId)) {
            throw new DataException("岗位培训计划ID不能为空");
        }
        String id = planId.trim();
        TmsPostPlanEntity plan = postPlanMapper.selectById(id);
        if (plan == null) {
            throw new DataException("岗位培训计划不存在: " + id);
        }
        List<TmsPostPlanItemEntity> items = postPlanItemMapper.selectList(
                new LambdaQueryWrapper<TmsPostPlanItemEntity>()
                        .eq(TmsPostPlanItemEntity::getForeignId, plan.getId())
                        .orderByAsc(TmsPostPlanItemEntity::getPlanTime));
        if (items.isEmpty()) {
            throw new DataException("岗位培训计划没有明细,无法生成任务");
        }
 
        TmsFromPlanResult result = new TmsFromPlanResult();
        result.setPlanId(plan.getId());
        Date now = new Date();
        String userId = UserProvider.getLoginUserId();
        String trainees = normalizeTrainees(plan.getTrainees());
 
        for (TmsPostPlanItemEntity item : items) {
            TmsTaskEntity existed = findTaskBySourceItem(item.getId());
            if (existed != null) {
                result.setSkipped(result.getSkipped() + 1);
                if (StringUtil.isEmpty(item.getTaskId())) {
                    item.setTaskId(existed.getId());
                    item.setLineStatus("tasked");
                    postPlanItemMapper.updateById(item);
                }
                continue;
            }
 
            Date[] window = dayWindow(item.getPlanTime() != null ? item.getPlanTime() : plan.getPlanEndTime());
            TmsTaskEntity task = new TmsTaskEntity();
            task.setId(RandomUtil.uuId());
            task.setTaskNo(nextTaskNo(PREFIX_DRAFT));
            task.setPublishStatus(STATUS_DRAFT);
            task.setTaskKind("new");
            task.setCategory("post_plan");
            task.setSourceType("post");
            task.setSourcePlanNo(plan.getPlanNo());
            task.setSourceId(plan.getId());
            task.setSourceItemId(item.getId());
            String subject = StringUtil.isNotEmpty(item.getSubject()) ? item.getSubject().trim() : null;
            if (StringUtil.isEmpty(subject)) {
                subject = StringUtil.isNotEmpty(plan.getPostName()) ? plan.getPostName() + "岗位培训" : "岗位培训";
            }
            task.setSubject(subject);
            task.setTrainMode(item.getTrainMode());
            task.setEvalMode(item.getEvalMode());
            task.setTeacherId(resolveTeacherUserId(item.getTeacherId()));
            task.setTrainees(trainees);
            task.setMaterialId(item.getMaterialId());
            if (window != null) {
                task.setStartTime(window[0]);
                task.setEndTime(window[1]);
                task.setCloseTime(window[1]);
            }
            task.setRetakeLimit(1);
            task.setOverdueRemind("0");
            task.setInviteFlag("0");
            task.setCreatorUserId(userId);
            task.setCreatorTime(now);
            fillRefs(task);
            taskMapper.insert(task);
 
            item.setTaskId(task.getId());
            item.setLineStatus("tasked");
            postPlanItemMapper.updateById(item);
 
            result.setCreated(result.getCreated() + 1);
            result.getTaskIds().add(task.getId());
        }
        return result;
    }
 
    private TmsTaskEntity findTaskBySourceItem(String itemId) {
        if (StringUtil.isEmpty(itemId)) {
            return null;
        }
        return taskMapper.selectOne(new LambdaQueryWrapper<TmsTaskEntity>()
                .eq(TmsTaskEntity::getSourceItemId, itemId)
                .last("limit 1"));
    }
 
    /**
     * 年份:2026、2026-01-01…、或 13 位毫秒时间戳。
     * 在线表单日期控件会把年份存成日期字符串。
     */
    private static Integer parseYear(String raw) {
        if (StringUtil.isEmpty(raw)) {
            return null;
        }
        String text = raw.trim();
        try {
            if (text.matches("\\d{4}")) {
                return Integer.parseInt(text);
            }
            if (text.matches("\\d{13}")) {
                return java.time.Instant.ofEpochMilli(Long.parseLong(text))
                        .atZone(ZoneId.systemDefault()).getYear();
            }
            if (text.length() >= 4 && text.substring(0, 4).matches("\\d{4}")) {
                return Integer.parseInt(text.substring(0, 4));
            }
        } catch (Exception ignored) {
            return null;
        }
        return null;
    }
 
    /** 月份占位:精确时间在任务「执行安排」再改。支持 yyyyMM、1-12、yyyy-MM-dd、13 位毫秒时间戳。 */
    private static Date[] monthWindow(Integer planYear, String trainMonth) {
        if (StringUtil.isEmpty(trainMonth)) {
            return null;
        }
        String raw = trainMonth.trim();
        int year;
        int month;
        try {
            if (raw.matches("\\d{13}")) {
                java.time.LocalDate day = java.time.Instant.ofEpochMilli(Long.parseLong(raw))
                        .atZone(ZoneId.systemDefault()).toLocalDate();
                year = day.getYear();
                month = day.getMonthValue();
            } else if (raw.matches("\\d{4}-\\d{2}-\\d{2}.*")) {
                year = Integer.parseInt(raw.substring(0, 4));
                month = Integer.parseInt(raw.substring(5, 7));
            } else if (raw.matches("\\d{6}")) {
                year = Integer.parseInt(raw.substring(0, 4));
                month = Integer.parseInt(raw.substring(4, 6));
            } else if (raw.matches("\\d{1,2}")) {
                if (planYear == null) {
                    return null;
                }
                year = planYear;
                month = Integer.parseInt(raw);
            } else {
                return null;
            }
            if (month < 1 || month > 12) {
                return null;
            }
            YearMonth ym = YearMonth.of(year, month);
            ZoneId zone = ZoneId.systemDefault();
            Date start = Date.from(ym.atDay(1).atStartOfDay(zone).toInstant());
            Date end = Date.from(ym.atEndOfMonth().atTime(23, 59, 59).atZone(zone).toInstant());
            return new Date[]{start, end};
        } catch (Exception ex) {
            return null;
        }
    }
 
    /** 岗位计划明细是具体日期;没有明细日期时用计划结束日。 */
    private static Date[] dayWindow(Date day) {
        if (day == null) {
            return null;
        }
        try {
            java.time.LocalDate date = day.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
            ZoneId zone = ZoneId.systemDefault();
            Date start = Date.from(date.atStartOfDay(zone).toInstant());
            Date end = Date.from(date.atTime(23, 59, 59).atZone(zone).toInstant());
            return new Date[]{start, end};
        } catch (Exception ex) {
            return null;
        }
    }
 
    private static String normalizeTrainees(String raw) {
        if (StringUtil.isEmpty(raw)) {
            return null;
        }
        String text = raw.trim();
        if (text.startsWith("[") && text.endsWith("]")) {
            text = text.substring(1, text.length() - 1).replace("\"", "");
        }
        List<String> ids = splitTrainees(text);
        return ids.isEmpty() ? text : joinTrainees(ids);
    }
 
    private void validateForm(TmsTaskForm form, boolean creating) {
        if (form == null) {
            throw new DataException("表单不能为空");
        }
        if (StringUtil.isEmpty(form.getSubject())) {
            throw new DataException("培训主题不能为空");
        }
        if (StringUtil.isEmpty(form.getCategory())) {
            throw new DataException("培训分类不能为空");
        }
        if (StringUtil.isEmpty(form.getTrainMode())) {
            throw new DataException("培训方式不能为空");
        }
        if (StringUtil.isEmpty(form.getSourceType())) {
            throw new DataException("来源类型不能为空");
        }
        if (StringUtil.isEmpty(form.getEvalMode())) {
            throw new DataException("考核方式不能为空");
        }
        Date start = parseDate(form.getStartTime());
        Date end = parseDate(form.getEndTime());
        Date close = parseDate(form.getCloseTime());
        if (start == null || end == null || close == null) {
            throw new DataException("开始/结束/关闭时间不能为空");
        }
        if (start.after(end)) {
            throw new DataException("开始时间不能晚于结束时间");
        }
        if (end.after(close)) {
            throw new DataException("结束时间不能晚于关闭时间");
        }
        if (creating && start.before(new Date())) {
            // 允许当天稍早几分钟;严格:开始不得早于当前日 00:00
            Calendar cal = Calendar.getInstance();
            cal.set(Calendar.HOUR_OF_DAY, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MILLISECOND, 0);
            if (start.before(cal.getTime())) {
                throw new DataException("开始时间不得早于当天");
            }
        }
 
        String mode = form.getTrainMode();
        if ("onsite".equals(mode) || "practice".equals(mode)) {
            if (!sameDay(start, end)) {
                throw new DataException("集中/操作授课的开始与结束须为同一天");
            }
            if (StringUtil.isEmpty(form.getPlaceId()) && StringUtil.isEmpty(form.getPlaceName())) {
                throw new DataException("现场类培训须填写地点");
            }
        }
        if ("online".equals(mode) && splitTrainees(form.getMaterialId()).isEmpty()) {
            throw new DataException("在线学习须选择教材");
        }
        if ("exam".equals(form.getEvalMode())) {
            if (StringUtil.isEmpty(form.getPaperId())) {
                throw new DataException("在线考试须选择试卷");
            }
            Date examStart = parseDate(form.getExamStart());
            Date examEnd = parseDate(form.getExamEnd());
            if (examStart != null && examStart.before(start)) {
                throw new DataException("考试开始不得早于培训开始");
            }
            if (examStart != null && examEnd != null && examStart.after(examEnd)) {
                throw new DataException("考试开始不能晚于考试结束");
            }
        }
 
        List<String> trainees = resolveTraineeIds(form);
        if (trainees.isEmpty()) {
            throw new DataException("培训对象不能为空");
        }
 
        Integer retake = form.getRetakeLimit();
        if (retake != null && retake < 0) {
            throw new DataException("补考次数不能为负数");
        }
    }
 
    private void validateForPublish(TmsTaskEntity entity) {
        if (StringUtil.isEmpty(entity.getSubject())
                || StringUtil.isEmpty(entity.getTrainMode())
                || StringUtil.isEmpty(entity.getEvalMode())
                || entity.getStartTime() == null
                || entity.getEndTime() == null
                || entity.getCloseTime() == null) {
            throw new DataException("任务信息不完整,请先完善后发布");
        }
        if (splitTrainees(entity.getTrainees()).isEmpty()) {
            throw new DataException("培训对象不能为空");
        }
        if ("exam".equals(entity.getEvalMode())) {
            if (StringUtil.isEmpty(entity.getPaperId())) {
                throw new DataException("在线考试须选择试卷");
            }
            TmsPaperEntity paper = paperMapper.selectById(entity.getPaperId());
            if (paper == null) {
                throw new DataException("所选试卷不存在");
            }
            if ("invalid".equals(paper.getBizStatus())) {
                throw new DataException("失效试卷不可用于发布");
            }
        }
    }
 
    private void fillEntity(TmsTaskEntity entity, TmsTaskForm form, boolean keepPlanContent) {
        if (!keepPlanContent) {
            entity.setCategory(form.getCategory());
            entity.setTrainType(form.getTrainType());
            entity.setSourceType(form.getSourceType());
            entity.setSourcePlanNo(form.getSourcePlanNo());
            entity.setSourceId(form.getSourceId());
            entity.setSourceItemId(form.getSourceItemId());
            entity.setSubject(form.getSubject() == null ? null : form.getSubject().trim());
            entity.setKeyPoints(form.getKeyPoints());
            entity.setMaterialId(firstId(form.getMaterialId()));
            entity.setMaterialNo(firstId(form.getMaterialNo()));
            entity.setTeacherId(form.getTeacherId());
            entity.setTrainMode(form.getTrainMode());
            entity.setEvalMode(form.getEvalMode());
            entity.setTrainees(joinTrainees(resolveTraineeIds(form)));
            if (StringUtil.isNotEmpty(form.getTaskKind())) {
                entity.setTaskKind(form.getTaskKind());
            }
            entity.setPrevTaskNo(form.getPrevTaskNo());
        }
        // 执行信息:计划/临时均可维护
        entity.setPlaceId(form.getPlaceId());
        entity.setPlaceNo(form.getPlaceNo());
        entity.setPlaceName(form.getPlaceName());
        entity.setStartTime(parseDate(form.getStartTime()));
        entity.setEndTime(parseDate(form.getEndTime()));
        entity.setCloseTime(parseDate(form.getCloseTime()));
        entity.setPaperId(form.getPaperId());
        entity.setPaperName(form.getPaperName());
        entity.setExamStart(parseDate(form.getExamStart()));
        entity.setExamEnd(parseDate(form.getExamEnd()));
        entity.setRetakeLimit(form.getRetakeLimit() == null ? 1 : form.getRetakeLimit());
        entity.setPassScore(form.getPassScore());
        entity.setQuizRatio(form.getQuizRatio());
        entity.setOverdueRemind(StringUtil.isEmpty(form.getOverdueRemind()) ? "0" : form.getOverdueRemind());
        entity.setInviteFlag(StringUtil.isEmpty(form.getInviteFlag()) ? "0" : form.getInviteFlag());
        entity.setRemark(form.getRemark());
    }
 
    private static boolean isPlanSourced(TmsTaskEntity entity) {
        if (StringUtil.isNotEmpty(entity.getSourceId())
                || StringUtil.isNotEmpty(entity.getSourceItemId())
                || StringUtil.isNotEmpty(entity.getSourcePlanNo())) {
            return true;
        }
        String st = entity.getSourceType();
        return StringUtil.isNotEmpty(st) && !"temp".equals(st);
    }
 
    private void applyDefaults(TmsTaskEntity entity) {
        if (entity.getRetakeLimit() == null) {
            entity.setRetakeLimit(1);
        }
        if (StringUtil.isEmpty(entity.getOverdueRemind())) {
            entity.setOverdueRemind("0");
        }
        if (StringUtil.isEmpty(entity.getInviteFlag())) {
            entity.setInviteFlag("0");
        }
        if (StringUtil.isEmpty(entity.getTaskKind())) {
            entity.setTaskKind("new");
        }
    }
 
    private void fillRefs(TmsTaskEntity entity) {
        if (StringUtil.isNotEmpty(entity.getPaperId())) {
            TmsPaperEntity paper = paperMapper.selectById(entity.getPaperId());
            if (paper != null) {
                entity.setPaperName(paper.getPaperName());
                if (entity.getPassScore() == null) {
                    entity.setPassScore(paper.getPassScore());
                }
            }
        } else {
            entity.setPaperName(null);
        }
        if (StringUtil.isNotEmpty(entity.getMaterialId())) {
            TmsMaterialEntity material = materialMapper.selectById(entity.getMaterialId());
            if (material != null && StringUtil.isNotEmpty(material.getMaterialNo())) {
                entity.setMaterialNo(material.getMaterialNo());
            }
        } else {
            entity.setMaterialNo(null);
        }
        if (StringUtil.isNotEmpty(entity.getPlaceId())) {
            TmsPlaceEntity place = placeMapper.selectById(entity.getPlaceId());
            if (place != null) {
                entity.setPlaceNo(place.getPlaceNo());
                entity.setPlaceName(place.getPlaceName());
            }
        }
    }
 
    private void saveTaskFiles(String taskId, List<TmsTaskFileForm> files) {
        taskFileMapper.delete(new LambdaQueryWrapper<TmsTaskFileEntity>()
                .eq(TmsTaskFileEntity::getForeignId, taskId));
        if (files == null || files.isEmpty()) {
            return;
        }
        Date now = new Date();
        String userId = UserProvider.getLoginUserId();
        for (TmsTaskFileForm row : files) {
            if (row == null || StringUtil.isEmpty(row.getFileName())) {
                continue;
            }
            TmsTaskFileEntity entity = new TmsTaskFileEntity();
            entity.setId(RandomUtil.uuId());
            entity.setForeignId(taskId);
            entity.setFileNo(row.getFileNo());
            entity.setFileName(row.getFileName().trim());
            entity.setMaterialId(row.getMaterialId());
            entity.setFileJson(row.getFileJson());
            entity.setCanDownload(StringUtil.isEmpty(row.getCanDownload()) ? "0" : row.getCanDownload());
            entity.setCreatorUserId(userId);
            entity.setCreatorTime(now);
            taskFileMapper.insert(entity);
        }
    }
 
    private List<TmsTaskFileForm> listTaskFiles(String taskId) {
        List<TmsTaskFileEntity> rows = taskFileMapper.selectList(
                new LambdaQueryWrapper<TmsTaskFileEntity>()
                        .eq(TmsTaskFileEntity::getForeignId, taskId)
                        .orderByAsc(TmsTaskFileEntity::getCreatorTime));
        List<TmsTaskFileForm> list = new ArrayList<>(rows.size());
        for (TmsTaskFileEntity row : rows) {
            TmsTaskFileForm form = new TmsTaskFileForm();
            form.setId(row.getId());
            form.setFileNo(row.getFileNo());
            form.setFileName(row.getFileName());
            form.setMaterialId(row.getMaterialId());
            form.setFileJson(row.getFileJson());
            form.setCanDownload(row.getCanDownload());
            list.add(form);
        }
        return list;
    }
 
    private static String firstId(String raw) {
        List<String> ids = splitTrainees(raw);
        return ids.isEmpty() ? null : ids.get(0);
    }
 
    private synchronized String nextTaskNo(String typePrefix) {
        String ym = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMM"));
        String prefix = typePrefix + ym;
        String max = taskMapper.selectMaxTaskNo(prefix);
        int seq = 1;
        if (StringUtil.isNotEmpty(max) && max.length() == 12) {
            try {
                seq = Integer.parseInt(max.substring(8)) + 1;
            } catch (NumberFormatException ignored) {
                seq = 1;
            }
        }
        if (seq > 9999) {
            throw new DataException("当月任务编号已用尽");
        }
        return prefix + String.format("%04d", seq);
    }
 
    /**
     * 年计划子表 teacher_id 多为培训师档案 f_id;任务表单用 UserSelect,需落到系统用户。
     */
    private String resolveTeacherUserId(String teacherRef) {
        if (StringUtil.isEmpty(teacherRef)) {
            return null;
        }
        String raw = teacherRef.trim();
        TmsTrainerEntity trainer = trainerMapper.selectById(raw);
        if (trainer != null && StringUtil.isNotEmpty(trainer.getUserId())) {
            return trainer.getUserId();
        }
        // 已是系统用户,或档案尚未关联用户
        return raw;
    }
 
    private TmsTaskEntity requireOne(String id) {
        if (StringUtil.isEmpty(id)) {
            throw new DataException("任务ID不能为空");
        }
        TmsTaskEntity entity = taskMapper.selectById(id);
        if (entity == null) {
            throw new DataException("培训任务不存在");
        }
        return entity;
    }
 
    private TmsTaskForm toForm(TmsTaskEntity entity, boolean detail) {
        TmsTaskForm form = new TmsTaskForm();
        form.setId(entity.getId());
        form.setTaskNo(entity.getTaskNo());
        form.setCategory(entity.getCategory());
        form.setTrainType(entity.getTrainType());
        form.setSourceType(entity.getSourceType());
        form.setSourcePlanNo(entity.getSourcePlanNo());
        form.setSourceId(entity.getSourceId());
        form.setSourceItemId(entity.getSourceItemId());
        form.setSubject(entity.getSubject());
        form.setKeyPoints(entity.getKeyPoints());
        form.setMaterialId(entity.getMaterialId());
        form.setMaterialNo(entity.getMaterialNo());
        form.setPlaceId(entity.getPlaceId());
        form.setPlaceNo(entity.getPlaceNo());
        form.setPlaceName(entity.getPlaceName());
        form.setStartTime(formatDate(entity.getStartTime()));
        form.setEndTime(formatDate(entity.getEndTime()));
        form.setCloseTime(formatDate(entity.getCloseTime()));
        form.setPaperId(entity.getPaperId());
        form.setPaperName(entity.getPaperName());
        form.setExamStart(formatDate(entity.getExamStart()));
        form.setExamEnd(formatDate(entity.getExamEnd()));
        form.setTeacherId(resolveTeacherUserId(entity.getTeacherId()));
        form.setTrainMode(entity.getTrainMode());
        form.setEvalMode(entity.getEvalMode());
        form.setTrainees(entity.getTrainees());
        form.setTraineeIds(splitTrainees(entity.getTrainees()));
        form.setTaskKind(entity.getTaskKind());
        form.setPrevTaskNo(entity.getPrevTaskNo());
        form.setPublishStatus(entity.getPublishStatus());
        form.setPublishTime(formatDate(entity.getPublishTime()));
        form.setRetakeLimit(entity.getRetakeLimit());
        form.setPassScore(entity.getPassScore());
        form.setQuizRatio(entity.getQuizRatio());
        form.setOverdueRemind(entity.getOverdueRemind());
        form.setInviteFlag(entity.getInviteFlag());
        form.setRemark(entity.getRemark());
        form.setCreatorTime(formatDate(entity.getCreatorTime()));
        form.setCreatorUserId(entity.getCreatorUserId());
        if (detail) {
            // person tasks filled by caller
        }
        return form;
    }
 
    private static List<String> resolveTraineeIds(TmsTaskForm form) {
        Set<String> set = new LinkedHashSet<>();
        if (form.getTraineeIds() != null) {
            for (String id : form.getTraineeIds()) {
                if (StringUtil.isNotEmpty(id)) {
                    set.add(id.trim());
                }
            }
        }
        if (set.isEmpty() && StringUtil.isNotEmpty(form.getTrainees())) {
            set.addAll(splitTrainees(form.getTrainees()));
        }
        return new ArrayList<>(set);
    }
 
    private static List<String> splitTrainees(String raw) {
        if (StringUtil.isEmpty(raw)) {
            return new ArrayList<>();
        }
        return Arrays.stream(raw.split("[,;,;\\s]+"))
                .map(String::trim)
                .filter(s -> !s.isEmpty())
                .distinct()
                .collect(Collectors.toList());
    }
 
    private static String joinTrainees(List<String> ids) {
        if (ids == null || ids.isEmpty()) {
            return null;
        }
        return ids.stream().filter(Objects::nonNull).map(String::trim).filter(s -> !s.isEmpty())
                .distinct().collect(Collectors.joining(","));
    }
 
    private static boolean sameDay(Date a, Date b) {
        LocalDate da = a.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
        LocalDate db = b.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
        return da.equals(db);
    }
 
    private static Date parseDate(String text) {
        if (StringUtil.isEmpty(text)) {
            return null;
        }
        String raw = text.trim();
        try {
            if (raw.matches("^\\d{10,13}$")) {
                long ts = Long.parseLong(raw);
                if (raw.length() == 10) {
                    ts = ts * 1000L;
                }
                return new Date(ts);
            }
            return DateUtil.stringToDate(raw);
        } catch (Exception ex) {
            throw new DataException("时间格式无效:" + text);
        }
    }
 
    private static Date parseDayStart(String day) {
        if (StringUtil.isEmpty(day) || "null".equalsIgnoreCase(day)) {
            return null;
        }
        String raw = day.trim();
        if (raw.length() == 10) {
            raw = raw + " 00:00:00";
        }
        return parseDate(raw);
    }
 
    private static Date parseDayEnd(String day) {
        if (StringUtil.isEmpty(day) || "null".equalsIgnoreCase(day)) {
            return null;
        }
        String raw = day.trim();
        if (raw.length() == 10) {
            raw = raw + " 23:59:59";
        }
        return parseDate(raw);
    }
 
    private BigDecimal resolveTaskHours(TmsTaskEntity task) {
        if (task == null || StringUtil.isEmpty(task.getSourceItemId())) {
            return null;
        }
        if ("annual".equals(task.getSourceType())) {
            TmsAnnualPlanItemEntity item = annualPlanItemMapper.selectById(task.getSourceItemId());
            return item == null ? null : item.getHours();
        }
        if ("post".equals(task.getSourceType())) {
            TmsPostPlanItemEntity item = postPlanItemMapper.selectById(task.getSourceItemId());
            return item == null ? null : item.getHours();
        }
        return null;
    }
 
    private static String formatDate(Date date) {
        if (date == null) {
            return null;
        }
        return DateUtil.dateToString(date, FMT);
    }
}