luohairen
2024-12-10 b24e024f386e7f25a071b58e9267a2c19f20ba1e
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package com.ycl.service.impl;
 
 
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
import com.ycl.common.constant.ProcessConstants;
import com.ycl.common.core.domain.AjaxResult;
import com.ycl.common.core.domain.entity.SysDept;
import com.ycl.common.core.domain.entity.SysRole;
import com.ycl.common.core.domain.entity.SysUser;
import com.ycl.common.enums.FlowComment;
import com.ycl.common.enums.business.HandlerTypeEnum;
import com.ycl.common.enums.business.TaskStatusEnum;
import com.ycl.common.utils.SecurityUtils;
import com.ycl.constant.TaskTypeConstant;
import com.ycl.domain.dto.FlowTaskDto;
import com.ycl.domain.entity.ProjectInfo;
import com.ycl.domain.entity.ProjectProcess;
import com.ycl.domain.vo.CustomerTaskVO;
import com.ycl.domain.vo.ProjectProcessDetailVO;
import com.ycl.mapper.ProjectInfoMapper;
import com.ycl.mapper.ProjectProcessMapper;
import com.ycl.service.ProjectProcessService;
import com.ycl.common.base.Result;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.domain.form.ProjectProcessForm;
import com.ycl.domain.vo.ProjectProcessVO;
import com.ycl.domain.query.ProjectProcessQuery;
import com.ycl.service.common.TaskCommonService;
import com.ycl.system.service.ISysDeptService;
import com.ycl.system.service.ISysRoleService;
import com.ycl.system.service.ISysUserService;
import org.apache.commons.lang3.StringUtils;
import org.flowable.bpmn.model.*;
import org.flowable.bpmn.model.Process;
import org.flowable.common.engine.impl.util.CollectionUtil;
import org.flowable.engine.*;
import org.flowable.engine.history.HistoricProcessInstance;
import org.flowable.engine.repository.ProcessDefinition;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.identitylink.api.IdentityLink;
import org.flowable.identitylink.api.IdentityLinkInfo;
import org.flowable.identitylink.api.history.HistoricIdentityLink;
import org.flowable.task.api.Task;
import org.flowable.task.api.TaskQuery;
import org.flowable.task.api.history.HistoricTaskInstance;
import org.flowable.task.api.history.HistoricTaskInstanceQuery;
import org.springframework.stereotype.Service;
import lombok.RequiredArgsConstructor;
import com.ycl.framework.utils.PageUtil;
import org.springframework.beans.BeanUtils;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
 
import java.util.*;
import java.util.stream.Collectors;
 
/**
 * 项目流程关系表 服务实现类
 *
 * @author xp
 * @since 2024-11-26
 */
@Service
@RequiredArgsConstructor
public class ProjectProcessServiceImpl extends ServiceImpl<ProjectProcessMapper, ProjectProcess> implements ProjectProcessService {
 
    private final ProjectProcessMapper projectProcessMapper;
    private final RuntimeService runtimeService;
    private final TaskService taskService;
    private final IdentityService identityService;
    private final RepositoryService repositoryService;
    private final ProjectInfoMapper projectInfoMapper;
    private final HistoryService historyService;
    private final ISysUserService sysUserService;
    private final ISysRoleService sysRoleService;
    private final ISysDeptService sysDeptService;
    private final TaskCommonService taskCommonService;
 
    /**
     * 分页查询
     *
     * @param query
     * @return
     */
    @Override
    public Result page(ProjectProcessQuery query) {
        IPage<ProjectProcessVO> page = PageUtil.getPage(query, ProjectProcessVO.class);
        baseMapper.getPage(page, query);
        for (ProjectProcessVO vo : page.getRecords()) {
            if (Objects.nonNull(vo.getProcessDefId())) {
                ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionId(vo.getProcessDefId()).singleResult();
                if (Objects.nonNull(processDefinition)) {
                    vo.setSuspended(processDefinition.isSuspended());
                }
            }
        }
        return Result.ok().data(page.getRecords()).total(page.getTotal());
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result projectSetProcess(ProjectProcessForm form) {
        // 查询该项目是否已经绑定过流程了,检查绑定的流程是否在运行,在运行就删了
        ProjectProcess pp = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProjectProcess::getProjectId, form.getProjectId())
                .one();
        if (Objects.isNull(pp)) {
            throw new RuntimeException("该项目未绑定流程");
        }
        if (Objects.nonNull(pp.getProcessInsId())) {
            HistoricProcessInstance historicProcessInstance =
                    historyService.createHistoricProcessInstanceQuery().processInstanceId(pp.getProcessInsId()).singleResult();
            if (Objects.nonNull(historicProcessInstance)) {
                // 删除之前流程的数据
                if (historicProcessInstance.getEndTime() != null) {
                    historyService.deleteHistoricProcessInstance(historicProcessInstance.getId());
                } else {
                    // 删除流程实例
                    runtimeService.deleteProcessInstance(pp.getProcessInsId(), "");
                    // 删除历史流程实例
                    historyService.deleteHistoricProcessInstance(pp.getProcessInsId());
                }
            }
        }
        String processInsId = this.startPro(form.getProjectId(), form.getProcessDefId());
        new LambdaUpdateChainWrapper<>(baseMapper)
                .eq(ProjectProcess::getProjectId, form.getProjectId())
                .set(ProjectProcess::getProcessDefId, form.getProcessDefId())
                .set(ProjectProcess::getProcessInsId, processInsId)
                .update();
        return Result.ok("流程变更成功");
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result startProcess(Long projectId, String processDefId) {
        String processInsId = this.startPro(projectId, processDefId);
        ProjectProcess entity = new ProjectProcess();
        entity.setProjectId(projectId);
        entity.setProcessDefId(processDefId);
        entity.setProcessInsId(processInsId);
        baseMapper.insert(entity);
        return Result.ok("流程启动成功");
    }
 
    /**
     * 启动流程
     *
     * @param projectId
     * @param processDefId
     * @return
     */
    private String startPro(Long projectId, String processDefId) {
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionId(processDefId)
                .latestVersion().singleResult();
        if (Objects.nonNull(processDefinition) && processDefinition.isSuspended()) {
            throw new RuntimeException("该流程已被挂起,请先激活流程");
        }
        Map<String, Object> variables = new HashMap<>(2);
        // 设置流程发起人Id到流程中
        SysUser sysUser = SecurityUtils.getLoginUser().getUser();
        identityService.setAuthenticatedUserId(sysUser.getUserId().toString());
        variables.put(ProcessConstants.PROCESS_INITIATOR, sysUser.getUserId());
        ProcessInstance processInstance = runtimeService.startProcessInstanceById(processDefId, projectId + "", variables);
        return processInstance.getId();
    }
 
    /**
     * 获取流程详情
     *
     * @param projectId
     * @return
     */
    @Override
    public Result detail(Long projectId, String processDefId) {
        // 项目信息
        ProjectInfo projectInfo = new LambdaQueryChainWrapper<>(projectInfoMapper)
                .select(ProjectInfo::getId, ProjectInfo::getProjectName, ProjectInfo::getProjectCode)
                .eq(ProjectInfo::getId, projectId)
                .one();
 
        if (Objects.isNull(projectInfo)) {
            return Result.error("该项目不存在");
        }
 
        ProjectProcess projectProcess = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProjectProcess::getProjectId, projectId)
                .eq(ProjectProcess::getProcessDefId, processDefId)
                .one();
        if (Objects.isNull(projectProcess)) {
            return Result.error("该项目未设置流程");
        }
 
        ProjectProcessDetailVO detail = new ProjectProcessDetailVO();
        detail.setProjectId(projectId);
        detail.setProjectName(projectInfo.getProjectName());
        detail.setProjectCode(projectInfo.getProjectCode());
 
        ProjectProcessDetailVO.TaskStatistics taskStatistics = new ProjectProcessDetailVO.TaskStatistics();
        // 状态统计
        taskStatistics.setTotalTaskNum(this.getTotalTaskNum(processDefId));
        taskStatistics.setTodoTaskNum(this.getTodoTaskNum(projectProcess.getProcessInsId()));
        taskStatistics.setRemainingTaskNum(this.getRemainingTaskNum(processDefId, projectProcess.getProcessInsId()));
//        taskStatistics.setCurrentTask(this.getCurrentNodeTaskList(projectProcess.getProcessInstanceId()));
        taskStatistics.setRemainingTaskNum(this.getRemainingTaskNum(projectProcess.getProcessDefId(), projectProcess.getProcessInsId()));
        detail.setStatistics(taskStatistics);
 
        Result result = Result.ok();
 
        // 代办任务
        this.getTodoTaskList(projectProcess.getProcessInsId(), "", 5, 1, result);
        return result.data(detail);
    }
 
    @Override
    public Result taskList(com.ycl.domain.query.TaskQuery query) {
        // 获取项目对应的流程实例id
        ProjectProcess projectProcess = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProjectProcess::getProjectId, query.getProjectId())
                .eq(ProjectProcess::getProcessDefId, query.getProcessDefId())
                .one();
        if (Objects.isNull(projectProcess)) {
            throw new RuntimeException("该项目未配置流程");
        }
        Result ok = Result.ok();
        switch (query.getTaskType()) {
            case TaskTypeConstant.ALL:
                this.getAllUserTask(query.getProcessDefId(), projectProcess.getProcessInsId(), query.getTaskName(), (int) query.getCurrentPage(), (int) query.getPageSize(), ok);
                break;
            case TaskTypeConstant.TODO:
                this.getTodoTaskList(projectProcess.getProcessInsId(), query.getTaskName(), (int) query.getPageSize(), (int) query.getCurrentPage(), ok);
                ok.data(ok.get("taskList"));
                break;
            case TaskTypeConstant.CURRENT:
                break;
            case TaskTypeConstant.REMAINING:
                this.getRemainingTask(query.getProcessDefId(), projectProcess.getProcessInsId(), query.getTaskName(), (int) query.getCurrentPage(), (int) query.getPageSize(), ok);
                break;
            default:
                break;
 
        }
        return ok;
    }
 
    @Override
    public void getAllTodoTask(String taskName, int pageSize, int pageNum, Result result) {
        TaskQuery taskQuery = taskService.createTaskQuery()
                .active()
                .includeProcessVariables()
                .orderByTaskCreateTime().desc();
 
        if (StringUtils.isNotBlank(taskName)) {
            taskQuery.processDefinitionNameLike(taskName);
        }
        result.total(taskQuery.count());
        List<Task> taskList = taskQuery.listPage(pageSize * (pageNum - 1), pageSize);
        List<CustomerTaskVO> vos = new ArrayList<>();
        for (Task task : taskList) {
            CustomerTaskVO taskVO = new CustomerTaskVO();
            // 当前流程信息
            taskVO.setTaskId(task.getId());
            taskVO.setCreateTime(task.getCreateTime());
            taskVO.setProcessDefId(task.getProcessDefinitionId());
            taskVO.setExecutionId(task.getExecutionId());
            taskVO.setTaskName(task.getName());
            taskVO.setTaskStatus(TaskStatusEnum.TODO);
            // 流程定义信息
            ProcessDefinition pd = repositoryService.createProcessDefinitionQuery()
                    .processDefinitionId(task.getProcessDefinitionId())
                    .singleResult();
            taskVO.setDeployId(pd.getDeploymentId());
            taskVO.setProcessName(pd.getName());
            taskVO.setProcessInsId(task.getProcessInstanceId());
            taskVO.setTaskDefinitionKey(task.getTaskDefinitionKey());
 
            // 流程发起人信息
            this.setPromoterInfo(taskVO);
 
            // 流程处理人信息
            List<IdentityLink> identityLinksForTask = taskService.getIdentityLinksForTask(task.getId());
            for (IdentityLink identityLink : identityLinksForTask) {
                // 绑定的是用户,查出用户姓名、部门
                if (StringUtils.isNotBlank(identityLink.getUserId())) {
                    taskVO.setHandlerType(HandlerTypeEnum.USER);
                    SysUser sysUser = sysUserService.selectUserById(Long.parseLong(identityLink.getUserId()));
                    if (Objects.nonNull(sysUser)) {
                        taskVO.setHandlerId(sysUser.getUserId());
                        if (Objects.nonNull(sysUser.getDept())) {
                            taskVO.setHandlerUnitId(sysUser.getDept().getDeptId());
                            taskVO.setHandlerUnitName(sysUser.getDept().getDeptName());
                        }
                        taskVO.setHandlerName(sysUser.getNickName());
                    }
                    // 绑定的是角色或者部门
                } else if (StringUtils.isNotBlank(identityLink.getGroupId())) {
                    if (identityLink.getGroupId().startsWith("dept")) {   // 部门的id是加了前缀的如:dept:1
                        taskVO.setHandlerType(HandlerTypeEnum.DEPT);
                        String[] split = identityLink.getGroupId().split(":");
                        if (split.length > 1) {
                            // 部门
                            SysDept dept = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                            if (Objects.nonNull(dept)) {
                                taskVO.setHandlerUnitId(dept.getDeptId());
                                taskVO.setHandlerUnitName(dept.getDeptName());
                                taskVO.setHandlerName("暂未处理");
                                taskVO.setHandlerId(null);
                            }
                        }
                    } else {
                        taskVO.setHandlerType(HandlerTypeEnum.ROLE);
                        SysRole role = sysRoleService.selectRoleById(Long.parseLong(identityLink.getGroupId()));
                        if (Objects.nonNull(role)) {
                            taskVO.setHandlerUnitId(Long.parseLong(identityLink.getGroupId()));
                            taskVO.setHandlerUnitName("由拥有角色:【" + role.getRoleName() + "】的人处理");
                            taskVO.setHandlerName("暂未处理");
                            taskVO.setHandlerId(null);
                        }
                    }
                }
            }
            vos.add(taskVO);
        }
        result.put("taskList", vos);
    }
 
    @Override
    public Result detailByProcessInsId(com.ycl.domain.query.TaskQuery query) {
        List<ProjectProcess> list = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(ProjectProcess::getProcessInsId, query.getProcessInsId())
                .eq(ProjectProcess::getProcessDefId, query.getProcessDefId())
                .list();
        return Result.ok().data(list);
    }
 
    @Override
    public Result taskIsAuditing(String processDefinitionId, String taskId) {
        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
        BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinitionId);
        Collection<Process> processes = bpmnModel.getProcesses();
        Boolean needAuditing = Boolean.FALSE;
        for (Process process : processes) {
            Collection<FlowElement> flowElements = process.getFlowElements();
            for (FlowElement flowElement : flowElements) {
                if (flowElement instanceof UserTask && flowElement.getId().equals(task.getTaskDefinitionKey())) {
                    UserTask userTask = (UserTask) flowElement;
                    needAuditing = taskCommonService.checkTaskNeedAuditing(userTask.getExtensionElements().get("properties"));
                    break;
                }
 
            }
        }
        return Result.ok().data(needAuditing);
    }
 
    /**
     * 查询待办任务
     *
     * @param processInsId
     * @param taskName
     * @param pageSize
     * @param pageNum
     * @param result
     */
    public void getTodoTaskList(String processInsId, String taskName, int pageSize, int pageNum, Result result) {
        TaskQuery taskQuery = taskService.createTaskQuery()
                .active()
                .processInstanceId(processInsId)
                .includeProcessVariables()
                .orderByTaskCreateTime().desc();
 
        if (StringUtils.isNotBlank(taskName)) {
            taskQuery.processDefinitionNameLike(taskName);
        }
        result.total(taskQuery.count());
        List<Task> taskList = taskQuery.listPage(pageSize * (pageNum - 1), pageSize);
        List<CustomerTaskVO> vos = new ArrayList<>();
        for (Task task : taskList) {
            CustomerTaskVO taskVO = new CustomerTaskVO();
            // 当前流程信息
            taskVO.setTaskId(task.getId());
            taskVO.setCreateTime(task.getCreateTime());
            taskVO.setProcessDefId(task.getProcessDefinitionId());
            taskVO.setExecutionId(task.getExecutionId());
            taskVO.setTaskName(task.getName());
            taskVO.setTaskStatus(TaskStatusEnum.TODO);
            // 流程定义信息
            ProcessDefinition pd = repositoryService.createProcessDefinitionQuery()
                    .processDefinitionId(task.getProcessDefinitionId())
                    .singleResult();
            taskVO.setDeployId(pd.getDeploymentId());
            taskVO.setProcessName(pd.getName());
            taskVO.setProcessInsId(task.getProcessInstanceId());
            taskVO.setTaskDefinitionKey(task.getTaskDefinitionKey());
 
            // 流程发起人信息
            this.setPromoterInfo(taskVO);
 
            // 流程处理人信息
            List<IdentityLink> identityLinksForTask = taskService.getIdentityLinksForTask(task.getId());
            for (IdentityLink identityLink : identityLinksForTask) {
                // 绑定的是用户,查出用户姓名、部门
                if (StringUtils.isNotBlank(identityLink.getUserId())) {
                    taskVO.setHandlerType(HandlerTypeEnum.USER);
                    SysUser sysUser = sysUserService.selectUserById(Long.parseLong(identityLink.getUserId()));
                    if (Objects.nonNull(sysUser)) {
                        taskVO.setHandlerId(sysUser.getUserId());
                        if (Objects.nonNull(sysUser.getDept())) {
                            taskVO.setHandlerUnitId(sysUser.getDept().getDeptId());
                            taskVO.setHandlerUnitName(sysUser.getDept().getDeptName());
                        }
                        taskVO.setHandlerName(sysUser.getNickName());
                    }
                    // 绑定的是角色或者部门
                } else if (StringUtils.isNotBlank(identityLink.getGroupId())) {
                    if (identityLink.getGroupId().startsWith("dept")) {   // 部门的id是加了前缀的如:dept:1
                        taskVO.setHandlerType(HandlerTypeEnum.DEPT);
                        String[] split = identityLink.getGroupId().split(":");
                        if (split.length > 1) {
                            // 部门
                            SysDept dept = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                            if (Objects.nonNull(dept)) {
                                taskVO.setHandlerUnitId(dept.getDeptId());
                                taskVO.setHandlerUnitName(dept.getDeptName());
                                taskVO.setHandlerName("暂未处理");
                                taskVO.setHandlerId(null);
                            }
                        }
                    } else {
                        taskVO.setHandlerType(HandlerTypeEnum.ROLE);
                        SysRole role = sysRoleService.selectRoleById(Long.parseLong(identityLink.getGroupId()));
                        if (Objects.nonNull(role)) {
                            taskVO.setHandlerUnitId(Long.parseLong(identityLink.getGroupId()));
                            taskVO.setHandlerUnitName("由拥有角色:【" + role.getRoleName() + "】的人处理");
                            taskVO.setHandlerName("暂未处理");
                            taskVO.setHandlerId(null);
                        }
                    }
                }
            }
            vos.add(taskVO);
        }
        result.put("taskList", vos);
    }
 
    /**
     * 获取所有任务
     *
     * @param processDefinitionId 流程运行id
     * @param processInsId        流程实例id
     * @param pageNum
     * @param pageSize
     * @param result
     * @return
     */
    private List<CustomerTaskVO> getAllUserTask(String processDefinitionId, String processInsId, String taskName, Integer pageNum, Integer pageSize, Result result) {
        int startNum = pageSize * (pageNum - 1);
        int endNum = startNum + pageSize;
        List<UserTask> allUserTaskElement = this.getAllUserTaskElement(processDefinitionId);
        if (startNum >= allUserTaskElement.size()) {
            // 如果起始索引超出了列表的大小,返回一个空列表
            return new ArrayList<>();
        }
        if (StringUtils.isNotBlank(taskName)) {
            // 模拟模糊查询
            allUserTaskElement = allUserTaskElement.stream().filter(taskEl -> taskEl.getName().contains(taskName)).collect(Collectors.toList());
        }
        result.total(allUserTaskElement.size());
        int end = Math.min(endNum, allUserTaskElement.size());
        List<UserTask> userTasks = allUserTaskElement.subList(startNum, end);
        // 查出流程
        ProcessInstance process = runtimeService.createProcessInstanceQuery().processInstanceId(processInsId).singleResult();
        // 判断任务状态
        List<CustomerTaskVO> vos = userTasks.stream().map(userTask -> {
            CustomerTaskVO vo = new CustomerTaskVO();
            vo.setProcessInsId(process.getId());
            vo.setProcessDefId(processDefinitionId);
            vo.setDeployId(process.getDeploymentId());
            vo.setTaskName(userTask.getName());
            vo.setProcessName(process.getProcessDefinitionName());
            Task task = taskService.createTaskQuery().processInstanceId(process.getId()).taskDefinitionKey(userTask.getId()).singleResult();
            if (Objects.isNull(task)) {
                // 如果任务在运行时没找到,那么可能为未开始或者已完成,需要从历史任务中再找一下
                HistoricTaskInstance historicTask = historyService.createHistoricTaskInstanceQuery()
                        .processInstanceId(process.getProcessInstanceId())
                        .taskDefinitionKey(userTask.getId())
                        .includeIdentityLinks()
                        .singleResult();
                if (Objects.isNull(historicTask)) {
                    vo.setPromoterName("暂无");
                    vo.setPromoterUnitName("暂无");
                    // 未开始的任务,其关联的用户组这些都可以从UserTask中拿到,因为本身未开始的任务是没有task的,所以这里直接查
                    if (StringUtils.isNotBlank(userTask.getAssignee())) {
                        vo.setHandlerType(HandlerTypeEnum.USER);
                        SysUser sysUser = sysUserService.selectUserById(Long.parseLong(userTask.getAssignee()));
                        if (Objects.nonNull(sysUser)) {
                            vo.setHandlerId(sysUser.getUserId());
                            vo.setHandlerName(sysUser.getNickName());
                            vo.setHandlerUnitId(Objects.nonNull(sysUser.getDept()) ? sysUser.getDept().getDeptId() : null);
                            vo.setHandlerUnitName(Objects.nonNull(sysUser.getDept()) ? sysUser.getDept().getDeptName() : null);
                        }
                    } else if (CollectionUtil.isNotEmpty(userTask.getCandidateGroups())) {
                        String groupId = userTask.getCandidateGroups().get(0);
                        if (groupId.startsWith("dept")) {   // 部门的id是加了前缀的如:dept:1
                            vo.setHandlerType(HandlerTypeEnum.DEPT);
                            String[] split = groupId.split(":");
                            if (split.length > 1) {
                                // 部门
                                SysDept dept = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                                if (Objects.nonNull(dept)) {
                                    vo.setHandlerUnitId(dept.getDeptId());
                                    vo.setHandlerUnitName(dept.getDeptName());
                                    vo.setHandlerName("未开始");
                                    vo.setHandlerId(null);
                                }
                            }
                        } else {
                            vo.setHandlerType(HandlerTypeEnum.ROLE);
                            SysRole role = sysRoleService.selectRoleById(Long.parseLong(groupId));
                            if (Objects.nonNull(role)) {
                                vo.setHandlerUnitId(Long.parseLong(groupId));
                                vo.setHandlerUnitName("由拥有角色:【" + role.getRoleName() + "】的人处理");
                                vo.setHandlerName("未开始");
                                vo.setHandlerId(null);
                            }
                        }
                    }
                    vo.setTaskStatus(TaskStatusEnum.NOT_START);
                } else {
                    vo.setTaskStatus(TaskStatusEnum.FINISHED);
                    // 如果是已完成的,信息需要单独赋值
                    vo.setTaskId(historicTask.getId());
                    vo.setExecutionId(historicTask.getExecutionId());
                    vo.setCreateTime(historicTask.getStartTime());
                    // 查询实际处理人
                    long handlerUserId = Long.parseLong(historicTask.getAssignee());
                    SysUser handlerUser = sysUserService.selectUserById(handlerUserId);
                    if (Objects.nonNull(handlerUser)) {
                        vo.setHandlerId(handlerUserId);
                        vo.setHandlerName(handlerUser.getNickName());
                    }
                    vo.setTaskDefinitionKey(historicTask.getTaskDefinitionKey());
                    this.setPromoterAndHandler(vo, historicTask.getIdentityLinks());
                }
            } else {
                vo.setTaskStatus(TaskStatusEnum.TODO);
                vo.setTaskId(task.getId());
                vo.setExecutionId(task.getExecutionId());
                vo.setCreateTime(task.getCreateTime());
                vo.setTaskDefinitionKey(task.getTaskDefinitionKey());
 
                this.setPromoterAndHandler(vo, null);
            }
            return vo;
        }).collect(Collectors.toList());
        result.data(vos);
        return vos;
    }
 
    /**
     * 查询剩余事项(未开始的任务)
     *
     * @param processDefinitionId
     * @param processInsId
     * @param taskName
     * @param pageNum
     * @param pageSize
     * @param result
     * @return
     */
    private List<CustomerTaskVO> getRemainingTask(String processDefinitionId, String processInsId, String taskName, Integer pageNum, Integer pageSize, Result result) {
        int startNum = pageSize * (pageNum - 1);
        int endNum = startNum + pageSize;
        List<UserTask> allUserTaskElement = this.getAllUserTaskElement(processDefinitionId);
 
        if (startNum >= allUserTaskElement.size()) {
            // 如果起始索引超出了列表的大小,返回一个空列表
            return new ArrayList<>();
        }
        if (StringUtils.isNotBlank(taskName)) {
            // 模拟模糊查询
            allUserTaskElement = allUserTaskElement.stream().filter(taskEl -> taskEl.getName().contains(taskName)).collect(Collectors.toList());
        }
        result.total(allUserTaskElement.size());
        int end = Math.min(endNum, allUserTaskElement.size());
        List<UserTask> userTasks = allUserTaskElement.subList(startNum, end);
        // 查出流程
        ProcessInstance process = runtimeService.createProcessInstanceQuery().processInstanceId(processInsId).singleResult();
        // 判断任务状态
        List<CustomerTaskVO> vos = userTasks.stream().map(userTask -> {
            CustomerTaskVO vo = new CustomerTaskVO();
            vo.setProcessInsId(process.getId());
            vo.setProcessDefId(processDefinitionId);
            vo.setDeployId(process.getDeploymentId());
            vo.setTaskName(userTask.getName());
            vo.setProcessName(process.getProcessDefinitionName());
            Task task = taskService.createTaskQuery().processInstanceId(process.getId()).taskDefinitionKey(userTask.getId()).singleResult();
            if (Objects.isNull(task)) {
                // 如果任务在运行时没找到,那么可能为未开始或者已完成,只查询未开始的
                HistoricTaskInstance historicTask = historyService.createHistoricTaskInstanceQuery()
                        .processInstanceId(process.getProcessInstanceId())
                        .taskDefinitionKey(userTask.getId())
                        .includeIdentityLinks()
                        .singleResult();
                if (Objects.isNull(historicTask)) {
                    // 未开始的任务,其关联的用户组这些都可以从UserTask中拿到,因为本身未开始的任务是没有task的,所以这里直接查
                    if (StringUtils.isNotBlank(userTask.getAssignee())) {
                        vo.setHandlerType(HandlerTypeEnum.USER);
                        SysUser sysUser = sysUserService.selectUserById(Long.parseLong(userTask.getAssignee()));
                        if (Objects.nonNull(sysUser)) {
                            vo.setHandlerId(sysUser.getUserId());
                            vo.setHandlerName(sysUser.getNickName());
                            vo.setHandlerUnitId(Objects.nonNull(sysUser.getDept()) ? sysUser.getDept().getDeptId() : null);
                            vo.setHandlerUnitName(Objects.nonNull(sysUser.getDept()) ? sysUser.getDept().getDeptName() : null);
                        }
                    } else if (CollectionUtil.isNotEmpty(userTask.getCandidateGroups())) {
                        String groupId = userTask.getCandidateGroups().get(0);
                        if (groupId.startsWith("dept")) {   // 部门的id是加了前缀的如:dept:1
                            vo.setHandlerType(HandlerTypeEnum.DEPT);
                            String[] split = groupId.split(":");
                            if (split.length > 1) {
                                // 部门
                                SysDept dept = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                                if (Objects.nonNull(dept)) {
                                    vo.setHandlerUnitId(dept.getDeptId());
                                    vo.setHandlerUnitName(dept.getDeptName());
                                    vo.setHandlerName("未开始");
                                    vo.setHandlerId(null);
                                }
                            }
                        } else {
                            vo.setHandlerType(HandlerTypeEnum.ROLE);
                            SysRole role = sysRoleService.selectRoleById(Long.parseLong(groupId));
                            if (Objects.nonNull(role)) {
                                vo.setHandlerUnitId(Long.parseLong(groupId));
                                vo.setHandlerUnitName("由拥有角色:【" + role.getRoleName() + "】的人处理");
                                vo.setHandlerName("未开始");
                                vo.setHandlerId(null);
                            }
                        }
                    }
                    vo.setTaskStatus(TaskStatusEnum.NOT_START);
                    return vo;
                } else {
                    return null;
                }
            } else {
                return null;
            }
        }).filter(Objects::nonNull).collect(Collectors.toList());
        result.data(vos);
        return vos;
    }
 
    /**
     * 查询剩余事项(未开始的任务)数量
     *
     * @param processDefinitionId 流程定义id
     * @param processInsId        流程实例id
     * @return
     */
    private Long getRemainingTaskNum(String processDefinitionId, String processInsId) {
 
        List<UserTask> allUserTaskElement = this.getAllUserTaskElement(processDefinitionId);
        // 查出流程
        ProcessInstance process = runtimeService.createProcessInstanceQuery().processInstanceId(processInsId).singleResult();
        long num = 0L;
        // 判断任务状态
        for (UserTask userTask : allUserTaskElement) {
            Task task = taskService.createTaskQuery().processInstanceId(process.getId()).taskDefinitionKey(userTask.getId()).singleResult();
            if (Objects.isNull(task)) {
                // 如果任务在运行时没找到,那么可能为未开始或者已完成,只查询未开始的
                HistoricTaskInstance historicTask = historyService.createHistoricTaskInstanceQuery()
                        .processInstanceId(process.getProcessInstanceId())
                        .taskDefinitionKey(userTask.getId())
                        .includeIdentityLinks()
                        .singleResult();
                if (Objects.isNull(historicTask)) {
                    num++;
                }
            }
        }
        return num;
    }
 
 
    /**
     * 设置任务的发起人&处理人   只有待办任务和已完成任务才会掉这个方法
     *
     * @param taskVO
     * @param identityLinkInfos 如果是已完成的任务,用这个去取关联的用户/用户组
     */
    private void setPromoterAndHandler(CustomerTaskVO taskVO, List<? extends IdentityLinkInfo> identityLinkInfos) {
        this.setPromoterInfo(taskVO);
        // 流程处理人信息
        if (TaskStatusEnum.TODO.equals(taskVO.getTaskStatus())) {
            List<IdentityLink> identityLinksForTask = taskService.getIdentityLinksForTask(taskVO.getTaskId());
            for (IdentityLink identityLink : identityLinksForTask) {
                // 绑定的是用户,查出用户姓名、部门
                if (StringUtils.isNotBlank(identityLink.getUserId())) {
                    SysUser sysUser = sysUserService.selectUserById(Long.parseLong(identityLink.getUserId()));
                    if (Objects.nonNull(sysUser)) {
                        taskVO.setHandlerType(HandlerTypeEnum.USER);
                        taskVO.setHandlerId(sysUser.getUserId());
                        if (Objects.nonNull(sysUser.getDept())) {
                            taskVO.setHandlerUnitId(sysUser.getDept().getDeptId());
                            taskVO.setHandlerUnitName(sysUser.getDept().getDeptName());
                        }
                        taskVO.setHandlerName(sysUser.getNickName());
                    }
                    // 绑定的是角色或者是部门,需要根据id判断
                } else if (StringUtils.isNotBlank(identityLink.getGroupId())) {
                    if (identityLink.getGroupId().startsWith("dept")) {   // 部门的id是加了前缀的如:dept:1
                        taskVO.setHandlerType(HandlerTypeEnum.DEPT);
                        String[] split = identityLink.getGroupId().split(":");
                        if (split.length > 1) {
                            // 部门
                            SysDept dept = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                            if (Objects.nonNull(dept)) {
                                taskVO.setHandlerUnitId(dept.getDeptId());
                                taskVO.setHandlerUnitName(dept.getDeptName());
                                taskVO.setHandlerName("暂未处理");
                                taskVO.setHandlerId(null);
                            }
                        }
                    } else {
                        taskVO.setHandlerType(HandlerTypeEnum.ROLE);
                        SysRole role = sysRoleService.selectRoleById(Long.parseLong(identityLink.getGroupId()));
                        if (Objects.nonNull(role)) {
                            taskVO.setHandlerUnitId(Long.parseLong(identityLink.getGroupId()));
                            taskVO.setHandlerUnitName("由拥有角色:【" + role.getRoleName() + "】的人处理");
                            taskVO.setHandlerName("暂未处理");
                            taskVO.setHandlerId(null);
                        }
                    }
                }
            }
        } else if (TaskStatusEnum.FINISHED.equals(taskVO.getTaskStatus())) {
            for (IdentityLinkInfo identityLink : identityLinkInfos) {
                // 绑定的是用户,查出用户姓名、部门
                if (StringUtils.isNotBlank(identityLink.getUserId())) {
                    taskVO.setHandlerType(HandlerTypeEnum.USER);
                    SysUser sysUser = sysUserService.selectUserById(Long.parseLong(identityLink.getUserId()));
                    if (Objects.nonNull(sysUser)) {
//                        taskVO.setHandlerId(sysUser.getUserId());
                        if (Objects.nonNull(sysUser.getDept())) {
                            taskVO.setHandlerUnitId(sysUser.getDept().getDeptId());
                            taskVO.setHandlerUnitName(sysUser.getDept().getDeptName());
                        }
//                        taskVO.setHandlerName(sysUser.getNickName());
                    }
                    // 绑定的是角色,查出角色名称
                } else if (StringUtils.isNotBlank(identityLink.getGroupId())) {
                    if (identityLink.getGroupId().startsWith("dept")) {
                        taskVO.setHandlerType(HandlerTypeEnum.DEPT);
                        String[] split = identityLink.getGroupId().split(":");
                        if (split.length > 1) {
                            // 部门
                            SysDept dept = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                            if (Objects.nonNull(dept)) {
                                taskVO.setHandlerUnitId(dept.getDeptId());
                                taskVO.setHandlerUnitName(dept.getDeptName());
                            }
                        }
                    } else {
                        taskVO.setHandlerType(HandlerTypeEnum.ROLE);
                        SysRole role = sysRoleService.selectRoleById(Long.parseLong(identityLink.getGroupId()));
                        if (Objects.nonNull(role)) {
                            taskVO.setHandlerUnitId(Long.parseLong(identityLink.getGroupId()));
                            taskVO.setHandlerUnitName("由拥有角色:【" + role.getRoleName() + "】的人处理");
//                        taskVO.setHandlerName(role.getRoleName());
//                        taskVO.setHandlerId(null);
                        }
                    }
                }
            }
        }
 
    }
 
    /**
     * 设置任务发起人
     *
     * @param taskVO
     */
    private void setPromoterInfo(CustomerTaskVO taskVO) {
        // 发起人应为上一节点的处理人
        List<String> beforeNodeKey = taskCommonService.getBeforeNodeInfo(taskVO.getProcessDefId(), taskVO.getTaskDefinitionKey());
        List<SysUser> userList = beforeNodeKey.stream().map(key -> {
            HistoricTaskInstance historicTaskInstance = historyService.createHistoricTaskInstanceQuery().taskDefinitionKey(key).singleResult();
            if (Objects.nonNull(historicTaskInstance)) {
                // 实际领取这个任务的人,也就是处理人
                String assignee = historicTaskInstance.getAssignee();
                SysUser startUser = sysUserService.selectUserById(Long.parseLong(assignee));
                return startUser;
            } else {
                return null;
            }
        }).filter(user -> Objects.nonNull(user)).collect(Collectors.toList());
        if (CollectionUtils.isEmpty(userList)) {
            taskVO.setPromoterName("暂无");
            taskVO.setPromoterUnitName("暂无");
        } else {
            taskVO.setPromoterId(userList.stream().map(user -> { return user.getUserId() + ""; }).collect(Collectors.joining("、")));
            taskVO.setPromoterName(userList.stream().map(user -> { return user.getNickName(); }).collect(Collectors.joining("、")));
            taskVO.setPromoterUnitId(userList.stream().filter(user -> Objects.nonNull(user.getDept())).map(user -> { return user.getDept().getDeptId() + "";}).collect(Collectors.joining("、")));
            taskVO.setPromoterUnitName(userList.stream().filter(user -> Objects.nonNull(user.getDept())).map(user -> { return user.getDept().getDeptName() + "";}).collect(Collectors.joining("、")));
        }
    }
 
    /**
     * 获取某个流程的所有任务节点
     *
     * @param processDefinitionId
     * @return
     */
    private List<UserTask> getAllUserTaskElement(String processDefinitionId) {
        // 获取流程定义
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
                .processDefinitionId(processDefinitionId)
                .singleResult();
 
        if (processDefinition == null) {
            throw new IllegalArgumentException("流程定义ID无效: " + processDefinitionId);
        }
 
        // 获取BPMN模型
        BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinitionId);
        if (bpmnModel == null) {
            throw new IllegalStateException("无法获取BPMN模型: " + processDefinitionId);
        }
 
        // 获取流程对象
        Process process = bpmnModel.getProcessById(processDefinition.getKey());
        if (process == null) {
            throw new IllegalStateException("无法获取流程对象: " + processDefinition.getKey());
        }
 
        List<FlowElement> flowElements = process.getFlowElements().stream().toList();
        List<UserTask> userTaskElements = flowElements.stream().filter(flowElement -> flowElement instanceof UserTask).map(flowElement -> {
            return (UserTask) flowElement;
        }).collect(Collectors.toList());
        return userTaskElements;
    }
 
    /**
     * 获取流程节点数(总任务数,不包含开始、结束等特殊的,只统计UserTask类型的)
     *
     * @param processDefinitionId 流程定义id
     * @return
     */
    private Long getTotalTaskNum(String processDefinitionId) {
        return Long.valueOf(this.getAllUserTaskElement(processDefinitionId).size());
    }
 
    /**
     * 获取待办任务数
     *
     * @param processInstanceId
     * @return
     */
    private Long getTodoTaskNum(String processInstanceId) {
        return taskService.createTaskQuery().active().processInstanceId(processInstanceId).count();
    }
 
    /**
     * 获取当前环节的所有任务数
     *
     * @param processInstanceId
     * @return
     */
    private List<Task> getCurrentNodeTaskList(String processInstanceId) {
        return taskService.createTaskQuery().processDefinitionId(processInstanceId).list();
    }
}