From ed8fc5f674544d3af63c6f68093ffc038385c493 Mon Sep 17 00:00:00 2001
From: dongyukun <1208714201@qq.com>
Date: 星期一, 16 十二月 2024 09:30:04 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'
---
iailab-module-bpm/iailab-module-bpm-biz/src/main/java/com/iailab/module/bpm/service/task/BpmProcessInstanceServiceImpl.java | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/iailab-module-bpm/iailab-module-bpm-biz/src/main/java/com/iailab/module/bpm/service/task/BpmProcessInstanceServiceImpl.java b/iailab-module-bpm/iailab-module-bpm-biz/src/main/java/com/iailab/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
index 9a1cfa0..cbe75f9 100644
--- a/iailab-module-bpm/iailab-module-bpm-biz/src/main/java/com/iailab/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
+++ b/iailab-module-bpm/iailab-module-bpm-biz/src/main/java/com/iailab/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
@@ -1 +1 @@
-package com.iailab.module.bpm.service.task;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.StrUtil;
import com.iailab.framework.common.pojo.PageResult;
import com.iailab.framework.common.util.date.DateUtils;
import com.iailab.framework.common.util.object.PageUtils;
import com.iailab.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
import com.iailab.module.bpm.controller.admin.task.vo.instance.BpmProcessInstanceCancelReqVO;
import com.iailab.module.bpm.controller.admin.task.vo.instance.BpmProcessInstanceCreateReqVO;
import com.iailab.module.bpm.controller.admin.task.vo.instance.BpmProcessInstancePageReqVO;
import com.iailab.module.bpm.convert.task.BpmProcessInstanceConvert;
import com.iailab.module.bpm.enums.task.BpmDeleteReasonEnum;
import com.iailab.module.bpm.enums.task.BpmProcessInstanceStatusEnum;
import com.iailab.module.bpm.framework.flowable.core.candidate.strategy.BpmTaskCandidateStartUserSelectStrategy;
import com.iailab.module.bpm.framework.flowable.core.enums.BpmConstants;
import com.iailab.module.bpm.framework.flowable.core.event.BpmProcessInstanceEventPublisher;
import com.iailab.module.bpm.framework.flowable.core.util.FlowableUtils;
import com.iailab.module.bpm.service.definition.BpmProcessDefinitionService;
import com.iailab.module.bpm.service.message.BpmMessageService;
import com.iailab.module.system.api.user.AdminUserApi;
import com.iailab.module.system.api.user.dto.AdminUserRespDTO;
import lombok.extern.slf4j.Slf4j;
import org.flowable.bpmn.model.BpmnModel;
import org.flowable.bpmn.model.UserTask;
import org.flowable.engine.HistoryService;
import org.flowable.engine.RuntimeService;
import org.flowable.engine.delegate.event.FlowableCancelledEvent;
import org.flowable.engine.history.HistoricProcessInstance;
import org.flowable.engine.history.HistoricProcessInstanceQuery;
import org.flowable.engine.repository.ProcessDefinition;
import org.flowable.engine.runtime.ProcessInstance;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import javax.validation.Valid;
import java.util.*;
import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
import static com.iailab.module.bpm.enums.ErrorCodeConstants.*;
/**
* 流程实例 Service 实现类
*
* ProcessDefinition & ProcessInstance & Execution & Task 的关系：
* 1. <a href="https://blog.csdn.net/bobozai86/article/details/105210414" />
*
* HistoricProcessInstance & ProcessInstance 的关系：
* 1. <a href=" https://my.oschina.net/843294669/blog/71902" />
*
* 简单来说，前者 = 历史 + 运行中的流程实例，后者仅是运行中的流程实例
*
* @author iailab
*/
@Service
@Validated
@Slf4j
public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService {
@Resource
private RuntimeService runtimeService;
@Resource
private HistoryService historyService;
@Resource
private BpmProcessDefinitionService processDefinitionService;
@Resource
private BpmMessageService messageService;
@Resource
private AdminUserApi adminUserApi;
@Resource
private BpmProcessInstanceEventPublisher processInstanceEventPublisher;
@Override
public ProcessInstance getProcessInstance(String id) {
return runtimeService.createProcessInstanceQuery()
.includeProcessVariables()
.processInstanceId(id)
.singleResult();
}
@Override
public List<ProcessInstance> getProcessInstances(Set<String> ids) {
return runtimeService.createProcessInstanceQuery().processInstanceIds(ids).list();
}
@Override
public HistoricProcessInstance getHistoricProcessInstance(String id) {
return historyService.createHistoricProcessInstanceQuery().processInstanceId(id).includeProcessVariables().singleResult();
}
@Override
public List<HistoricProcessInstance> getHistoricProcessInstances(Set<String> ids) {
return historyService.createHistoricProcessInstanceQuery().processInstanceIds(ids).list();
}
@Override
public PageResult<HistoricProcessInstance> getProcessInstancePage(Long userId,
BpmProcessInstancePageReqVO pageReqVO) {
// 通过 BpmProcessInstanceExtDO 表，先查询到对应的分页
HistoricProcessInstanceQuery processInstanceQuery = historyService.createHistoricProcessInstanceQuery()
.includeProcessVariables()
.processInstanceTenantId(FlowableUtils.getTenantId())
.orderByProcessInstanceStartTime().desc();
if (userId != null) { // 【我的流程】菜单时，需要传递该字段
processInstanceQuery.startedBy(String.valueOf(userId));
} else if (pageReqVO.getStartUserId() != null) { // 【管理流程】菜单时，才会传递该字段
processInstanceQuery.startedBy(String.valueOf(pageReqVO.getStartUserId()));
}
if (StrUtil.isNotEmpty(pageReqVO.getName())) {
processInstanceQuery.processInstanceNameLike("%" + pageReqVO.getName() + "%");
}
if (StrUtil.isNotEmpty(pageReqVO.getProcessDefinitionId())) {
processInstanceQuery.processDefinitionId("%" + pageReqVO.getProcessDefinitionId() + "%");
}
if (StrUtil.isNotEmpty(pageReqVO.getCategory())) {
processInstanceQuery.processDefinitionCategory(pageReqVO.getCategory());
}
if (pageReqVO.getStatus() != null) {
processInstanceQuery.variableValueEquals(BpmConstants.PROCESS_INSTANCE_VARIABLE_STATUS, pageReqVO.getStatus());
}
if (ArrayUtil.isNotEmpty(pageReqVO.getCreateTime())) {
processInstanceQuery.startedAfter(DateUtils.of(pageReqVO.getCreateTime()[0]));
processInstanceQuery.startedBefore(DateUtils.of(pageReqVO.getCreateTime()[1]));
}
// 查询数量
long processInstanceCount = processInstanceQuery.count();
if (processInstanceCount == 0) {
return PageResult.empty(processInstanceCount);
}
// 查询列表
List<HistoricProcessInstance> processInstanceList = processInstanceQuery.listPage(PageUtils.getStart(pageReqVO), pageReqVO.getPageSize());
return new PageResult<>(processInstanceList, processInstanceCount);
}
@Override
@Transactional(rollbackFor = Exception.class)
public String createProcessInstance(Long userId, @Valid BpmProcessInstanceCreateReqVO createReqVO) {
// 获得流程定义
ProcessDefinition definition = processDefinitionService.getProcessDefinition(createReqVO.getProcessDefinitionId());
// 发起流程
return createProcessInstance0(userId, definition, createReqVO.getVariables(), null,
createReqVO.getStartUserSelectAssignees());
}
@Override
public String createProcessInstance(Long userId, @Valid BpmProcessInstanceCreateReqDTO createReqDTO) {
// 获得流程定义
ProcessDefinition definition = processDefinitionService.getActiveProcessDefinition(createReqDTO.getProcessDefinitionKey());
// 发起流程
return createProcessInstance0(userId, definition, createReqDTO.getVariables(), createReqDTO.getBusinessKey(),
createReqDTO.getStartUserSelectAssignees());
}
private String createProcessInstance0(Long userId, ProcessDefinition definition,
Map<String, Object> variables, String businessKey,
Map<String, List<Long>> startUserSelectAssignees) {
// 1.1 校验流程定义
if (definition == null) {
throw exception(PROCESS_DEFINITION_NOT_EXISTS);
}
if (definition.isSuspended()) {
throw exception(PROCESS_DEFINITION_IS_SUSPENDED);
}
// 1.2 校验发起人自选审批人
validateStartUserSelectAssignees(definition, startUserSelectAssignees);
// 2. 创建流程实例
if (variables == null) {
variables = new HashMap<>();
}
FlowableUtils.filterProcessInstanceFormVariable(variables); // 过滤一下，避免 ProcessInstance 系统级的变量被占用
variables.put(BpmConstants.PROCESS_INSTANCE_VARIABLE_STATUS, // 流程实例状态：审批中
BpmProcessInstanceStatusEnum.RUNNING.getStatus());
if (CollUtil.isNotEmpty(startUserSelectAssignees)) {
variables.put(BpmConstants.PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES, startUserSelectAssignees);
}
ProcessInstance instance = runtimeService.createProcessInstanceBuilder()
.processDefinitionId(definition.getId())
.businessKey(businessKey)
.name(definition.getName().trim())
.variables(variables)
.start();
return instance.getId();
}
private void validateStartUserSelectAssignees(ProcessDefinition definition, Map<String, List<Long>> startUserSelectAssignees) {
// 1. 获得发起人自选审批人的 UserTask 列表
BpmnModel bpmnModel = processDefinitionService.getProcessDefinitionBpmnModel(definition.getId());
List<UserTask> userTaskList = BpmTaskCandidateStartUserSelectStrategy.getStartUserSelectUserTaskList(bpmnModel);
if (CollUtil.isEmpty(userTaskList)) {
return;
}
// 2. 校验发起人自选审批人的 UserTask 是否都配置了
userTaskList.forEach(userTask -> {
List<Long> assignees = startUserSelectAssignees != null ? startUserSelectAssignees.get(userTask.getId()) : null;
if (CollUtil.isEmpty(assignees)) {
throw exception(PROCESS_INSTANCE_START_USER_SELECT_ASSIGNEES_NOT_CONFIG, userTask.getName());
}
Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(assignees);
assignees.forEach(assignee -> {
if (userMap.get(assignee) == null) {
throw exception(PROCESS_INSTANCE_START_USER_SELECT_ASSIGNEES_NOT_EXISTS, userTask.getName(), assignee);
}
});
});
}
@Override
public void cancelProcessInstanceByStartUser(Long userId, @Valid BpmProcessInstanceCancelReqVO cancelReqVO) {
// 1.1 校验流程实例存在
ProcessInstance instance = getProcessInstance(cancelReqVO.getId());
if (instance == null) {
throw exception(PROCESS_INSTANCE_CANCEL_FAIL_NOT_EXISTS);
}
// 1.2 只能取消自己的
if (!Objects.equals(instance.getStartUserId(), String.valueOf(userId))) {
throw exception(PROCESS_INSTANCE_CANCEL_FAIL_NOT_SELF);
}
// 2. 通过删除流程实例，实现流程实例的取消,
// 删除流程实例，正则执行任务 ACT_RU_TASK. 任务会被删除。
deleteProcessInstance(cancelReqVO.getId(),
BpmDeleteReasonEnum.CANCEL_PROCESS_INSTANCE_BY_START_USER.format(cancelReqVO.getReason()));
// 3. 进一步的处理，交给 updateProcessInstanceCancel 方法
}
@Override
public void cancelProcessInstanceByAdmin(Long userId, BpmProcessInstanceCancelReqVO cancelReqVO) {
// 1.1 校验流程实例存在
ProcessInstance instance = getProcessInstance(cancelReqVO.getId());
if (instance == null) {
throw exception(PROCESS_INSTANCE_CANCEL_FAIL_NOT_EXISTS);
}
// 1.2 管理员取消，不用校验是否为自己的
AdminUserRespDTO user = adminUserApi.getUser(userId).getCheckedData();
// 2. 通过删除流程实例，实现流程实例的取消,
// 删除流程实例，正则执行任务 ACT_RU_TASK. 任务会被删除。
deleteProcessInstance(cancelReqVO.getId(),
BpmDeleteReasonEnum.CANCEL_PROCESS_INSTANCE_BY_ADMIN.format(user.getNickname(), cancelReqVO.getReason()));
// 3. 进一步的处理，交给 updateProcessInstanceCancel 方法
}
@Override
public void updateProcessInstanceWhenCancel(FlowableCancelledEvent event) {
// 1. 判断是否为 Reject 不通过。如果是，则不进行更新.
// 因为，updateProcessInstanceReject 方法（审批不通过），已经进行更新了
if (BpmDeleteReasonEnum.isRejectReason((String) event.getCause())) {
return;
}
// 2. 更新流程实例 status
runtimeService.setVariable(event.getProcessInstanceId(), BpmConstants.PROCESS_INSTANCE_VARIABLE_STATUS,
BpmProcessInstanceStatusEnum.CANCEL.getStatus());
// 3. 发送流程实例的状态事件
// 注意：此时如果去查询 ProcessInstance 的话，字段是不全的，所以去查询了 HistoricProcessInstance
HistoricProcessInstance processInstance = getHistoricProcessInstance(event.getProcessInstanceId());
// 发送流程实例的状态事件
processInstanceEventPublisher.sendProcessInstanceResultEvent(
BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceStatusEvent(this, processInstance, BpmProcessInstanceStatusEnum.CANCEL.getStatus()));
}
@Override
public void updateProcessInstanceWhenApprove(ProcessInstance instance) {
// 1. 更新流程实例 status
runtimeService.setVariable(instance.getId(), BpmConstants.PROCESS_INSTANCE_VARIABLE_STATUS,
BpmProcessInstanceStatusEnum.APPROVE.getStatus());
// 2. 发送流程被【通过】的消息
messageService.sendMessageWhenProcessInstanceApprove(BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceApproveMessage(instance));
// 3. 发送流程实例的状态事件
// 注意：此时如果去查询 ProcessInstance 的话，字段是不全的，所以去查询了 HistoricProcessInstance
HistoricProcessInstance processInstance = getHistoricProcessInstance(instance.getId());
processInstanceEventPublisher.sendProcessInstanceResultEvent(
BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceStatusEvent(this, processInstance, BpmProcessInstanceStatusEnum.APPROVE.getStatus()));
}
@Override
@Transactional(rollbackFor = Exception.class)
public void updateProcessInstanceReject(String id, String reason) {
// 1. 更新流程实例 status
runtimeService.setVariable(id, BpmConstants.PROCESS_INSTANCE_VARIABLE_STATUS, BpmProcessInstanceStatusEnum.REJECT.getStatus());
// 2. 删除流程实例，以实现驳回任务时，取消整个审批流程
ProcessInstance processInstance = getProcessInstance(id);
deleteProcessInstance(id, StrUtil.format(BpmDeleteReasonEnum.REJECT_TASK.format(reason)));
// 3. 发送流程被【不通过】的消息
messageService.sendMessageWhenProcessInstanceReject(BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceRejectMessage(processInstance, reason));
// 4. 发送流程实例的状态事件
processInstanceEventPublisher.sendProcessInstanceResultEvent(
BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceStatusEvent(this, processInstance, BpmProcessInstanceStatusEnum.REJECT.getStatus()));
}
private void deleteProcessInstance(String id, String reason) {
runtimeService.deleteProcessInstance(id, reason);
}
}
\ No newline at end of file
+package com.iailab.module.bpm.service.task;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.iailab.framework.common.pojo.PageResult;
import com.iailab.framework.common.util.date.DateUtils;
import com.iailab.framework.common.util.json.JsonUtils;
import com.iailab.framework.common.util.object.ObjectUtils;
import com.iailab.framework.common.util.object.PageUtils;
import com.iailab.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
import com.iailab.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO;
import com.iailab.module.bpm.controller.admin.task.vo.instance.*;
import com.iailab.module.bpm.controller.admin.task.vo.task.BpmTaskRespVO;
import com.iailab.module.bpm.convert.task.BpmProcessInstanceConvert;
import com.iailab.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
import com.iailab.module.bpm.enums.ErrorCodeConstants;
import com.iailab.module.bpm.enums.definition.BpmModelTypeEnum;
import com.iailab.module.bpm.enums.definition.BpmSimpleModelNodeType;
import com.iailab.module.bpm.enums.task.BpmProcessInstanceStatusEnum;
import com.iailab.module.bpm.enums.task.BpmReasonEnum;
import com.iailab.module.bpm.enums.task.BpmTaskStatusEnum;
import com.iailab.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateInvoker;
import com.iailab.module.bpm.framework.flowable.core.candidate.strategy.dept.BpmTaskCandidateStartUserSelectStrategy;
import com.iailab.module.bpm.framework.flowable.core.enums.BpmnModelConstants;
import com.iailab.module.bpm.framework.flowable.core.enums.BpmnVariableConstants;
import com.iailab.module.bpm.framework.flowable.core.event.BpmProcessInstanceEventPublisher;
import com.iailab.module.bpm.framework.flowable.core.util.BpmnModelUtils;
import com.iailab.module.bpm.framework.flowable.core.util.FlowableUtils;
import com.iailab.module.bpm.framework.flowable.core.util.SimpleModelUtils;
import com.iailab.module.bpm.service.definition.BpmProcessDefinitionService;
import com.iailab.module.bpm.service.message.BpmMessageService;
import com.iailab.module.system.api.dept.DeptApi;
import com.iailab.module.system.api.dept.dto.DeptRespDTO;
import com.iailab.module.system.api.user.AdminUserApi;
import com.iailab.module.system.api.user.dto.AdminUserRespDTO;
import lombok.extern.slf4j.Slf4j;
import org.flowable.bpmn.constants.BpmnXMLConstants;
import org.flowable.bpmn.model.*;
import org.flowable.engine.HistoryService;
import org.flowable.engine.RuntimeService;
import org.flowable.engine.history.HistoricActivityInstance;
import org.flowable.engine.history.HistoricProcessInstance;
import org.flowable.engine.history.HistoricProcessInstanceQuery;
import org.flowable.engine.repository.ProcessDefinition;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.task.api.history.HistoricTaskInstance;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import javax.validation.Valid;
import java.util.*;
import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
import static com.iailab.framework.common.util.collection.CollectionUtils.*;
import static com.iailab.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.ActivityNode;
import static com.iailab.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.ActivityNodeTask;
import static com.iailab.module.bpm.enums.ErrorCodeConstants.*;
import static com.iailab.module.bpm.framework.flowable.core.enums.BpmnModelConstants.START_USER_NODE_ID;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static org.flowable.bpmn.constants.BpmnXMLConstants.*;
/**
* 流程实例 Service 实现类
* <p>
* ProcessDefinition & ProcessInstance & Execution & Task 的关系：
* 1. <a href="https://blog.csdn.net/bobozai86/article/details/105210414" />
* <p>
* HistoricProcessInstance & ProcessInstance 的关系：
* 1. <a href=" https://my.oschina.net/843294669/blog/71902" />
* <p>
* 简单来说，前者 = 历史 + 运行中的流程实例，后者仅是运行中的流程实例
*
* @author 芋道源码
*/
@Service
@Validated
@Slf4j
public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService {
@Resource
private RuntimeService runtimeService;
@Resource
private HistoryService historyService;
@Resource
private BpmProcessDefinitionService processDefinitionService;
@Resource
@Lazy // 避免循环依赖
private BpmTaskService taskService;
@Resource
private BpmMessageService messageService;
@Resource
private AdminUserApi adminUserApi;
@Resource
private DeptApi deptApi;
@Resource
private BpmProcessInstanceEventPublisher processInstanceEventPublisher;
@Resource
private BpmTaskCandidateInvoker taskCandidateInvoker;
// ========== Query 查询相关方法 ==========
@Override
public ProcessInstance getProcessInstance(String id) {
return runtimeService.createProcessInstanceQuery()
.includeProcessVariables()
.processInstanceId(id)
.singleResult();
}
@Override
public List<ProcessInstance> getProcessInstances(Set<String> ids) {
return runtimeService.createProcessInstanceQuery().processInstanceIds(ids).list();
}
@Override
public HistoricProcessInstance getHistoricProcessInstance(String id) {
return historyService.createHistoricProcessInstanceQuery().processInstanceId(id).includeProcessVariables().singleResult();
}
@Override
public List<HistoricProcessInstance> getHistoricProcessInstances(Set<String> ids) {
return historyService.createHistoricProcessInstanceQuery().processInstanceIds(ids).list();
}
@Override
public PageResult<HistoricProcessInstance> getProcessInstancePage(Long userId,
BpmProcessInstancePageReqVO pageReqVO) {
// 通过 BpmProcessInstanceExtDO 表，先查询到对应的分页
HistoricProcessInstanceQuery processInstanceQuery = historyService.createHistoricProcessInstanceQuery()
.includeProcessVariables()
.processInstanceTenantId(FlowableUtils.getTenantId())
.orderByProcessInstanceStartTime().desc();
if (userId != null) { // 【我的流程】菜单时，需要传递该字段
processInstanceQuery.startedBy(String.valueOf(userId));
} else if (pageReqVO.getStartUserId() != null) { // 【管理流程】菜单时，才会传递该字段
processInstanceQuery.startedBy(String.valueOf(pageReqVO.getStartUserId()));
}
if (StrUtil.isNotEmpty(pageReqVO.getName())) {
processInstanceQuery.processInstanceNameLike("%" + pageReqVO.getName() + "%");
}
if (StrUtil.isNotEmpty(pageReqVO.getProcessDefinitionKey())) {
processInstanceQuery.processDefinitionKey(pageReqVO.getProcessDefinitionKey());
}
if (StrUtil.isNotEmpty(pageReqVO.getCategory())) {
processInstanceQuery.processDefinitionCategory(pageReqVO.getCategory());
}
if (pageReqVO.getStatus() != null) {
processInstanceQuery.variableValueEquals(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS, pageReqVO.getStatus());
}
if (ArrayUtil.isNotEmpty(pageReqVO.getCreateTime())) {
processInstanceQuery.startedAfter(DateUtils.of(pageReqVO.getCreateTime()[0]));
processInstanceQuery.startedBefore(DateUtils.of(pageReqVO.getCreateTime()[1]));
}
// 查询数量
long processInstanceCount = processInstanceQuery.count();
if (processInstanceCount == 0) {
return PageResult.empty(processInstanceCount);
}
// 查询列表
List<HistoricProcessInstance> processInstanceList = processInstanceQuery.listPage(PageUtils.getStart(pageReqVO), pageReqVO.getPageSize());
return new PageResult<>(processInstanceList, processInstanceCount);
}
private Map<String, String> getFormFieldsPermission(BpmnModel bpmnModel,
String activityId, String taskId) {
// 1. 获取流程活动编号。流程活动 Id 为空事，从流程任务中获取流程活动 Id
if (StrUtil.isEmpty(activityId) && StrUtil.isNotEmpty(taskId)) {
activityId = Optional.ofNullable(taskService.getHistoricTask(taskId))
.map(HistoricTaskInstance::getTaskDefinitionKey).orElse(null);
}
if (StrUtil.isEmpty(activityId)) {
return null;
}
// 2. 从 BpmnModel 中解析表单字段权限
return BpmnModelUtils.parseFormFieldsPermission(bpmnModel, activityId);
}
@Override
public BpmApprovalDetailRespVO getApprovalDetail(Long loginUserId, BpmApprovalDetailReqVO reqVO) {
// 1.1 从 reqVO 中，读取公共变量
Long startUserId = loginUserId; // 流程发起人
HistoricProcessInstance historicProcessInstance = null; // 流程实例
Integer processInstanceStatus = BpmProcessInstanceStatusEnum.NOT_START.getStatus(); // 流程状态
Map<String, Object> processVariables = reqVO.getProcessVariables(); // 流程变量
// 1.2 如果是流程已发起的场景，则使用流程实例的数据
if (reqVO.getProcessInstanceId() != null) {
historicProcessInstance = getHistoricProcessInstance(reqVO.getProcessInstanceId());
if (historicProcessInstance == null) {
throw exception(ErrorCodeConstants.PROCESS_INSTANCE_NOT_EXISTS);
}
startUserId = Long.valueOf(historicProcessInstance.getStartUserId());
processInstanceStatus = FlowableUtils.getProcessInstanceStatus(historicProcessInstance);
processVariables = historicProcessInstance.getProcessVariables();
}
// 1.3 读取其它相关数据
ProcessDefinition processDefinition = processDefinitionService.getProcessDefinition(
historicProcessInstance != null ? historicProcessInstance.getProcessDefinitionId() : reqVO.getProcessDefinitionId());
BpmProcessDefinitionInfoDO processDefinitionInfo = processDefinitionService.getProcessDefinitionInfo(processDefinition.getId());
BpmnModel bpmnModel = processDefinitionService.getProcessDefinitionBpmnModel(processDefinition.getId());
// 2.1 已结束 + 进行中的活动节点
List<ActivityNode> endActivityNodes = null; // 已结束的审批信息
List<ActivityNode> runActivityNodes = null; // 进行中的审批信息
List<HistoricActivityInstance> activities = null; // 流程实例列表
if (reqVO.getProcessInstanceId() != null) {
activities = taskService.getActivityListByProcessInstanceId(reqVO.getProcessInstanceId());
List<HistoricTaskInstance> tasks = taskService.getTaskListByProcessInstanceId(reqVO.getProcessInstanceId(), true);
endActivityNodes = getEndActivityNodeList(startUserId, bpmnModel, processDefinitionInfo,
historicProcessInstance, processInstanceStatus, activities, tasks);
runActivityNodes = getRunApproveNodeList(startUserId, bpmnModel, processDefinition, processVariables, activities, tasks);
}
// 2.2 流程已经结束，直接 return，无需预测
if (BpmProcessInstanceStatusEnum.isProcessEndStatus(processInstanceStatus)) {
return buildApprovalDetail(reqVO, bpmnModel, processDefinition, processDefinitionInfo, historicProcessInstance,
processInstanceStatus, endActivityNodes, runActivityNodes, null, null);
}
// 3.1 计算当前登录用户的待办任务
// TODO @jason：有一个极端情况，如果一个用户有 2 个 task A 和 B，A 已经通过，B 需要审核。这个时，通过 A 进来，todo 拿到 B，会不会表单权限不一致哈。
BpmTaskRespVO todoTask = taskService.getFirstTodoTask(loginUserId, reqVO.getProcessInstanceId());
// 3.2 预测未运行节点的审批信息
List<ActivityNode> simulateActivityNodes = getSimulateApproveNodeList(startUserId, bpmnModel, processDefinitionInfo,
processVariables, activities);
// 4. 拼接最终数据
return buildApprovalDetail(reqVO, bpmnModel, processDefinition, processDefinitionInfo, historicProcessInstance,
processInstanceStatus, endActivityNodes, runActivityNodes, simulateActivityNodes, todoTask);
}
/**
* 拼接审批详情的最终数据
* <p>
* 主要是，拼接审批人的用户信息、部门信息
*/
private BpmApprovalDetailRespVO buildApprovalDetail(BpmApprovalDetailReqVO reqVO,
BpmnModel bpmnModel,
ProcessDefinition processDefinition,
BpmProcessDefinitionInfoDO processDefinitionInfo,
HistoricProcessInstance processInstance,
Integer processInstanceStatus,
List<ActivityNode> endApprovalNodeInfos,
List<ActivityNode> runningApprovalNodeInfos,
List<ActivityNode> simulateApprovalNodeInfos,
BpmTaskRespVO todoTask) {
// 1. 获取所有需要读取用户信息的 userIds
List<ActivityNode> approveNodes = newArrayList(asList(endApprovalNodeInfos, runningApprovalNodeInfos, simulateApprovalNodeInfos));
Set<Long> userIds = BpmProcessInstanceConvert.INSTANCE.parseUserIds(processInstance, approveNodes, todoTask);
Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
Map<Long, DeptRespDTO> deptMap = deptApi.getDeptMap(convertSet(userMap.values(), AdminUserRespDTO::getDeptId));
// 2. 表单权限
Map<String, String> formFieldsPermission = getFormFieldsPermission(bpmnModel, reqVO.getActivityId(), reqVO.getTaskId());
// 3. 拼接数据
return BpmProcessInstanceConvert.INSTANCE.buildApprovalDetail(bpmnModel, processDefinition, processDefinitionInfo, processInstance,
processInstanceStatus, approveNodes, todoTask, formFieldsPermission, userMap, deptMap);
}
/**
* 获得【已结束】的活动节点们
*/
private List<ActivityNode> getEndActivityNodeList(Long startUserId, BpmnModel bpmnModel,
BpmProcessDefinitionInfoDO processDefinitionInfo,
HistoricProcessInstance historicProcessInstance, Integer processInstanceStatus,
List<HistoricActivityInstance> activities, List<HistoricTaskInstance> tasks) {
// 遍历 tasks 列表，只处理已结束的 UserTask
// 为什么不通过 activities 呢？因为，加签场景下，它只存在于 tasks，没有 activities，导致如果遍历 activities 的话，它无法成为一个节点
List<HistoricTaskInstance> endTasks = filterList(tasks, task -> task.getEndTime() != null);
List<ActivityNode> approvalNodes = convertList(endTasks, task -> {
FlowElement flowNode = BpmnModelUtils.getFlowElementById(bpmnModel, task.getTaskDefinitionKey());
ActivityNode activityNode = new ActivityNode().setId(task.getTaskDefinitionKey()).setName(task.getName())
.setNodeType(START_USER_NODE_ID.equals(task.getTaskDefinitionKey()) ?
BpmSimpleModelNodeType.START_USER_NODE.getType() : BpmSimpleModelNodeType.APPROVE_NODE.getType())
.setStatus(FlowableUtils.getTaskStatus(task))
.setCandidateStrategy(BpmnModelUtils.parseCandidateStrategy(flowNode))
.setStartTime(DateUtils.of(task.getCreateTime())).setEndTime(DateUtils.of(task.getEndTime()))
.setTasks(singletonList(BpmProcessInstanceConvert.INSTANCE.buildApprovalTaskInfo(task)));
// 如果是取消状态，则跳过
if (BpmTaskStatusEnum.isCancelStatus(activityNode.getStatus())) {
return null;
}
return activityNode;
});
// 遍历 activities，只处理已结束的 StartEvent、EndEvent
List<HistoricActivityInstance> endActivities = filterList(activities, activity -> activity.getEndTime() != null
&& (StrUtil.equalsAny(activity.getActivityType(), ELEMENT_EVENT_START, ELEMENT_EVENT_END)));
endActivities.forEach(activity -> {
// StartEvent：只处理 BPMN 的场景。因为，SIMPLE 情况下，已经有 START_USER_NODE 节点
if (ELEMENT_EVENT_START.equals(activity.getActivityType())
&& BpmModelTypeEnum.BPMN.getType().equals(processDefinitionInfo.getModelType())) {
ActivityNodeTask startTask = new ActivityNodeTask().setId(BpmnModelConstants.START_USER_NODE_ID)
.setAssignee(startUserId).setStatus(BpmTaskStatusEnum.APPROVE.getStatus());
ActivityNode startNode = new ActivityNode().setId(startTask.getId())
.setName(BpmSimpleModelNodeType.START_USER_NODE.getName())
.setNodeType(BpmSimpleModelNodeType.START_USER_NODE.getType())
.setStatus(startTask.getStatus()).setTasks(ListUtil.of(startTask))
.setStartTime(DateUtils.of(activity.getStartTime())).setEndTime(DateUtils.of(activity.getEndTime()));
approvalNodes.add(0, startNode);
return;
}
// EndEvent
if (ELEMENT_EVENT_END.equals(activity.getActivityType())) {
if (BpmProcessInstanceStatusEnum.isRejectStatus(processInstanceStatus)) {
// 拒绝情况下，不需要展示 EndEvent 结束节点。原因是：前端已经展示 x 效果，无需重复展示
return;
}
ActivityNode endNode = new ActivityNode().setId(activity.getId())
.setName(BpmSimpleModelNodeType.END_NODE.getName())
.setNodeType(BpmSimpleModelNodeType.END_NODE.getType()).setStatus(processInstanceStatus)
.setStartTime(DateUtils.of(activity.getStartTime())).setEndTime(DateUtils.of(activity.getEndTime()));
String reason = FlowableUtils.getProcessInstanceReason(historicProcessInstance);
if (StrUtil.isNotEmpty(reason)) {
endNode.setTasks(singletonList(new ActivityNodeTask().setId(endNode.getId())
.setStatus(endNode.getStatus()).setReason(reason)));
}
approvalNodes.add(endNode);
}
});
return approvalNodes;
}
/**
* 获得【进行中】的活动节点们
*/
private List<ActivityNode> getRunApproveNodeList(Long startUserId,
BpmnModel bpmnModel,
ProcessDefinition processDefinition,
Map<String, Object> processVariables,
List<HistoricActivityInstance> activities,
List<HistoricTaskInstance> tasks) {
// 构建运行中的任务，基于 activityId 分组
List<HistoricActivityInstance> runActivities = filterList(activities, activity -> activity.getEndTime() == null
&& (StrUtil.equalsAny(activity.getActivityType(), ELEMENT_TASK_USER)));
Map<String, List<HistoricActivityInstance>> runningTaskMap = convertMultiMap(runActivities, HistoricActivityInstance::getActivityId);
// 按照 activityId 分组，构建 ApprovalNodeInfo 节点
Map<String, HistoricTaskInstance> taskMap = convertMap(tasks, HistoricTaskInstance::getId);
return convertList(runningTaskMap.entrySet(), entry -> {
String activityId = entry.getKey();
List<HistoricActivityInstance> taskActivities = entry.getValue();
// 构建活动节点
FlowElement flowNode = BpmnModelUtils.getFlowElementById(bpmnModel, activityId);
HistoricActivityInstance firstActivity = CollUtil.getFirst(taskActivities); // 取第一个任务，会签/或签的任务，开始时间相同
ActivityNode activityNode = new ActivityNode().setId(firstActivity.getActivityId()).setName(firstActivity.getActivityName())
.setNodeType(BpmSimpleModelNodeType.APPROVE_NODE.getType()).setStatus(BpmTaskStatusEnum.RUNNING.getStatus())
.setCandidateStrategy(BpmnModelUtils.parseCandidateStrategy(flowNode))
.setStartTime(DateUtils.of(CollUtil.getFirst(taskActivities).getStartTime()))
.setTasks(new ArrayList<>());
// 处理每个任务的 tasks 属性
for (HistoricActivityInstance activity : taskActivities) {
HistoricTaskInstance task = taskMap.get(activity.getTaskId());
activityNode.getTasks().add(BpmProcessInstanceConvert.INSTANCE.buildApprovalTaskInfo(task));
// 加签子任务，需要过滤掉已经完成的加签子任务
List<HistoricTaskInstance> childrenTasks = filterList(
taskService.getAllChildrenTaskListByParentTaskId(activity.getTaskId(), tasks),
childTask -> childTask.getEndTime() == null);
if (CollUtil.isNotEmpty(childrenTasks)) {
activityNode.getTasks().addAll(convertList(childrenTasks, BpmProcessInstanceConvert.INSTANCE::buildApprovalTaskInfo));
}
}
// 处理每个任务的 candidateUsers 属性：如果是依次审批，需要预测它的后续审批人。因为 Task 是审批完一个，创建一个新的 Task
if (BpmnModelUtils.isSequentialUserTask(flowNode)) {
List<Long> candidateUserIds = getTaskCandidateUserList(bpmnModel, flowNode.getId(),
startUserId, processDefinition.getId(), processVariables);
// 截取当前审批人位置后面的候选人，不包含当前审批人
ActivityNodeTask approvalTaskInfo = CollUtil.getFirst(activityNode.getTasks());
Assert.notNull(approvalTaskInfo, "任务不能为空");
int index = CollUtil.indexOf(candidateUserIds, userId -> ObjectUtils.equalsAny(userId, approvalTaskInfo.getOwner(),
approvalTaskInfo.getAssignee())); // 委派或者向前加签情况，需要先比较 owner
activityNode.setCandidateUserIds(CollUtil.sub(candidateUserIds, index + 1, candidateUserIds.size()));
}
return activityNode;
});
}
/**
* 获得【预测（未来）】的活动节点们
*/
private List<ActivityNode> getSimulateApproveNodeList(Long startUserId, BpmnModel bpmnModel,
BpmProcessDefinitionInfoDO processDefinitionInfo,
Map<String, Object> processVariables,
List<HistoricActivityInstance> activities) {
// TODO @芋艿：【可优化】在驳回场景下，未来的预测准确性不高。原因是，驳回后，HistoricActivityInstance 包括了历史的操作，不是只有 startEvent 到当前节点的记录
Set<String> runActivityIds = convertSet(activities, HistoricActivityInstance::getActivityId);
// 情况一：BPMN 设计器
if (Objects.equals(BpmModelTypeEnum.BPMN.getType(), processDefinitionInfo.getModelType())) {
List<FlowElement> flowElements = BpmnModelUtils.simulateProcess(bpmnModel, processVariables);
return convertList(flowElements, flowElement -> buildNotRunApproveNodeForBpmn(startUserId, bpmnModel,
processDefinitionInfo, processVariables, flowElement, runActivityIds));
}
// 情况二：SIMPLE 设计器
if (Objects.equals(BpmModelTypeEnum.SIMPLE.getType(), processDefinitionInfo.getModelType())) {
BpmSimpleModelNodeVO simpleModel = JsonUtils.parseObject(processDefinitionInfo.getSimpleModel(), BpmSimpleModelNodeVO.class);
List<BpmSimpleModelNodeVO> simpleNodes = SimpleModelUtils.simulateProcess(simpleModel, processVariables);
return convertList(simpleNodes, simpleNode -> buildNotRunApproveNodeForSimple(startUserId, bpmnModel,
processDefinitionInfo, processVariables, simpleNode, runActivityIds));
}
throw new IllegalArgumentException("未知设计器类型：" + processDefinitionInfo.getModelType());
}
private ActivityNode buildNotRunApproveNodeForSimple(Long startUserId, BpmnModel bpmnModel,
BpmProcessDefinitionInfoDO processDefinitionInfo, Map<String, Object> processVariables,
BpmSimpleModelNodeVO node, Set<String> runActivityIds) {
// TODO @芋艿：【可优化】在驳回场景下，未来的预测准确性不高。原因是，驳回后，HistoricActivityInstance 包括了历史的操作，不是只有 startEvent 到当前节点的记录
if (runActivityIds.contains(node.getId())) {
return null;
}
ActivityNode activityNode = new ActivityNode().setId(node.getId()).setName(node.getName())
.setNodeType(node.getType()).setCandidateStrategy(node.getCandidateStrategy())
.setStatus(BpmTaskStatusEnum.NOT_START.getStatus());
// 1. 开始节点/审批节点
if (ObjectUtils.equalsAny(node.getType(),
BpmSimpleModelNodeType.START_USER_NODE.getType(),
BpmSimpleModelNodeType.APPROVE_NODE.getType())) {
List<Long> candidateUserIds = getTaskCandidateUserList(bpmnModel, node.getId(),
startUserId, processDefinitionInfo.getProcessDefinitionId(), processVariables);
activityNode.setCandidateUserIds(candidateUserIds);
return activityNode;
}
// 2. 结束节点
if (BpmSimpleModelNodeType.END_NODE.getType().equals(node.getType())) {
return activityNode;
}
// 3. 抄送节点
if (CollUtil.isEmpty(runActivityIds) && // 流程发起时：需要展示抄送节点，用于选择抄送人
BpmSimpleModelNodeType.COPY_NODE.getType().equals(node.getType())) {
return activityNode;
}
return null;
}
private ActivityNode buildNotRunApproveNodeForBpmn(Long startUserId, BpmnModel bpmnModel,
BpmProcessDefinitionInfoDO processDefinitionInfo, Map<String, Object> processVariables,
FlowElement node, Set<String> runActivityIds) {
if (runActivityIds.contains(node.getId())) {
return null;
}
ActivityNode activityNode = new ActivityNode().setId(node.getId()).setStatus(BpmTaskStatusEnum.NOT_START.getStatus());
// 1. 开始节点
if (node instanceof StartEvent) {
return activityNode.setName(BpmSimpleModelNodeType.START_USER_NODE.getName())
.setNodeType(BpmSimpleModelNodeType.START_USER_NODE.getType());
}
// 2. 审批节点
if (node instanceof UserTask) {
List<Long> candidateUserIds = getTaskCandidateUserList(bpmnModel, node.getId(),
startUserId, processDefinitionInfo.getProcessDefinitionId(), processVariables);
return activityNode.setName(node.getName()).setNodeType(BpmSimpleModelNodeType.APPROVE_NODE.getType())
.setCandidateStrategy(BpmnModelUtils.parseCandidateStrategy(node))
.setCandidateUserIds(candidateUserIds);
}
// 3. 结束节点
if (node instanceof EndEvent) {
return activityNode.setName(BpmSimpleModelNodeType.END_NODE.getName())
.setNodeType(BpmSimpleModelNodeType.END_NODE.getType());
}
return null;
}
private List<Long> getTaskCandidateUserList(BpmnModel bpmnModel, String activityId,
Long startUserId, String processDefinitionId, Map<String, Object> processVariables) {
Set<Long> userIds = taskCandidateInvoker.calculateUsersByActivity(bpmnModel, activityId,
startUserId, processDefinitionId, processVariables);
return new ArrayList<>(userIds);
}
@Override
public BpmProcessInstanceBpmnModelViewRespVO getProcessInstanceBpmnModelView(String id) {
// 1.1 获得流程实例
HistoricProcessInstance processInstance = getHistoricProcessInstance(id);
if (processInstance == null) {
return null;
}
// 1.2 获得流程定义
BpmnModel bpmnModel = processDefinitionService.getProcessDefinitionBpmnModel(processInstance.getProcessDefinitionId());
if (bpmnModel == null) {
return null;
}
BpmSimpleModelNodeVO simpleModel = null;
BpmProcessDefinitionInfoDO processDefinitionInfo = processDefinitionService.getProcessDefinitionInfo(
processInstance.getProcessDefinitionId());
if (processDefinitionInfo != null && BpmModelTypeEnum.SIMPLE.getType().equals(processDefinitionInfo.getModelType())) {
simpleModel = JsonUtils.parseObject(processDefinitionInfo.getSimpleModel(), BpmSimpleModelNodeVO.class);
}
// 1.3 获得流程实例对应的活动实例列表 + 任务列表
List<HistoricActivityInstance> activities = taskService.getActivityListByProcessInstanceId(id);
List<HistoricTaskInstance> tasks = taskService.getTaskListByProcessInstanceId(id, true);
// 2.1 拼接进度信息
Set<String> unfinishedTaskActivityIds = convertSet(activities, HistoricActivityInstance::getActivityId,
activityInstance -> activityInstance.getEndTime() == null);
Set<String> finishedTaskActivityIds = convertSet(activities, HistoricActivityInstance::getActivityId,
activityInstance -> activityInstance.getEndTime() != null
&& ObjectUtil.notEqual(activityInstance.getActivityType(), BpmnXMLConstants.ELEMENT_SEQUENCE_FLOW));
Set<String> finishedSequenceFlowActivityIds = convertSet(activities, HistoricActivityInstance::getActivityId,
activityInstance -> activityInstance.getEndTime() != null
&& ObjectUtil.equals(activityInstance.getActivityType(), BpmnXMLConstants.ELEMENT_SEQUENCE_FLOW));
// 特殊：会签情况下，会有部分已完成（审批）、部分未完成（待审批），此时需要 finishedTaskActivityIds 移除掉
unfinishedTaskActivityIds.removeAll(finishedTaskActivityIds);
// 特殊：如果流程实例被拒绝，则需要计算是哪个活动节点。
// 注意，只取最后一个。因为会存在多次拒绝的情况，拒绝驳回到指定节点
Set<String> rejectTaskActivityIds = CollUtil.newHashSet();
if (BpmProcessInstanceStatusEnum.isRejectStatus(FlowableUtils.getProcessInstanceStatus(processInstance))) {
tasks.stream()
.filter(task -> BpmTaskStatusEnum.isRejectStatus(FlowableUtils.getTaskStatus(task)))
.max(Comparator.comparing(HistoricTaskInstance::getEndTime))
.ifPresent(reject -> rejectTaskActivityIds.add(reject.getTaskDefinitionKey()));
finishedTaskActivityIds.removeAll(rejectTaskActivityIds);
}
// 2.2 拼接基础信息
Set<Long> userIds = BpmProcessInstanceConvert.INSTANCE.parseUserIds02(processInstance, tasks);
Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
Map<Long, DeptRespDTO> deptMap = deptApi.getDeptMap(convertSet(userMap.values(), AdminUserRespDTO::getDeptId));
return BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceBpmnModelView(processInstance, tasks, bpmnModel, simpleModel,
unfinishedTaskActivityIds, finishedTaskActivityIds, finishedSequenceFlowActivityIds, rejectTaskActivityIds,
userMap, deptMap);
}
// ========== Update 写入相关方法 ==========
@Override
@Transactional(rollbackFor = Exception.class)
public String createProcessInstance(Long userId, @Valid BpmProcessInstanceCreateReqVO createReqVO) {
// 获得流程定义
ProcessDefinition definition = processDefinitionService.getProcessDefinition(createReqVO.getProcessDefinitionId());
// 发起流程
return createProcessInstance0(userId, definition, createReqVO.getVariables(), null,
createReqVO.getStartUserSelectAssignees());
}
@Override
public String createProcessInstance(Long userId, @Valid BpmProcessInstanceCreateReqDTO createReqDTO) {
// 获得流程定义
ProcessDefinition definition = processDefinitionService.getActiveProcessDefinition(createReqDTO.getProcessDefinitionKey());
// 发起流程
return createProcessInstance0(userId, definition, createReqDTO.getVariables(), createReqDTO.getBusinessKey(),
createReqDTO.getStartUserSelectAssignees());
}
private String createProcessInstance0(Long userId, ProcessDefinition definition,
Map<String, Object> variables, String businessKey,
Map<String, List<Long>> startUserSelectAssignees) {
// 1.1 校验流程定义
if (definition == null) {
throw exception(PROCESS_DEFINITION_NOT_EXISTS);
}
if (definition.isSuspended()) {
throw exception(PROCESS_DEFINITION_IS_SUSPENDED);
}
BpmProcessDefinitionInfoDO processDefinitionInfo = processDefinitionService.getProcessDefinitionInfo(definition.getId());
if (processDefinitionInfo == null) {
throw exception(PROCESS_DEFINITION_NOT_EXISTS);
}
// 1.2 校验是否能够发起
if (!processDefinitionService.canUserStartProcessDefinition(processDefinitionInfo, userId)) {
throw exception(PROCESS_INSTANCE_START_USER_CAN_START);
}
// 1.3 校验发起人自选审批人
validateStartUserSelectAssignees(definition, startUserSelectAssignees);
// 2. 创建流程实例
if (variables == null) {
variables = new HashMap<>();
}
FlowableUtils.filterProcessInstanceFormVariable(variables); // 过滤一下，避免 ProcessInstance 系统级的变量被占用
variables.put(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_START_USER_ID, userId); // 设置流程变量，发起人 ID
variables.put(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS, // 流程实例状态：审批中
BpmProcessInstanceStatusEnum.RUNNING.getStatus());
if (CollUtil.isNotEmpty(startUserSelectAssignees)) {
variables.put(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES, startUserSelectAssignees);
}
ProcessInstance instance = runtimeService.createProcessInstanceBuilder()
.processDefinitionId(definition.getId())
.businessKey(businessKey)
.name(definition.getName().trim())
.variables(variables)
.start();
return instance.getId();
}
private void validateStartUserSelectAssignees(ProcessDefinition definition, Map<String, List<Long>> startUserSelectAssignees) {
// 1. 获得发起人自选审批人的 UserTask/ServiceTask 列表
BpmnModel bpmnModel = processDefinitionService.getProcessDefinitionBpmnModel(definition.getId());
List<Task> tasks = BpmTaskCandidateStartUserSelectStrategy.getStartUserSelectTaskList(bpmnModel);
if (CollUtil.isEmpty(tasks)) {
return;
}
// 2. 校验发起人自选审批人的审批人和抄送人是否都配置了
tasks.forEach(task -> {
List<Long> assignees = startUserSelectAssignees != null ? startUserSelectAssignees.get(task.getId()) : null;
if (CollUtil.isEmpty(assignees)) {
throw exception(PROCESS_INSTANCE_START_USER_SELECT_ASSIGNEES_NOT_CONFIG, task.getName());
}
Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(assignees);
assignees.forEach(assignee -> {
if (userMap.get(assignee) == null) {
throw exception(PROCESS_INSTANCE_START_USER_SELECT_ASSIGNEES_NOT_EXISTS, task.getName(), assignee);
}
});
});
}
@Override
public void cancelProcessInstanceByStartUser(Long userId, @Valid BpmProcessInstanceCancelReqVO cancelReqVO) {
// 1.1 校验流程实例存在
ProcessInstance instance = getProcessInstance(cancelReqVO.getId());
if (instance == null) {
throw exception(PROCESS_INSTANCE_CANCEL_FAIL_NOT_EXISTS);
}
// 1.2 只能取消自己的
if (!Objects.equals(instance.getStartUserId(), String.valueOf(userId))) {
throw exception(PROCESS_INSTANCE_CANCEL_FAIL_NOT_SELF);
}
// 2. 取消流程
updateProcessInstanceCancel(cancelReqVO.getId(),
BpmReasonEnum.CANCEL_PROCESS_INSTANCE_BY_START_USER.format(cancelReqVO.getReason()));
}
@Override
public void cancelProcessInstanceByAdmin(Long userId, BpmProcessInstanceCancelReqVO cancelReqVO) {
// 1.1 校验流程实例存在
ProcessInstance instance = getProcessInstance(cancelReqVO.getId());
if (instance == null) {
throw exception(PROCESS_INSTANCE_CANCEL_FAIL_NOT_EXISTS);
}
// 2. 取消流程
AdminUserRespDTO user = adminUserApi.getUser(userId).getCheckedData();
updateProcessInstanceCancel(cancelReqVO.getId(),
BpmReasonEnum.CANCEL_PROCESS_INSTANCE_BY_ADMIN.format(user.getNickname(), cancelReqVO.getReason()));
}
private void updateProcessInstanceCancel(String id, String reason) {
// 1. 更新流程实例 status
runtimeService.setVariable(id, BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS,
BpmProcessInstanceStatusEnum.CANCEL.getStatus());
runtimeService.setVariable(id, BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_REASON, reason);
// 2. 结束流程
taskService.moveTaskToEnd(id);
}
@Override
public void updateProcessInstanceReject(ProcessInstance processInstance, String reason) {
runtimeService.setVariable(processInstance.getProcessInstanceId(), BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS,
BpmProcessInstanceStatusEnum.REJECT.getStatus());
runtimeService.setVariable(processInstance.getProcessInstanceId(), BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_REASON,
BpmReasonEnum.REJECT_TASK.format(reason));
}
// ========== Event 事件相关方法 ==========
@Override
public void processProcessInstanceCompleted(ProcessInstance instance) {
// 注意：需要基于 instance 设置租户编号，避免 Flowable 内部异步时，丢失租户编号
FlowableUtils.execute(instance.getTenantId(), () -> {
// 1.1 获取当前状态
Integer status = (Integer) instance.getProcessVariables().get(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS);
String reason = (String) instance.getProcessVariables().get(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_REASON);
// 1.2 当流程状态还是审批状态中，说明审批通过了，则变更下它的状态
// 为什么这么处理？因为流程完成，并且完成了，说明审批通过了
if (Objects.equals(status, BpmProcessInstanceStatusEnum.RUNNING.getStatus())) {
status = BpmProcessInstanceStatusEnum.APPROVE.getStatus();
runtimeService.setVariable(instance.getId(), BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS, status);
}
// 2. 发送对应的消息通知
if (Objects.equals(status, BpmProcessInstanceStatusEnum.APPROVE.getStatus())) {
messageService.sendMessageWhenProcessInstanceApprove(BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceApproveMessage(instance));
} else if (Objects.equals(status, BpmProcessInstanceStatusEnum.REJECT.getStatus())) {
messageService.sendMessageWhenProcessInstanceReject(
BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceRejectMessage(instance, reason));
}
// 3. 发送流程实例的状态事件
processInstanceEventPublisher.sendProcessInstanceResultEvent(
BpmProcessInstanceConvert.INSTANCE.buildProcessInstanceStatusEvent(this, instance, status));
});
}
}
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