longz
2026-08-11 2a3c3cdbf2398695d61633e072f98ee2757e9e27
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package com.sinata.appointment.service;
 
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.sinata.appointment.constants.ApprovalInstanceStatus;
import com.sinata.appointment.constants.ApprovalNodeCode;
import com.sinata.appointment.constants.ApprovalTaskStatus;
import com.sinata.appointment.constants.LocalUnitApproverType;
import com.sinata.appointment.constants.MiniUserType;
import com.sinata.appointment.constants.SystemSettingKeys;
import com.sinata.appointment.entity.AppointmentOrder;
import com.sinata.appointment.entity.ApprovalInstance;
import com.sinata.appointment.entity.ApprovalTask;
import com.sinata.appointment.entity.BizApprovalNodeConfig;
import com.sinata.appointment.entity.MpPassLocalUnit;
import com.sinata.appointment.entity.MpPassLocalUnitMember;
import com.sinata.appointment.entity.MpStaffGroupMember;
import com.sinata.appointment.entity.MpUser;
import com.sinata.appointment.entity.SysDept;
import com.sinata.appointment.exception.BizException;
import com.sinata.appointment.mapper.ApprovalInstanceMapper;
import com.sinata.appointment.mapper.ApprovalTaskMapper;
import com.sinata.appointment.mapper.BizApprovalNodeConfigMapper;
import com.sinata.appointment.mapper.MpPassLocalUnitMapper;
import com.sinata.appointment.mapper.MpPassLocalUnitMemberMapper;
import com.sinata.appointment.mapper.MpStaffGroupMemberMapper;
import com.sinata.appointment.mapper.MpUserMapper;
import com.sinata.appointment.mapper.SysDeptMapper;
import com.sinata.appointment.constants.BizErrorCode;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
 
/**
 * 审批引擎:节点链解析、任务创建、组内任一通过、拒绝终止。
 */
@Service
@RequiredArgsConstructor
public class ApprovalEngineService {
 
    private static final TypeReference<List<Long>> LONG_LIST_TYPE = new TypeReference<>() {};
    private static final String AUTO_APPROVE_COMMENT = "前序节点已审批,系统自动同意";
    private static final String LOCAL_UNIT_GROUP_TOKEN = ":UNIT:";
 
    private final BizApprovalNodeConfigMapper bizApprovalNodeConfigMapper;
    private final ApprovalInstanceMapper approvalInstanceMapper;
    private final ApprovalTaskMapper approvalTaskMapper;
    private final MpUserMapper mpUserMapper;
    private final SysDeptMapper sysDeptMapper;
    private final MpPassLocalUnitMapper mpPassLocalUnitMapper;
    private final MpPassLocalUnitMemberMapper mpPassLocalUnitMemberMapper;
    private final MpStaffGroupMemberMapper mpStaffGroupMemberMapper;
    private final SysBizSettingCacheService sysBizSettingCacheService;
    private final ObjectMapper objectMapper;
 
    public List<String> resolveEnabledNodeChain(AppointmentOrder order) {
        List<BizApprovalNodeConfig> configs =
                bizApprovalNodeConfigMapper.selectList(
                        new LambdaQueryWrapper<BizApprovalNodeConfig>()
                                .eq(BizApprovalNodeConfig::getEnabled, 1)
                                .orderByAsc(BizApprovalNodeConfig::getSortOrder));
        List<String> chain = new ArrayList<>();
        for (BizApprovalNodeConfig c : configs) {
            String nc = c.getNodeCode();
            if (ApprovalNodeCode.LEVEL5_VISIT_DEPT_LEADER.equals(nc)
                    && !Boolean.TRUE.equals(order.getHolidayFlag())) {
                continue;
            }
            // 预约流程已不使用“是否涉及其他属地单位(key_area_flag)”字段,三级节点在预约阶段固定跳过。
            if (ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER.equals(nc)) {
                continue;
            }
            chain.add(nc);
        }
        return chain;
    }
 
    @Transactional(rollbackFor = Exception.class)
    public ApprovalInstance startFlow(AppointmentOrder order) {
        List<String> chain = resolveEnabledNodeChain(order);
        if (chain.isEmpty()) {
            return null;
        }
        String firstNode = resolveFirstNodeWithAssignees(chain, order);
        if (firstNode == null) {
            return null;
        }
        ApprovalInstance inst = new ApprovalInstance();
        inst.setOrderId(order.getId());
        inst.setCurrentNodeCode(firstNode);
        inst.setStatus(ApprovalInstanceStatus.IN_PROGRESS);
        approvalInstanceMapper.insert(inst);
        for (String nodeCode : chain) {
            String status =
                    Objects.equals(nodeCode, firstNode)
                            ? ApprovalTaskStatus.PENDING
                            : ApprovalTaskStatus.WAITING;
            createTasksForNode(inst, order, nodeCode, status);
        }
        return inst;
    }
 
    public int createTasksForNode(
            ApprovalInstance inst, AppointmentOrder order, String nodeCode, String initialStatus) {
        List<Long> assignees = resolveAssignees(nodeCode, order);
        return createTasksWithGroupKey(inst.getId(), nodeCode, nodeCode, assignees, initialStatus);
    }
 
    public List<Long> resolveAssignees(String nodeCode, AppointmentOrder order) {
        if (ApprovalNodeCode.LEVEL1_HANDLER.equals(nodeCode)) {
            return order.getVisitedUserId() == null ? List.of() : List.of(order.getVisitedUserId());
        }
        if (ApprovalNodeCode.LEVEL2_DEPT_LEADER.equals(nodeCode)) {
            Long deptId = resolveVisitedDeptId(order);
            return getDeptLeaderIds(deptId);
        }
        if (ApprovalNodeCode.LEVEL4_VISIT_DEPT.equals(nodeCode)) {
            Long competentDeptId = getVisitCompetentDeptId();
            return listEmployeeIdsByDeptWithLeaderFallback(competentDeptId);
        }
        if (ApprovalNodeCode.LEVEL5_VISIT_DEPT_LEADER.equals(nodeCode)) {
            Long competentDeptId = getVisitCompetentDeptId();
            return getDeptLeaderIds(competentDeptId);
        }
        if (ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER.equals(nodeCode)) {
            return List.of();
        }
        return List.of();
    }
 
    private Long resolveVisitedDeptId(AppointmentOrder order) {
        if (order.getVisitedUserId() != null) {
            MpUser visited = mpUserMapper.selectById(order.getVisitedUserId());
            if (visited != null
                    && (visited.getDelFlag() == null || visited.getDelFlag() == 0)
                    && MiniUserType.EMPLOYEE.equals(visited.getUserType())
                    && visited.getDeptId() != null
                    && visited.getDeptId() > 0) {
                return visited.getDeptId();
            }
        }
        return order.getVisitedDeptId();
    }
 
    private Long getVisitCompetentDeptId() {
        String raw = sysBizSettingCacheService.getValue(SystemSettingKeys.VISIT_COMPETENT_DEPT_ID);
        if (raw == null || raw.trim().isEmpty()) {
            return null;
        }
        try {
            long id = Long.parseLong(raw.trim());
            return id > 0 ? id : null;
        } catch (NumberFormatException ex) {
            return null;
        }
    }
 
    private List<Long> getDeptLeaderIds(Long deptId) {
        if (deptId == null || deptId <= 0) {
            return List.of();
        }
        SysDept dept = sysDeptMapper.selectById(deptId);
        if (dept == null || dept.getDelFlag() != null && dept.getDelFlag() == 1) {
            return List.of();
        }
        List<Long> leaderIds = parseDeptLeaderIds(dept);
        if (leaderIds.isEmpty()) {
            return List.of();
        }
        List<MpUser> leaders =
                mpUserMapper.selectList(
                        new LambdaQueryWrapper<MpUser>()
                                .eq(MpUser::getDelFlag, 0)
                                .eq(MpUser::getStatus, 1)
                                .eq(MpUser::getUserType, MiniUserType.EMPLOYEE)
                                .in(MpUser::getId, leaderIds));
        Map<Long, MpUser> leaderMap = new LinkedHashMap<>();
        for (MpUser leader : leaders) {
            leaderMap.put(leader.getId(), leader);
        }
        List<Long> result = new ArrayList<>();
        for (Long id : leaderIds) {
            if (leaderMap.containsKey(id)) {
                result.add(id);
            }
        }
        return result;
    }
 
    private List<Long> parseDeptLeaderIds(SysDept dept) {
        List<Long> ids = new ArrayList<>();
        Set<Long> seen = new LinkedHashSet<>();
        if (StringUtils.hasText(dept.getLeaderIds())) {
            for (String part : dept.getLeaderIds().split(",")) {
                if (!StringUtils.hasText(part)) {
                    continue;
                }
                try {
                    Long id = Long.parseLong(part.trim());
                    if (id > 0 && seen.add(id)) {
                        ids.add(id);
                    }
                } catch (NumberFormatException ignored) {
                }
            }
        }
        return ids;
    }
 
    private List<Long> listAllActiveEmployeeIdsByDept(Long deptId) {
        if (deptId == null || deptId <= 0) {
            return List.of();
        }
        List<MpUser> users =
                mpUserMapper.selectList(
                        new LambdaQueryWrapper<MpUser>()
                                .eq(MpUser::getDelFlag, 0)
                                .eq(MpUser::getStatus, 1)
                                .eq(MpUser::getUserType, MiniUserType.EMPLOYEE)
                                .eq(MpUser::getDeptId, deptId));
        return users.stream().map(MpUser::getId).filter(Objects::nonNull).distinct().toList();
    }
 
    private List<Long> listEmployeeIdsByDeptWithLeaderFallback(Long deptId) {
        return listAllActiveEmployeeIdsByDept(deptId);
    }
 
    @Transactional(rollbackFor = Exception.class)
    public void markGroupSkippedExcept(ApprovalTask approvedTask) {
        List<ApprovalTask> siblings =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, approvedTask.getInstanceId())
                                .eq(ApprovalTask::getNodeCode, approvedTask.getNodeCode())
                                .eq(ApprovalTask::getGroupKey, approvedTask.getGroupKey())
                                .eq(ApprovalTask::getTaskStatus, ApprovalTaskStatus.PENDING));
        for (ApprovalTask s : siblings) {
            if (!Objects.equals(s.getId(), approvedTask.getId())) {
                s.setTaskStatus(ApprovalTaskStatus.SKIPPED);
                approvalTaskMapper.updateById(s);
            }
        }
    }
 
    public boolean isCurrentNodeComplete(ApprovalInstance inst) {
        long pending =
                approvalTaskMapper.selectCount(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, inst.getId())
                                .eq(ApprovalTask::getNodeCode, inst.getCurrentNodeCode())
                                .eq(ApprovalTask::getTaskStatus, ApprovalTaskStatus.PENDING));
        return pending == 0;
    }
 
    @Transactional(rollbackFor = Exception.class)
    public void advanceOrComplete(ApprovalInstance inst, AppointmentOrder order) {
        List<String> chain = resolveAdvanceChain(inst, order);
        int idx = chain.indexOf(inst.getCurrentNodeCode());
        if (idx < 0) {
            inst.setStatus(ApprovalInstanceStatus.APPROVED);
            inst.setFinishedAt(LocalDateTime.now());
            inst.setCurrentNodeCode(null);
            approvalInstanceMapper.updateById(inst);
            return;
        }
        for (int i = idx + 1; i < chain.size(); i++) {
            String next = chain.get(i);
            if (activateWaitingTasks(inst.getId(), next) > 0) {
                inst.setCurrentNodeCode(next);
                approvalInstanceMapper.updateById(inst);
                autoApproveCurrentNodeByHistory(inst.getId(), next);
                if (!isCurrentNodeComplete(inst)) {
                    return;
                }
            }
        }
        inst.setStatus(ApprovalInstanceStatus.APPROVED);
        inst.setFinishedAt(LocalDateTime.now());
        inst.setCurrentNodeCode(null);
        approvalInstanceMapper.updateById(inst);
    }
 
    private List<String> resolveAdvanceChain(ApprovalInstance inst, AppointmentOrder order) {
        List<ApprovalTask> instanceTasks =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getDelFlag, 0)
                                .eq(ApprovalTask::getInstanceId, inst.getId())
                                .select(ApprovalTask::getNodeCode));
        boolean containsLocalUnitNode =
                instanceTasks.stream()
                        .map(ApprovalTask::getNodeCode)
                        .anyMatch(ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER::equals);
        return containsLocalUnitNode
                ? resolveEnabledNodeChainForPostHandler(order)
                : resolveEnabledNodeChain(order);
    }
 
    @Transactional(rollbackFor = Exception.class)
    public void rejectInstance(ApprovalInstance inst, String reason) {
        inst.setStatus(ApprovalInstanceStatus.REJECTED);
        inst.setFinishedAt(LocalDateTime.now());
        approvalInstanceMapper.updateById(inst);
        List<ApprovalTask> remainingTasks =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, inst.getId())
                                .in(
                                        ApprovalTask::getTaskStatus,
                                        ApprovalTaskStatus.PENDING,
                                        ApprovalTaskStatus.WAITING));
        for (ApprovalTask t : remainingTasks) {
            t.setTaskStatus(ApprovalTaskStatus.REJECTED);
            t.setComment(null);
            approvalTaskMapper.updateById(t);
        }
    }
 
    @Transactional(rollbackFor = Exception.class)
    public void cancelInstance(ApprovalInstance inst, String reason) {
        inst.setStatus(ApprovalInstanceStatus.CANCELLED);
        inst.setFinishedAt(LocalDateTime.now());
        approvalInstanceMapper.updateById(inst);
        List<ApprovalTask> pending =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, inst.getId())
                                .in(
                                        ApprovalTask::getTaskStatus,
                                        ApprovalTaskStatus.PENDING,
                                        ApprovalTaskStatus.WAITING));
        for (ApprovalTask t : pending) {
            t.setTaskStatus(ApprovalTaskStatus.CANCELLED);
            t.setComment(reason);
            approvalTaskMapper.updateById(t);
        }
    }
 
    private String resolveFirstNodeWithAssignees(List<String> chain, AppointmentOrder order) {
        for (String nodeCode : chain) {
            List<Long> assignees = resolveAssignees(nodeCode, order);
            if (assignees != null && !assignees.isEmpty()) {
                return nodeCode;
            }
        }
        return null;
    }
 
    private int activateWaitingTasks(Long instanceId, String nodeCode) {
        List<ApprovalTask> waiting =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, instanceId)
                                .eq(ApprovalTask::getNodeCode, nodeCode)
                                .eq(ApprovalTask::getTaskStatus, ApprovalTaskStatus.WAITING));
        for (ApprovalTask t : waiting) {
            t.setTaskStatus(ApprovalTaskStatus.PENDING);
            approvalTaskMapper.updateById(t);
        }
        return waiting.size();
    }
 
    @Transactional(rollbackFor = Exception.class)
    public void rebuildAfterHandlerApproved(
            ApprovalTask approvedTask, ApprovalInstance inst, AppointmentOrder order) {
        approvalTaskMapper.delete(
                new LambdaQueryWrapper<ApprovalTask>()
                        .eq(ApprovalTask::getInstanceId, inst.getId())
                        .ne(ApprovalTask::getId, approvedTask.getId()));
 
        List<String> chain = resolveEnabledNodeChainForPostHandler(order);
        int idx = chain.indexOf(ApprovalNodeCode.LEVEL1_HANDLER);
        int start = idx >= 0 ? idx + 1 : 0;
 
        String firstNode = null;
        for (int i = start; i < chain.size(); i++) {
            String nodeCode = chain.get(i);
            String status = firstNode == null ? ApprovalTaskStatus.PENDING : ApprovalTaskStatus.WAITING;
            int created;
            if (ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER.equals(nodeCode)) {
                created = createTasksForLocalUnitNodeStrict(inst.getId(), order, status);
            } else {
                created = createTasksForNodeStrict(inst, order, nodeCode, status);
            }
            if (created > 0 && firstNode == null) {
                firstNode = nodeCode;
            }
        }
 
        if (firstNode == null) {
            inst.setStatus(ApprovalInstanceStatus.APPROVED);
            inst.setFinishedAt(LocalDateTime.now());
            inst.setCurrentNodeCode(null);
            approvalInstanceMapper.updateById(inst);
            return;
        }
        inst.setCurrentNodeCode(firstNode);
        inst.setStatus(ApprovalInstanceStatus.IN_PROGRESS);
        inst.setFinishedAt(null);
        approvalInstanceMapper.updateById(inst);
        autoApproveCurrentNodeByHistory(inst.getId(), firstNode);
        if (isCurrentNodeComplete(inst)) {
            advanceOrComplete(inst, order);
        }
    }
 
    private List<String> resolveEnabledNodeChainForPostHandler(AppointmentOrder order) {
        List<BizApprovalNodeConfig> configs =
                bizApprovalNodeConfigMapper.selectList(
                        new LambdaQueryWrapper<BizApprovalNodeConfig>()
                                .eq(BizApprovalNodeConfig::getEnabled, 1)
                                .orderByAsc(BizApprovalNodeConfig::getSortOrder));
        List<String> chain = new ArrayList<>();
        List<Long> localUnitIds = parseLongJsonArray(order.getPassLocalUnitIds());
        for (BizApprovalNodeConfig c : configs) {
            String nc = c.getNodeCode();
            if (ApprovalNodeCode.LEVEL5_VISIT_DEPT_LEADER.equals(nc)
                    && !Boolean.TRUE.equals(order.getHolidayFlag())) {
                continue;
            }
            if (ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER.equals(nc)) {
                if (!Boolean.TRUE.equals(order.getInvolveOtherLocalUnit()) || localUnitIds.isEmpty()) {
                    continue;
                }
            }
            chain.add(nc);
        }
        return chain;
    }
 
    private int createTasksForLocalUnitNode(Long instanceId, AppointmentOrder order, String initialStatus) {
        List<LocalUnitApprovalGroup> groups = resolveLocalUnitApprovalGroups(order, false);
        int total = 0;
        for (LocalUnitApprovalGroup group : groups) {
            total +=
                    createTasksWithGroupKey(
                            instanceId,
                            ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER,
                            buildLocalUnitGroupKey(group.unitId()),
                            group.assigneeIds(),
                            initialStatus);
        }
        return total;
    }
 
    private int createTasksForNodeStrict(
            ApprovalInstance inst, AppointmentOrder order, String nodeCode, String initialStatus) {
        List<Long> assignees = resolveAssignees(nodeCode, order);
        int created = createTasksWithGroupKey(inst.getId(), nodeCode, nodeCode, assignees, initialStatus);
        if (created <= 0) {
            throw new BizException(
                    BizErrorCode.CONFIG_NOT_FOUND,
                    "节点无审批人: " + resolveNodeName(nodeCode));
        }
        return created;
    }
 
    private int createTasksForLocalUnitNodeStrict(
            Long instanceId, AppointmentOrder order, String initialStatus) {
        List<Long> localUnitIds = parseLongJsonArray(order.getPassLocalUnitIds());
        if (!Boolean.TRUE.equals(order.getInvolveOtherLocalUnit()) || localUnitIds.isEmpty()) {
            throw new BizException(
                    BizErrorCode.CONFIG_NOT_FOUND,
                    "节点无审批人: " + resolveNodeName(ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER));
        }
 
        List<LocalUnitApprovalGroup> groups = resolveLocalUnitApprovalGroups(order, true);
        int total = 0;
        for (LocalUnitApprovalGroup group : groups) {
            total +=
                    createTasksWithGroupKey(
                            instanceId,
                            ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER,
                            buildLocalUnitGroupKey(group.unitId()),
                            group.assigneeIds(),
                            initialStatus);
        }
        if (total <= 0) {
            throw new BizException(
                    BizErrorCode.CONFIG_NOT_FOUND,
                    "节点无审批人: " + resolveNodeName(ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER));
        }
        return total;
    }
 
    private List<LocalUnitApprovalGroup> resolveLocalUnitApprovalGroups(
            AppointmentOrder order, boolean strict) {
        List<Long> localUnitIds = parseLongJsonArray(order.getPassLocalUnitIds());
        if (localUnitIds.isEmpty()) {
            return List.of();
        }
        List<MpPassLocalUnit> units =
                mpPassLocalUnitMapper.selectList(
                        new LambdaQueryWrapper<MpPassLocalUnit>()
                                .eq(MpPassLocalUnit::getDelFlag, 0)
                                .in(MpPassLocalUnit::getId, localUnitIds));
        Map<Long, MpPassLocalUnit> unitMap =
                units.stream()
                        .collect(
                                java.util.stream.Collectors.toMap(
                                        MpPassLocalUnit::getId, x -> x, (a, b) -> a));
        if (strict && unitMap.size() != localUnitIds.size()) {
            throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位配置缺失,无法生成审批人");
        }
 
        List<LocalUnitApprovalGroup> groups = new ArrayList<>();
        for (Long unitId : localUnitIds) {
            MpPassLocalUnit unit = unitMap.get(unitId);
            if (unit == null) {
                if (strict) {
                    throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位配置缺失,无法生成审批人");
                }
                continue;
            }
            List<Long> assignees = resolveLocalUnitAssignees(unitId, unit, strict);
            if (assignees.isEmpty()) {
                continue;
            }
            groups.add(new LocalUnitApprovalGroup(unitId, assignees));
        }
        return groups;
    }
 
    private List<Long> resolveLocalUnitAssignees(Long unitId, MpPassLocalUnit unit, boolean strict) {
        Integer approverType = unit.getApproverType();
        if (approverType == null) {
            if (strict) {
                throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位审批类型缺失: " + unitId);
            }
            return List.of();
        }
        if (approverType == LocalUnitApproverType.DEPT) {
            List<Long> deptIds = parseLongJsonArray(unit.getApproverDeptIds());
            if (deptIds.isEmpty()) {
                if (strict) {
                    throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位审批部门未配置: " + unitId);
                }
                return List.of();
            }
            LinkedHashSet<Long> assignees = new LinkedHashSet<>();
            for (Long deptId : deptIds) {
                List<Long> deptApprovers = listAllActiveEmployeeIdsByDept(deptId);
                if (strict && deptApprovers.isEmpty()) {
                    throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "审批部门无可用审批人: " + deptId);
                }
                assignees.addAll(deptApprovers);
            }
            return assignees.stream().toList();
        }
        if (approverType == LocalUnitApproverType.STAFF_GROUP) {
            Long groupId = unit.getApproverGroupId();
            if (groupId == null || groupId <= 0) {
                if (strict) {
                    throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位审批分组未配置: " + unitId);
                }
                return List.of();
            }
            List<MpStaffGroupMember> members =
                    mpStaffGroupMemberMapper.selectList(
                            new LambdaQueryWrapper<MpStaffGroupMember>()
                                    .eq(MpStaffGroupMember::getDelFlag, 0)
                                    .eq(MpStaffGroupMember::getGroupId, groupId)
                                    .orderByAsc(MpStaffGroupMember::getId));
            LinkedHashSet<Long> mids = new LinkedHashSet<>();
            for (MpStaffGroupMember member : members) {
                if (member.getMpUserId() != null && member.getMpUserId() > 0) {
                    mids.add(member.getMpUserId());
                }
            }
            List<Long> assignees = filterActiveEmployeeIds(mids.stream().toList());
            if (strict && assignees.isEmpty()) {
                throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "审批分组无有效成员: " + groupId);
            }
            return assignees;
        }
        if (approverType == LocalUnitApproverType.STAFF) {
            List<MpPassLocalUnitMember> members =
                    mpPassLocalUnitMemberMapper.selectList(
                            new LambdaQueryWrapper<MpPassLocalUnitMember>()
                                    .eq(MpPassLocalUnitMember::getDelFlag, 0)
                                    .eq(MpPassLocalUnitMember::getUnitId, unitId)
                                    .orderByAsc(MpPassLocalUnitMember::getId));
            LinkedHashSet<Long> mids = new LinkedHashSet<>();
            for (MpPassLocalUnitMember member : members) {
                if (member.getMpUserId() != null && member.getMpUserId() > 0) {
                    mids.add(member.getMpUserId());
                }
            }
            List<Long> assignees = filterActiveEmployeeIds(mids.stream().toList());
            if (strict && assignees.isEmpty()) {
                throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位审批人员未配置: " + unitId);
            }
            return assignees;
        }
        if (strict) {
            throw new BizException(BizErrorCode.CONFIG_NOT_FOUND, "属地单位审批类型无效: " + unitId);
        }
        return List.of();
    }
 
    private String buildLocalUnitGroupKey(Long unitId) {
        return ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER + LOCAL_UNIT_GROUP_TOKEN + unitId;
    }
 
    private String resolveNodeName(String nodeCode) {
        if (!StringUtils.hasText(nodeCode)) {
            return "未知节点";
        }
        return switch (nodeCode) {
            case ApprovalNodeCode.LEVEL1_HANDLER -> "经办人(一级)";
            case ApprovalNodeCode.LEVEL2_DEPT_LEADER -> "部门负责人(二级)";
            case ApprovalNodeCode.LEVEL3_LOCAL_DEPT_LEADER -> "属地管理部门领导(三级)";
            case ApprovalNodeCode.LEVEL4_VISIT_DEPT -> "访客主管部门(四级)";
            case ApprovalNodeCode.LEVEL5_VISIT_DEPT_LEADER -> "访客主管部门领导(五级)";
            default -> nodeCode;
        };
    }
 
    private int createTasksWithGroupKey(
            Long instanceId, String nodeCode, String groupKey, List<Long> assignees, String initialStatus) {
        Set<Long> unique = new LinkedHashSet<>(assignees == null ? List.of() : assignees);
        unique.removeIf(x -> x == null || x <= 0);
        if (unique.isEmpty()) {
            return 0;
        }
        for (Long uid : unique) {
            ApprovalTask t = new ApprovalTask();
            t.setInstanceId(instanceId);
            t.setNodeCode(nodeCode);
            t.setGroupKey(groupKey);
            t.setAssigneeUserId(uid);
            t.setTaskStatus(initialStatus);
            approvalTaskMapper.insert(t);
        }
        return unique.size();
    }
 
    private void autoApproveCurrentNodeByHistory(Long instanceId, String nodeCode) {
        List<ApprovalTask> approvedHistory =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, instanceId)
                                .eq(ApprovalTask::getTaskStatus, ApprovalTaskStatus.APPROVED)
                                .ne(ApprovalTask::getNodeCode, nodeCode));
        if (approvedHistory.isEmpty()) {
            return;
        }
        Set<Long> approvedAssigneeIds = new LinkedHashSet<>();
        for (ApprovalTask t : approvedHistory) {
            if (t.getAssigneeUserId() != null) {
                approvedAssigneeIds.add(t.getAssigneeUserId());
            }
        }
        if (approvedAssigneeIds.isEmpty()) {
            return;
        }
        List<ApprovalTask> pending =
                approvalTaskMapper.selectList(
                        new LambdaQueryWrapper<ApprovalTask>()
                                .eq(ApprovalTask::getInstanceId, instanceId)
                                .eq(ApprovalTask::getNodeCode, nodeCode)
                                .eq(ApprovalTask::getTaskStatus, ApprovalTaskStatus.PENDING)
                                .orderByAsc(ApprovalTask::getId));
        Set<String> handledGroupKeys = new LinkedHashSet<>();
        for (ApprovalTask task : pending) {
            if (!approvedAssigneeIds.contains(task.getAssigneeUserId())) {
                continue;
            }
            String groupKey = StringUtils.hasText(task.getGroupKey()) ? task.getGroupKey() : ("TASK:" + task.getId());
            if (!handledGroupKeys.add(groupKey)) {
                continue;
            }
            ApprovalTask latest = approvalTaskMapper.selectById(task.getId());
            if (latest == null || !ApprovalTaskStatus.PENDING.equals(latest.getTaskStatus())) {
                continue;
            }
            latest.setTaskStatus(ApprovalTaskStatus.APPROVED);
            if (!StringUtils.hasText(latest.getComment())) {
                latest.setComment(AUTO_APPROVE_COMMENT);
            }
            approvalTaskMapper.updateById(latest);
            markGroupSkippedExcept(latest);
        }
    }
 
    private List<Long> parseLongJsonArray(String raw) {
        if (!StringUtils.hasText(raw)) {
            return List.of();
        }
        try {
            List<Long> list = objectMapper.readValue(raw, LONG_LIST_TYPE);
            if (list == null || list.isEmpty()) {
                return List.of();
            }
            LinkedHashSet<Long> set = new LinkedHashSet<>();
            for (Long id : list) {
                if (id != null && id > 0) {
                    set.add(id);
                }
            }
            return set.stream().toList();
        } catch (Exception ex) {
            return List.of();
        }
    }
 
    private List<Long> filterActiveEmployeeIds(List<Long> ids) {
        if (ids == null || ids.isEmpty()) {
            return List.of();
        }
        List<MpUser> users =
                mpUserMapper.selectList(
                        new LambdaQueryWrapper<MpUser>()
                                .eq(MpUser::getDelFlag, 0)
                                .eq(MpUser::getStatus, 1)
                                .eq(MpUser::getUserType, MiniUserType.EMPLOYEE)
                                .in(MpUser::getId, ids));
        Map<Long, MpUser> userMap =
                users.stream().collect(java.util.stream.Collectors.toMap(MpUser::getId, x -> x, (a, b) -> a));
        List<Long> out = new ArrayList<>();
        for (Long id : ids) {
            if (userMap.containsKey(id)) {
                out.add(id);
            }
        }
        return out;
    }
 
    private record LocalUnitApprovalGroup(Long unitId, List<Long> assigneeIds) {}
}