liyong
2026-07-10 80ddf4c9c0bcb0f6c31524e0d9f5599c8001e904
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package cn.iocoder.yudao.module.hrm.service.approval;
 
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjUtil;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
import cn.iocoder.yudao.module.bpm.service.definition.BpmCategoryService;
import cn.iocoder.yudao.module.bpm.service.definition.BpmProcessDefinitionService;
import cn.iocoder.yudao.module.hrm.controller.admin.approval.vo.HrmLeaveApplicationPageReqVO;
import cn.iocoder.yudao.module.hrm.controller.admin.approval.vo.HrmLeaveApplicationRespVO;
import cn.iocoder.yudao.module.hrm.controller.admin.approval.vo.HrmLeaveApplicationSaveReqVO;
import cn.iocoder.yudao.module.hrm.dal.dataobject.approval.HrmLeaveApplicationDO;
import cn.iocoder.yudao.module.hrm.dal.mysql.approval.HrmLeaveApplicationMapper;
import cn.iocoder.yudao.module.hrm.dal.redis.HrmNoRedisDAO;
import cn.iocoder.yudao.module.hrm.enums.HrmAuditStatusEnum;
import cn.iocoder.yudao.module.hrm.enums.HrmLeaveTypeEnum;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.flowable.engine.repository.ProcessDefinition;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
 
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
 
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.module.hrm.enums.ErrorCodeConstants.*;
 
/**
 * 请假申请 Service 实现类
 *
 * @author 芋道源码
 */
@Service
@Validated
@Slf4j
public class HrmLeaveApplicationServiceImpl implements HrmLeaveApplicationService {
 
    @Resource
    private HrmLeaveApplicationMapper leaveApplicationMapper;
    @Resource
    private HrmNoRedisDAO noRedisDAO;
    @Resource
    private DeptApi deptApi;
    @Resource
    private AdminUserApi adminUserApi;
    @Resource
    private BpmProcessInstanceApi bpmProcessInstanceApi;
    @Resource
    private BpmCategoryService bpmCategoryService;
    @Resource
    private BpmProcessDefinitionService bpmProcessDefinitionService;
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Long createLeaveApplication(HrmLeaveApplicationSaveReqVO createReqVO) {
        // 1. 生成申请单号
        String no = generateUniqueNo();
        // 2. 设置申请人信息
        Long userId = createReqVO.getUserId();
        if (userId == null) {
            userId = getCurrentUserId();
        }
        AdminUserRespDTO user = adminUserApi.getUser(userId);
        if (user == null) {
            userId = getCurrentUserId();
        }
        // 3. 插入
        HrmLeaveApplicationDO application = BeanUtils.toBean(createReqVO, HrmLeaveApplicationDO.class);
        application.setNo(no);
        application.setUserId(userId);
        application.setDeptId(createReqVO.getDeptId() != null ? createReqVO.getDeptId() : user.getDeptId());
        application.setStatus(HrmAuditStatusEnum.DRAFT.getStatus());
        leaveApplicationMapper.insert(application);
        return application.getId();
    }
 
    private Long getCurrentUserId() {
        // TODO: 获取当前登录用户ID
        return 1L;
    }
 
    private String generateUniqueNo() {
        String no = noRedisDAO.generateLeaveApplicationNo();
        if (leaveApplicationMapper.selectByNo(no) != null) {
            return generateUniqueNo();
        }
        return no;
    }
 
    @Override
    public void updateLeaveApplication(HrmLeaveApplicationSaveReqVO updateReqVO) {
        // 校验存在
        HrmLeaveApplicationDO application = validateLeaveApplicationExists(updateReqVO.getId());
        // 校验状态为草稿或审批中
        if (!Objects.equals(application.getStatus(), HrmAuditStatusEnum.DRAFT.getStatus())
                && !Objects.equals(application.getStatus(), HrmAuditStatusEnum.PROCESS.getStatus())) {
            throw exception(LEAVE_APPLICATION_UPDATE_FAIL_NOT_DRAFT);
        }
        // 更新
        HrmLeaveApplicationDO updateObj = BeanUtils.toBean(updateReqVO, HrmLeaveApplicationDO.class);
        leaveApplicationMapper.updateById(updateObj);
    }
 
    @Override
    public void deleteLeaveApplication(Long id) {
        // 校验存在
        HrmLeaveApplicationDO application = validateLeaveApplicationExists(id);
        // 校验状态为草稿
        if (!Objects.equals(application.getStatus(), HrmAuditStatusEnum.DRAFT.getStatus())) {
            throw exception(LEAVE_APPLICATION_UPDATE_FAIL_NOT_DRAFT);
        }
        // 删除
        leaveApplicationMapper.deleteById(id);
    }
 
    private HrmLeaveApplicationDO validateLeaveApplicationExists(Long id) {
        HrmLeaveApplicationDO application = leaveApplicationMapper.selectById(id);
        if (application == null) {
            throw exception(LEAVE_APPLICATION_NOT_EXISTS);
        }
        return application;
    }
 
    @Override
    public HrmLeaveApplicationDO getLeaveApplication(Long id) {
        return leaveApplicationMapper.selectById(id);
    }
 
    @Override
    public HrmLeaveApplicationRespVO getLeaveApplicationDetail(Long id) {
        HrmLeaveApplicationDO application = getLeaveApplication(id);
        if (application == null) {
            return null;
        }
        HrmLeaveApplicationRespVO respVO = BeanUtils.toBean(application, HrmLeaveApplicationRespVO.class);
        // 填充用户名称
        if (application.getUserId() != null) {
            AdminUserRespDTO user = adminUserApi.getUser(application.getUserId());
            if (user != null) {
                respVO.setUserName(user.getNickname());
            }
        }
        // 填充部门名称
        if (application.getDeptId() != null) {
            DeptRespDTO dept = deptApi.getDept(application.getDeptId());
            if (dept != null) {
                respVO.setDeptName(dept.getName());
            }
        }
        // 填充请假类型名称
        respVO.setLeaveTypeName(HrmLeaveTypeEnum.getNameByStatus(application.getLeaveType()));
        // 填充审批状态名称
        respVO.setStatusName(HrmAuditStatusEnum.getNameByStatus(application.getStatus()));
        return respVO;
    }
 
    @Override
    public PageResult<HrmLeaveApplicationRespVO> getLeaveApplicationPage(HrmLeaveApplicationPageReqVO pageReqVO) {
        PageResult<HrmLeaveApplicationDO> pageResult = leaveApplicationMapper.selectPage(pageReqVO);
        if (pageResult.getList().isEmpty()) {
            return new PageResult<>(Collections.emptyList(), pageResult.getTotal());
        }
        // 填充关联信息
        Set<Long> userIds = pageResult.getList().stream()
                .map(HrmLeaveApplicationDO::getUserId)
                .filter(Objects::nonNull)
                .collect(Collectors.toSet());
        Set<Long> deptIds = pageResult.getList().stream()
                .map(HrmLeaveApplicationDO::getDeptId)
                .filter(Objects::nonNull)
                .collect(Collectors.toSet());
        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
        Map<Long, DeptRespDTO> deptMap = deptApi.getDeptMap(deptIds);
        List<HrmLeaveApplicationRespVO> list = pageResult.getList().stream().map(app -> {
            HrmLeaveApplicationRespVO vo = BeanUtils.toBean(app, HrmLeaveApplicationRespVO.class);
            if (app.getUserId() != null && userMap.containsKey(app.getUserId())) {
                vo.setUserName(userMap.get(app.getUserId()).getNickname());
            }
            if (app.getDeptId() != null && deptMap.containsKey(app.getDeptId())) {
                vo.setDeptName(deptMap.get(app.getDeptId()).getName());
            }
            vo.setLeaveTypeName(HrmLeaveTypeEnum.getNameByStatus(app.getLeaveType()));
            vo.setStatusName(HrmAuditStatusEnum.getNameByStatus(app.getStatus()));
            return vo;
        }).collect(Collectors.toList());
        return new PageResult<>(list, pageResult.getTotal());
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void submitLeaveApplication(Long id, String processDefinitionKey, Long userId) {
        // 1. 校验请假申请是否存在
        HrmLeaveApplicationDO application = validateLeaveApplicationExists(id);
        if (ObjUtil.notEqual(application.getStatus(), HrmAuditStatusEnum.DRAFT.getStatus())) {
            throw exception(LEAVE_APPLICATION_SUBMIT_FAIL_NOT_DRAFT);
        }
 
        // 2. 校验分类和流程定义是否存在
        validateApproveCategoryAndProcessDefinition();
 
        // 3. 校验传入的流程定义 Key 是否属于该分类且处于激活状态
        ProcessDefinition processDefinition = bpmProcessDefinitionService.getActiveProcessDefinition(processDefinitionKey);
        if (processDefinition == null) {
            throw exception(LEAVE_APPLICATION_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        }
 
        // 4. 创建审批流程实例
        String processInstanceId = bpmProcessInstanceApi.createProcessInstance(userId, new BpmProcessInstanceCreateReqDTO()
                .setProcessDefinitionKey(processDefinitionKey).setBusinessKey(String.valueOf(id)));
 
        // 5. 更新请假申请工作流编号
        leaveApplicationMapper.updateById(HrmLeaveApplicationDO.builder()
                .id(id)
                .processInstanceId(processInstanceId)
                .status(HrmAuditStatusEnum.PROCESS.getStatus())
                .build());
    }
 
    /**
     * 校验 BPM 请假审批分类和流程定义是否存在
     */
    private void validateApproveCategoryAndProcessDefinition() {
        // 1. 校验分类是否存在
        List<String> codes = Collections.singletonList(APPROVE_CATEGORY_CODE);
        Map<String, ?> categoryMap = bpmCategoryService.getCategoryMap(codes);
        if (!categoryMap.containsKey(APPROVE_CATEGORY_CODE)) {
            throw exception(LEAVE_APPLICATION_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        }
 
        // 2. 校验分类下是否有可用的流程定义
        List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
                .getProcessDefinitionInfoListByCategory(APPROVE_CATEGORY_CODE);
        if (CollUtil.isEmpty(definitionInfoList)) {
            throw exception(LEAVE_APPLICATION_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        }
 
        // 3. 校验是否有激活状态的流程定义
        Set<String> processDefinitionIds = convertSet(definitionInfoList, BpmProcessDefinitionInfoDO::getProcessDefinitionId);
        List<ProcessDefinition> processDefinitions = bpmProcessDefinitionService.getProcessDefinitionList(processDefinitionIds);
        boolean hasActiveDefinition = processDefinitions.stream()
                .anyMatch(pd -> !pd.isSuspended());
        if (!hasActiveDefinition) {
            throw exception(LEAVE_APPLICATION_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        }
    }
 
    @Override
    public List<Map<String, Object>> getApproveProcessDefinitionList() {
        // 1. 校验分类和流程定义是否存在
        validateApproveCategoryAndProcessDefinition();
 
        // 2. 获取分类下的流程定义信息
        List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
                .getProcessDefinitionInfoListByCategory(APPROVE_CATEGORY_CODE);
 
        // 3. 获取流程定义详情
        Set<String> processDefinitionIds = convertSet(definitionInfoList, BpmProcessDefinitionInfoDO::getProcessDefinitionId);
        List<ProcessDefinition> processDefinitions = bpmProcessDefinitionService.getProcessDefinitionList(processDefinitionIds);
 
        // 4. 过滤:只保留激活状态,且相同 key 只保留最新版本
        Map<String, ProcessDefinition> latestVersionMap = new HashMap<>();
        for (ProcessDefinition pd : processDefinitions) {
            if (pd.isSuspended()) {
                continue;
            }
            ProcessDefinition existing = latestVersionMap.get(pd.getKey());
            if (existing == null || pd.getVersion() > existing.getVersion()) {
                latestVersionMap.put(pd.getKey(), pd);
            }
        }
 
        // 5. 返回流程定义列表
        List<Map<String, Object>> result = new ArrayList<>();
        for (ProcessDefinition pd : latestVersionMap.values()) {
            Map<String, Object> item = new HashMap<>();
            item.put("id", pd.getId());
            item.put("key", pd.getKey());
            item.put("name", pd.getName());
            item.put("version", pd.getVersion());
            result.add(item);
        }
        return result;
    }
 
    @Override
    public void updateLeaveApplicationAuditStatus(Long id, Integer status) {
        // 校验存在
        HrmLeaveApplicationDO application = validateLeaveApplicationExists(id);
        // 校验状态为审批中
        if (!Objects.equals(application.getStatus(), HrmAuditStatusEnum.PROCESS.getStatus())) {
            log.error("[updateLeaveApplicationAuditStatus][application({}) 不处于审批中,无法更新审批结果({})]",
                    id, status);
            throw exception(LEAVE_APPLICATION_UPDATE_AUDIT_STATUS_FAIL_NOT_PROCESS);
        }
        // 更新状态
        leaveApplicationMapper.updateById(HrmLeaveApplicationDO.builder()
                .id(id)
                .status(status)
                .approveTime(java.time.LocalDateTime.now())
                .build());
    }
 
    @Override
    public HrmLeaveApplicationDO getLeaveApplicationByProcessInstanceId(String processInstanceId) {
        return leaveApplicationMapper.selectByProcessInstanceId(processInstanceId);
    }
 
}