BJ_ZTEITS-Developers / parking-cloud-yudao

Commit b6c78ad04fa042dd77da3502a4b6580f09e18002

Authored by jason
1 parent 1ae726f3

仿钉钉流程设计 - 获取表单字段权限接口修改

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Showing 7 changed files with 58 additions and 32 deletions
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/BpmProcessInstanceController.java
  View file @b6c78ad
@@ -158,11 +158,11 @@ public class BpmProcessInstanceController { @@ -158,11 +158,11 @@ public class BpmProcessInstanceController {
158 } 158 }
159 159
160 @GetMapping("/get-form-fields-permission") 160 @GetMapping("/get-form-fields-permission")
161 - @Operation(summary = "获得流程实例表单字段权限") 161 + @Operation(summary = "获得表单字段权限")
162 @PreAuthorize("@ss.hasPermission('bpm:process-instance:query')") 162 @PreAuthorize("@ss.hasPermission('bpm:process-instance:query')")
163 - public CommonResult<Map<String, String>> getProcessInstanceFormFieldsPermission(  
164 - @Valid BpmProcessInstanceFormFieldsPermissionReqVO reqVO) {  
165 - return success(processInstanceService.getProcessInstanceFormFieldsPermission(reqVO)); 163 + public CommonResult<Map<String, String>> getFormFieldsPermission(
  164 + @Valid BpmFormFieldsPermissionReqVO reqVO) {
  165 + return success(processInstanceService.getFormFieldsPermission(reqVO));
166 } 166 }
167 167
168 @GetMapping("/get-approval-detail") 168 @GetMapping("/get-approval-detail")
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/instance/BpmApprovalDetailReqVO.java
  View file @b6c78ad
1 package cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance; 1 package cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance;
2 2
  3 +import cn.hutool.core.util.StrUtil;
  4 +import com.fasterxml.jackson.annotation.JsonIgnore;
3 import io.swagger.v3.oas.annotations.media.Schema; 5 import io.swagger.v3.oas.annotations.media.Schema;
  6 +import jakarta.validation.constraints.AssertTrue;
4 import lombok.Data; 7 import lombok.Data;
5 8
6 @Schema(description = "管理后台 - 审批详情 Request VO") 9 @Schema(description = "管理后台 - 审批详情 Request VO")
@@ -12,4 +15,11 @@ public class BpmApprovalDetailReqVO { @@ -12,4 +15,11 @@ public class BpmApprovalDetailReqVO {
12 15
13 @Schema(description = "流程实例的编号", example = "1024") 16 @Schema(description = "流程实例的编号", example = "1024")
14 private String processInstanceId; 17 private String processInstanceId;
  18 +
  19 + @AssertTrue(message = "流程定义的编号和流程实例的编号不能同时为空")
  20 + @JsonIgnore
  21 + public boolean isValidProcessParam() {
  22 + return StrUtil.isNotEmpty(processDefinitionId) || StrUtil.isNotEmpty(processInstanceId);
  23 + }
  24 +
15 } 25 }
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/instance/BpmFormFieldsPermissionReqVO.java 0 → 100644
  View file @b6c78ad
  1 +package cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance;
  2 +
  3 +import cn.hutool.core.util.StrUtil;
  4 +import com.fasterxml.jackson.annotation.JsonIgnore;
  5 +import io.swagger.v3.oas.annotations.media.Schema;
  6 +import jakarta.validation.constraints.AssertTrue;
  7 +import lombok.Data;
  8 +
  9 +/**
  10 + * @author jason
  11 + */
  12 +@Schema(description = "管理后台 - 表单字段权限 Request VO")
  13 +@Data
  14 +public class BpmFormFieldsPermissionReqVO {
  15 +
  16 + @Schema(description = "流程定义的编号", example = "1024")
  17 + private String processDefinitionId;
  18 +
  19 + @Schema(description = "流程实例的编号", example = "1024")
  20 + private String processInstanceId;
  21 +
  22 + @Schema(description = "流程活动编号", example = "StartUserNode")
  23 + private String activityId; // 对应 BPMN XML 节点 Id
  24 +
  25 + @Schema(description = "流程任务编号", example = "95f2f08b-621b-11ef-bf39-00ff4722db8b")
  26 + private String taskId; // UserTask 对应的Id
  27 +
  28 + @AssertTrue(message = "流程定义的编号和流程实例的编号不能同时为空")
  29 + @JsonIgnore
  30 + public boolean isValidProcessParam() {
  31 + return StrUtil.isNotEmpty(processDefinitionId) || StrUtil.isNotEmpty(processInstanceId);
  32 + }
  33 +
  34 + @AssertTrue(message = "流程活动编号和流程任务编号编号不能同时为空")
  35 + @JsonIgnore
  36 + public boolean isValidActivityParam() {
  37 + return StrUtil.isNotEmpty(activityId) || StrUtil.isNotEmpty(taskId);
  38 + }
  39 +
  40 +}
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/instance/BpmProcessInstanceFormFieldsPermissionReqVO.java deleted
View file @1ae726f
1 -package cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance;  
2 -  
3 -import io.swagger.v3.oas.annotations.media.Schema;  
4 -import jakarta.validation.constraints.NotEmpty;  
5 -import lombok.Data;  
6 -  
7 -/**  
8 - * @author jason  
9 - */  
10 -@Schema(description = "管理后台 - 流程实例表单字段权限 Request VO")  
11 -@Data  
12 -public class BpmProcessInstanceFormFieldsPermissionReqVO {  
13 -  
14 - @Schema(description = "流程实例的编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")  
15 - @NotEmpty(message = "流程实例的编号不能为空")  
16 - private String id;  
17 -  
18 - @Schema(description = "流程活动编号", example = "StartUserNode")  
19 - private String activityId; // 对应 BPMN XML 节点 Id  
20 -  
21 - @Schema(description = "流程任务的编号", example = "95f2f08b-621b-11ef-bf39-00ff4722db8b")  
22 - private String taskId; // UserTask 对应的Id  
23 -}  
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/candidate/strategy/BpmTaskCandidateUserStrategy.java
  View file @b6c78ad
@@ -5,7 +5,6 @@ import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCand @@ -5,7 +5,6 @@ import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCand
5 import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum; 5 import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum;
6 import cn.iocoder.yudao.module.system.api.user.AdminUserApi; 6 import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
7 import jakarta.annotation.Resource; 7 import jakarta.annotation.Resource;
8 -import org.flowable.engine.delegate.DelegateExecution;  
9 import org.springframework.stereotype.Component; 8 import org.springframework.stereotype.Component;
10 9
11 import java.util.Set; 10 import java.util.Set;
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceService.java
  View file @b6c78ad
@@ -85,12 +85,12 @@ public interface BpmProcessInstanceService { @@ -85,12 +85,12 @@ public interface BpmProcessInstanceService {
85 @Valid BpmProcessInstancePageReqVO pageReqVO); 85 @Valid BpmProcessInstancePageReqVO pageReqVO);
86 86
87 /** 87 /**
88 - * 获得流程实例表单字段权限 88 + * 获得表单字段权限
89 * 89 *
90 * @param reqVO 请求消息 90 * @param reqVO 请求消息
91 * @return 表单字段权限 91 * @return 表单字段权限
92 */ 92 */
93 - Map<String, String> getProcessInstanceFormFieldsPermission(@Valid BpmProcessInstanceFormFieldsPermissionReqVO reqVO); 93 + Map<String, String> getFormFieldsPermission(@Valid BpmFormFieldsPermissionReqVO reqVO);
94 94
95 // TODO @芋艿：重点在 review 下 95 // TODO @芋艿：重点在 review 下
96 /** 96 /**
@@ -102,7 +102,7 @@ public interface BpmProcessInstanceService { @@ -102,7 +102,7 @@ public interface BpmProcessInstanceService {
102 * @param reqVO 请求信息 102 * @param reqVO 请求信息
103 * @return 流程实例的进度 103 * @return 流程实例的进度
104 */ 104 */
105 - BpmApprovalDetailRespVO getApprovalDetail(Long loginUserId, BpmApprovalDetailReqVO reqVO); 105 + BpmApprovalDetailRespVO getApprovalDetail(Long loginUserId, @Valid BpmApprovalDetailReqVO reqVO);
106 106
107 // ========== Update 写入相关方法 ========== 107 // ========== Update 写入相关方法 ==========
108 108
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
  View file @b6c78ad
1 -package cn.iocoder.yudao.module.bpm.service.task; import cn.hutool.core.collection.CollUtil; import cn.hutool.core.util.ArrayUtil; import cn.hutool.core.util.BooleanUtil; import cn.hutool.core.util.NumberUtil; import cn.hutool.core.util.StrUtil; import cn.iocoder.yudao.framework.common.pojo.PageResult; import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils; import cn.iocoder.yudao.framework.common.util.date.DateUtils; import cn.iocoder.yudao.framework.common.util.json.JsonUtils; import cn.iocoder.yudao.framework.common.util.object.BeanUtils; import cn.iocoder.yudao.framework.common.util.object.PageUtils; import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO; import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO; import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.*; import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.ApprovalTaskInfo; import cn.iocoder.yudao.module.bpm.convert.task.BpmProcessInstanceConvert; import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO; import cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants; import cn.iocoder.yudao.module.bpm.enums.definition.BpmModelTypeEnum; import cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType; import cn.iocoder.yudao.module.bpm.enums.task.BpmProcessInstanceStatusEnum; import cn.iocoder.yudao.module.bpm.enums.task.BpmReasonEnum; import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateInvoker; import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy; import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy.BpmTaskCandidateStartUserSelectStrategy; import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnVariableConstants; import cn.iocoder.yudao.module.bpm.framework.flowable.core.event.BpmProcessInstanceEventPublisher; import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils; import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.FlowableUtils; import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.SimpleModelUtils; import cn.iocoder.yudao.module.bpm.service.definition.BpmProcessDefinitionService; import cn.iocoder.yudao.module.bpm.service.message.BpmMessageService; import cn.iocoder.yudao.module.bpm.service.task.bo.AlreadyRunApproveNodeRespBO; import cn.iocoder.yudao.module.system.api.user.AdminUserApi; import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO; import jakarta.annotation.Resource; import jakarta.validation.Valid; import lombok.extern.slf4j.Slf4j; import org.flowable.bpmn.model.BpmnModel; import org.flowable.bpmn.model.UserTask; import org.flowable.common.engine.api.FlowableException; import org.flowable.common.engine.api.variable.VariableContainer; import org.flowable.engine.HistoryService; import org.flowable.engine.ManagementService; 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 java.util.*; import java.util.stream.Stream; import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception; import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*; import static cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.ApprovalNodeInfo; import static cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.User; import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.*; import static cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType.*; import static cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskApproveTypeEnum.USER; import static cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum.APPROVE; import static cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum.NOT_START; import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum.START_USER; import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.START_USER_NODE_ID; /** * 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 ManagementService managementService; @Resource private BpmActivityService activityService; @Resource private BpmProcessDefinitionService processDefinitionService; @Resource @Lazy // 避免循环依赖 private BpmTaskService taskService; @Resource private BpmMessageService messageService; @Resource private BpmTaskCandidateInvoker bpmTaskCandidateInvoker; @Resource private AdminUserApi adminUserApi; @Resource private BpmProcessInstanceEventPublisher processInstanceEventPublisher; // ========== 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.getProcessDefinitionId())) { processInstanceQuery.processDefinitionId("%" + pageReqVO.getProcessDefinitionId() + "%"); } 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); } @Override public Map<String, String> getProcessInstanceFormFieldsPermission(BpmProcessInstanceFormFieldsPermissionReqVO reqVO) { HistoricProcessInstance processInstance = getHistoricProcessInstance(reqVO.getId()); // 1.1 查询流程实例. 不存在返回 null if (processInstance == null) { return null; } // 1.2 通过流程活动编号 String activityId = reqVO.getActivityId(); if (StrUtil.isEmpty(activityId) && StrUtil.isNotEmpty(reqVO.getTaskId())) { // 流程活动 Id 为空。从流程任务中获取流程活动 Id activityId = Optional.ofNullable(taskService.getHistoricTask(reqVO.getTaskId())) .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( processDefinitionService.getProcessDefinitionBpmnModel(processInstance.getProcessDefinitionId()), activityId); } @Override public BpmApprovalDetailRespVO getApprovalDetail(Long loginUserId, BpmApprovalDetailReqVO reqVO) { // 1. 创建审批详情 BpmApprovalDetailRespVO respVO = new BpmApprovalDetailRespVO(); String processDefinitionId = reqVO.getProcessDefinitionId(); // 正在运行的流程实例 ProcessInstance runProcessInstance = null; // 已经运行的节点 Ids (BPMN XML 节点 Id) Set<String> runNodeIds = new HashSet<>(); Long startUserId = loginUserId; // 审批节点信息 List<ApprovalNodeInfo> approvalNodes = new ArrayList<>(); // 2. 流程未发起 if (reqVO.getProcessInstanceId() == null) { respVO.setStatus(BpmProcessInstanceStatusEnum.NOT_START.getStatus()); // 3. 流程已发起 } else { // 3.1 获取流程实例信息 HistoricProcessInstance processInstance = getHistoricProcessInstance(reqVO.getProcessInstanceId()); if (processInstance == null) { throw exception(ErrorCodeConstants.PROCESS_INSTANCE_NOT_EXISTS); } // 3.2 获取流程实例状态 Integer processInstanceStatus = FlowableUtils.getProcessInstanceStatus(processInstance); respVO.setStatus(processInstanceStatus); // 3.3 构建已运行节点的审批信息 List<HistoricActivityInstance> historicActivityList = activityService.getActivityListByProcessInstanceId(processInstance.getId()); AlreadyRunApproveNodeRespBO respBO = buildAlreadyRunApproveNodes(processInstance.getId(), historicActivityList); approvalNodes = respBO.getApproveNodes(); runNodeIds = respBO.getRunNodeIds(); // 3.4. 流程已经结束 if (BpmProcessInstanceStatusEnum.isProcessEndStatus(processInstanceStatus)) { respVO.setApproveNodes(approvalNodes); return respVO; } processDefinitionId = processInstance.getProcessDefinitionId(); runProcessInstance = getProcessInstance(processInstance.getId()); startUserId = Long.valueOf(runProcessInstance.getStartUserId()); } // 4. 流程未结束，预测未运行节点的审批信息。需要区分 BPMN 设计器 和 SIMPLE 设计器 BpmProcessDefinitionInfoDO processDefinitionInfo = processDefinitionService.getProcessDefinitionInfo(processDefinitionId); // 4.1 仿钉钉流程设计器 if (Objects.equals(BpmModelTypeEnum.SIMPLE.getType(), processDefinitionInfo.getModelType())) { BpmSimpleModelNodeVO simpleModel = JsonUtils.parseObject(processDefinitionInfo.getSimpleModel(), BpmSimpleModelNodeVO.class); List<ApprovalNodeInfo> notRunApproveNodes = new ArrayList<>(); traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, runProcessInstance, simpleModel, runNodeIds, notRunApproveNodes); approvalNodes.addAll(notRunApproveNodes); respVO.setApproveNodes(approvalNodes); // TODO @jason：会不会有极端的情况：对于依次审批来说，它是已经 running，但是当前节点也要计算其它审批人？ // 4.2 BPMN 流程设计器 } else if (Objects.equals(BpmModelTypeEnum.BPMN.getType(), processDefinitionInfo.getModelType())) { // TODO Bpmn 设计器，构建未运行节点的审批信息；未完全实现 } return respVO; } /** * 遍历 SIMPLE 设计器模型 构建未运行节点的审批信息 * * @param startUserId 流程发起人编号 * @param processInstance 流程实例 * @param simpleModelNode SIMPLE 设计器模型 * @param runNodeIds 已经运行节点的 Ids * @param approveNodeList 未运行节点的审批信息列表 */ private void traverseSimpleModelNodeToBuildNotRunApproveNodes(Long startUserId, ProcessInstance processInstance, BpmSimpleModelNodeVO simpleModelNode, Set<String> runNodeIds, List<ApprovalNodeInfo> approveNodeList) { if (!SimpleModelUtils.isValidNode(simpleModelNode)) { return; } buildNotRunApproveNodes(startUserId, processInstance, simpleModelNode, runNodeIds, approveNodeList); // 如果有子节点递归遍历子节点 traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, simpleModelNode.getChildNode(), runNodeIds, approveNodeList); } private void buildNotRunApproveNodes(Long startUserId, ProcessInstance processInstance, BpmSimpleModelNodeVO node, Set<String> runNodeIds, List<ApprovalNodeInfo> approveNodeList) { if (!runNodeIds.contains(node.getId())) { // 节点未运行。需要进行预测 // 1. 对需要人工审批的审批节点。进行预测 if (APPROVE_NODE.getType().equals(node.getType()) && USER.getType().equals(node.getApproveType()) || START_USER_NODE.getType().equals(node.getType())) { ApprovalNodeInfo nodeProgress = new ApprovalNodeInfo(); nodeProgress.setNodeType(node.getType()); nodeProgress.setName(node.getName()); nodeProgress.setStatus(NOT_START.getStatus()); Integer candidateStrategy = node.getCandidateStrategy(); if (START_USER_NODE.getType().equals(node.getType())) { candidateStrategy = START_USER.getStrategy(); } nodeProgress.setCandidateUserList( getNotRunTaskCandidateUserList(startUserId, processInstance, node.getId(), candidateStrategy, node.getCandidateParam())); approveNodeList.add(nodeProgress); } // 2. 对分支节点进行预测 if (BpmSimpleModelNodeType.isBranchNode(node.getType())) { // 并行分支。不用预测条件。所有分支都需要遍历 if (PARALLEL_BRANCH_NODE.getType().equals(node.getType())) { node.getConditionNodes().forEach(conditionNode -> traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, conditionNode.getChildNode() , runNodeIds, approveNodeList) ); } else if (CONDITION_BRANCH_NODE.getType().equals(node.getType())) { for (BpmSimpleModelNodeVO conditionNode : node.getConditionNodes()) { // 满足一个条件, 遍历该分支并 if ((processInstance != null && evalConditionExpress(processInstance, SimpleModelUtils.buildConditionExpression(conditionNode))) // 预测条件表达式的值 || BooleanUtil.isTrue(conditionNode.getDefaultFlow())) { // 是否默认的序列 traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, conditionNode.getChildNode(), runNodeIds, approveNodeList); break; } } } // TODO 包容分支待实现 } // 3. 结束节点 if (END_NODE.getType().equals(node.getType())) { ApprovalNodeInfo nodeProgress = new ApprovalNodeInfo(); nodeProgress.setNodeType(node.getType()); nodeProgress.setName(node.getName()); nodeProgress.setStatus(NOT_START.getStatus()); approveNodeList.add(nodeProgress); } } else { // 节点已经运行。如果是分支节点。需要检查分支节点的运行情况 if (BpmSimpleModelNodeType.isBranchNode(node.getType()) && ArrayUtil.isNotEmpty(node.getConditionNodes())) { node.getConditionNodes().forEach(conditionNode -> { // 只有运行的条件，才需要遍历 if (runNodeIds.contains(conditionNode.getId())) { traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, conditionNode.getChildNode() , runNodeIds, approveNodeList); } }); } } } /** * 从已经运行活动节点构建的审批信息列表 * * @param processInstanceId 流程实例 Id * @param historicActivityList 已经运行活动 */ private AlreadyRunApproveNodeRespBO buildAlreadyRunApproveNodes(String processInstanceId, List<HistoricActivityInstance> historicActivityList) { // 1.1 获取待处理活动：只有 "userTask" 和 "endEvent" 需要处理 List<HistoricActivityInstance> pendingActivityNodes = filterList(historicActivityList, item -> BpmSimpleModelNodeType.isRecordNode(item.getActivityType())); // 1.2 已运行节点的 activityId Set<String> runNodeIds = convertSet(historicActivityList, HistoricActivityInstance::getActivityId); // 2.1 获取已运行和运行中的任务 List<HistoricTaskInstance> taskList = taskService.getTaskListByProcessInstanceId(processInstanceId); Map<String, HistoricTaskInstance> taskMap = convertMap(taskList, HistoricTaskInstance::getId); // 2.2 获取加签的任务 Map<String, List<HistoricTaskInstance>> addSignTaskMap = convertMultiMap( filterList(taskList, task -> StrUtil.isNotEmpty(task.getParentTaskId())), HistoricTaskInstance::getParentTaskId); // 3.1 获取节点的用户信息 Set<Long> userIds = CollectionUtils.convertSetByFlatMap(pendingActivityNodes, activity -> { if (BPMN_USER_TASK_TYPE.equals(activity.getActivityType())) { HistoricTaskInstance task = taskMap.get(activity.getTaskId()); Set<Long> taskUsers = CollUtil.newHashSet(); CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(task.getAssignee(), null)); CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(task.getOwner(), null)); List<HistoricTaskInstance> addSignTasks = addSignTaskMap.get(activity.getTaskId()); if (CollUtil.isNotEmpty(addSignTasks)) { addSignTasks.forEach(item -> { CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(item.getAssignee(), null)); CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(item.getOwner(), null)); }); } return taskUsers.stream(); } else { return Stream.empty(); } }); Map<Long, AdminUserRespDTO> userMap = convertMap(adminUserApi.getUserList(userIds), AdminUserRespDTO::getId); // 3.2 转换为节点审批信息 List<ApprovalNodeInfo> nodeProgressList = CollectionUtils.convertList(pendingActivityNodes, activity -> { ApprovalNodeInfo nodeProgress = new ApprovalNodeInfo().setId(activity.getId()).setName(activity.getActivityName()) .setStartTime(DateUtils.of(activity.getStartTime())).setEndTime(DateUtils.of(activity.getEndTime())); if (BPMN_USER_TASK_TYPE.equals(activity.getActivityType())) { // 用户任务 // nodeType nodeProgress.setNodeType(START_USER_NODE_ID.equals(activity.getActivityId()) ? START_USER_NODE.getType() : APPROVE_NODE.getType()); // status HistoricTaskInstance task = taskMap.get(activity.getTaskId()); nodeProgress.setStatus(FlowableUtils.getTaskStatus(task)); // tasks ApprovalTaskInfo approveTask = convertApproveTaskInfo(task, userMap); List<ApprovalTaskInfo> approveTasks = CollUtil.newArrayList(approveTask); List<HistoricTaskInstance> addSignTasks = addSignTaskMap.get(activity.getTaskId()); if (CollUtil.isNotEmpty(addSignTasks)) { // 处理加签任务 approveTasks.addAll(CollectionUtils.convertList(addSignTasks, item -> convertApproveTaskInfo(item, userMap))); } nodeProgress.setTasks(approveTasks); } else if (END_NODE.getBpmnType().equals(activity.getActivityType())) { nodeProgress.setNodeType(APPROVE_NODE.getType()); nodeProgress.setStatus(APPROVE.getStatus()); } return nodeProgress; }); return new AlreadyRunApproveNodeRespBO().setApproveNodes(nodeProgressList).setRunNodeIds(runNodeIds); } private ApprovalTaskInfo convertApproveTaskInfo(HistoricTaskInstance task, Map<Long, AdminUserRespDTO> userMap) { if (task == null) { return null; } ApprovalTaskInfo approveTask = BeanUtils.toBean(task, ApprovalTaskInfo.class); approveTask.setStatus(FlowableUtils.getTaskStatus(task)).setReason(FlowableUtils.getTaskReason(task)); Long taskAssignee = NumberUtil.parseLong(task.getAssignee(), null); if (taskAssignee != null) { approveTask.setAssigneeUser(BeanUtils.toBean(userMap.get(taskAssignee), User.class)); } Long taskOwner = NumberUtil.parseLong(task.getOwner(), null); if (taskOwner != null) { approveTask.setOwnerUser(BeanUtils.toBean(userMap.get(taskOwner), User.class)); } return approveTask; } private List<User> getNotRunTaskCandidateUserList(Long startUserId, ProcessInstance processInstance, String activityId, Integer candidateStrategy, String candidateParam) { BpmTaskCandidateStrategy taskCandidateStrategy = bpmTaskCandidateInvoker.getCandidateStrategy(candidateStrategy); Set<Long> userIds = taskCandidateStrategy.calculateUsers(startUserId, processInstance, activityId, candidateParam); List<AdminUserRespDTO> userList = adminUserApi.getUserList(userIds); return CollectionUtils.convertList(userList, item -> BeanUtils.toBean(item, User.class)); } /** * 计算条件表达式的值 * * @param processInstance 流程实例 * @param express 条件表达式 */ private Boolean evalConditionExpress(ProcessInstance processInstance, String express) { if (express == null) { return Boolean.FALSE; } Object result = managementService.executeCommand(context -> { try { return FlowableUtils.getExpressionValue((VariableContainer) processInstance, express); } catch (FlowableException ex) { log.error("[evalConditionExpress][条件表达式({}) 解析报错", express, ex); return Boolean.FALSE; } }); return Boolean.TRUE.equals(result); } // ========== 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); } // 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(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 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. 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); 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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  2 +package cn.iocoder.yudao.module.bpm.service.task; import cn.hutool.core.collection.CollUtil; import cn.hutool.core.util.ArrayUtil; import cn.hutool.core.util.BooleanUtil; import cn.hutool.core.util.NumberUtil; import cn.hutool.core.util.StrUtil; import cn.iocoder.yudao.framework.common.pojo.PageResult; import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils; import cn.iocoder.yudao.framework.common.util.date.DateUtils; import cn.iocoder.yudao.framework.common.util.json.JsonUtils; import cn.iocoder.yudao.framework.common.util.object.BeanUtils; import cn.iocoder.yudao.framework.common.util.object.PageUtils; import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO; import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO; import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.*; import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.ApprovalTaskInfo; import cn.iocoder.yudao.module.bpm.convert.task.BpmProcessInstanceConvert; import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO; import cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants; import cn.iocoder.yudao.module.bpm.enums.definition.BpmModelTypeEnum; import cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType; import cn.iocoder.yudao.module.bpm.enums.task.BpmProcessInstanceStatusEnum; import cn.iocoder.yudao.module.bpm.enums.task.BpmReasonEnum; import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateInvoker; import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy; import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy.BpmTaskCandidateStartUserSelectStrategy; import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnVariableConstants; import cn.iocoder.yudao.module.bpm.framework.flowable.core.event.BpmProcessInstanceEventPublisher; import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils; import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.FlowableUtils; import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.SimpleModelUtils; import cn.iocoder.yudao.module.bpm.service.definition.BpmProcessDefinitionService; import cn.iocoder.yudao.module.bpm.service.message.BpmMessageService; import cn.iocoder.yudao.module.bpm.service.task.bo.AlreadyRunApproveNodeRespBO; import cn.iocoder.yudao.module.system.api.user.AdminUserApi; import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO; import jakarta.annotation.Resource; import jakarta.validation.Valid; import lombok.extern.slf4j.Slf4j; import org.flowable.bpmn.model.BpmnModel; import org.flowable.bpmn.model.UserTask; import org.flowable.common.engine.api.FlowableException; import org.flowable.common.engine.api.variable.VariableContainer; import org.flowable.engine.HistoryService; import org.flowable.engine.ManagementService; 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 java.util.*; import java.util.stream.Stream; import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception; import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*; import static cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.ApprovalNodeInfo; import static cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO.User; import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.*; import static cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType.*; import static cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskApproveTypeEnum.USER; import static cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum.APPROVE; import static cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum.NOT_START; import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum.START_USER; import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.START_USER_NODE_ID; /** * 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 ManagementService managementService; @Resource private BpmActivityService activityService; @Resource private BpmProcessDefinitionService processDefinitionService; @Resource @Lazy // 避免循环依赖 private BpmTaskService taskService; @Resource private BpmMessageService messageService; @Resource private BpmTaskCandidateInvoker bpmTaskCandidateInvoker; @Resource private AdminUserApi adminUserApi; @Resource private BpmProcessInstanceEventPublisher processInstanceEventPublisher; // ========== 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.getProcessDefinitionId())) { processInstanceQuery.processDefinitionId("%" + pageReqVO.getProcessDefinitionId() + "%"); } 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); } @Override public Map<String, String> getFormFieldsPermission(BpmFormFieldsPermissionReqVO reqVO) { // 1.1 获取流程定义 Id String processDefinitionId = reqVO.getProcessDefinitionId(); if (StrUtil.isEmpty(processDefinitionId) && StrUtil.isNotEmpty(reqVO.getProcessInstanceId())) { HistoricProcessInstance processInstance = getHistoricProcessInstance(reqVO.getProcessInstanceId()); if (processInstance == null) { throw exception(ErrorCodeConstants.PROCESS_INSTANCE_NOT_EXISTS); } processDefinitionId = processInstance.getProcessDefinitionId(); } // 1.2 获取流程活动编号 String activityId = reqVO.getActivityId(); if (StrUtil.isEmpty(activityId) && StrUtil.isNotEmpty(reqVO.getTaskId())) { // 流程活动 Id 为空。从流程任务中获取流程活动 Id activityId = Optional.ofNullable(taskService.getHistoricTask(reqVO.getTaskId())) .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( processDefinitionService.getProcessDefinitionBpmnModel(processDefinitionId), activityId); } @Override public BpmApprovalDetailRespVO getApprovalDetail(Long loginUserId, BpmApprovalDetailReqVO reqVO) { // 1. 创建审批详情 BpmApprovalDetailRespVO respVO = new BpmApprovalDetailRespVO(); String processDefinitionId = reqVO.getProcessDefinitionId(); // 正在运行的流程实例 ProcessInstance runProcessInstance = null; // 已经运行的节点 Ids (BPMN XML 节点 Id) Set<String> runNodeIds = new HashSet<>(); Long startUserId = loginUserId; // 审批节点信息 List<ApprovalNodeInfo> approvalNodes = new ArrayList<>(); // 2. 流程未发起 if (reqVO.getProcessInstanceId() == null) { respVO.setStatus(BpmProcessInstanceStatusEnum.NOT_START.getStatus()); // 3. 流程已发起 } else { // 3.1 获取流程实例信息 HistoricProcessInstance processInstance = getHistoricProcessInstance(reqVO.getProcessInstanceId()); if (processInstance == null) { throw exception(ErrorCodeConstants.PROCESS_INSTANCE_NOT_EXISTS); } // 3.2 获取流程实例状态 Integer processInstanceStatus = FlowableUtils.getProcessInstanceStatus(processInstance); respVO.setStatus(processInstanceStatus); // 3.3 构建已运行节点的审批信息 List<HistoricActivityInstance> historicActivityList = activityService.getActivityListByProcessInstanceId(processInstance.getId()); AlreadyRunApproveNodeRespBO respBO = buildAlreadyRunApproveNodes(processInstance.getId(), historicActivityList); approvalNodes = respBO.getApproveNodes(); runNodeIds = respBO.getRunNodeIds(); // 3.4. 流程已经结束 if (BpmProcessInstanceStatusEnum.isProcessEndStatus(processInstanceStatus)) { respVO.setApproveNodes(approvalNodes); return respVO; } processDefinitionId = processInstance.getProcessDefinitionId(); runProcessInstance = getProcessInstance(processInstance.getId()); startUserId = Long.valueOf(runProcessInstance.getStartUserId()); } // 4. 流程未结束，预测未运行节点的审批信息。需要区分 BPMN 设计器 和 SIMPLE 设计器 BpmProcessDefinitionInfoDO processDefinitionInfo = processDefinitionService.getProcessDefinitionInfo(processDefinitionId); // 4.1 仿钉钉流程设计器 if (Objects.equals(BpmModelTypeEnum.SIMPLE.getType(), processDefinitionInfo.getModelType())) { BpmSimpleModelNodeVO simpleModel = JsonUtils.parseObject(processDefinitionInfo.getSimpleModel(), BpmSimpleModelNodeVO.class); List<ApprovalNodeInfo> notRunApproveNodes = new ArrayList<>(); traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, runProcessInstance, simpleModel, runNodeIds, notRunApproveNodes); approvalNodes.addAll(notRunApproveNodes); respVO.setApproveNodes(approvalNodes); // TODO @jason：会不会有极端的情况：对于依次审批来说，它是已经 running，但是当前节点也要计算其它审批人？ // 4.2 BPMN 流程设计器 } else if (Objects.equals(BpmModelTypeEnum.BPMN.getType(), processDefinitionInfo.getModelType())) { // TODO Bpmn 设计器，构建未运行节点的审批信息；未完全实现 } return respVO; } /** * 遍历 SIMPLE 设计器模型 构建未运行节点的审批信息 * * @param startUserId 流程发起人编号 * @param processInstance 流程实例 * @param simpleModelNode SIMPLE 设计器模型 * @param runNodeIds 已经运行节点的 Ids * @param approveNodeList 未运行节点的审批信息列表 */ private void traverseSimpleModelNodeToBuildNotRunApproveNodes(Long startUserId, ProcessInstance processInstance, BpmSimpleModelNodeVO simpleModelNode, Set<String> runNodeIds, List<ApprovalNodeInfo> approveNodeList) { if (!SimpleModelUtils.isValidNode(simpleModelNode)) { return; } buildNotRunApproveNodes(startUserId, processInstance, simpleModelNode, runNodeIds, approveNodeList); // 如果有子节点递归遍历子节点 traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, simpleModelNode.getChildNode(), runNodeIds, approveNodeList); } private void buildNotRunApproveNodes(Long startUserId, ProcessInstance processInstance, BpmSimpleModelNodeVO node, Set<String> runNodeIds, List<ApprovalNodeInfo> approveNodeList) { if (!runNodeIds.contains(node.getId())) { // 节点未运行。需要进行预测 // 1. 对需要人工审批的审批节点。进行预测 if (APPROVE_NODE.getType().equals(node.getType()) && USER.getType().equals(node.getApproveType()) || START_USER_NODE.getType().equals(node.getType())) { ApprovalNodeInfo nodeProgress = new ApprovalNodeInfo(); nodeProgress.setNodeType(node.getType()); nodeProgress.setName(node.getName()); nodeProgress.setStatus(NOT_START.getStatus()); Integer candidateStrategy = node.getCandidateStrategy(); if (START_USER_NODE.getType().equals(node.getType())) { candidateStrategy = START_USER.getStrategy(); } nodeProgress.setCandidateUserList( getNotRunTaskCandidateUserList(startUserId, processInstance, node.getId(), candidateStrategy, node.getCandidateParam())); approveNodeList.add(nodeProgress); } // 2. 对分支节点进行预测 if (BpmSimpleModelNodeType.isBranchNode(node.getType())) { // 并行分支。不用预测条件。所有分支都需要遍历 if (PARALLEL_BRANCH_NODE.getType().equals(node.getType())) { node.getConditionNodes().forEach(conditionNode -> traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, conditionNode.getChildNode() , runNodeIds, approveNodeList) ); } else if (CONDITION_BRANCH_NODE.getType().equals(node.getType())) { for (BpmSimpleModelNodeVO conditionNode : node.getConditionNodes()) { // 满足一个条件, 遍历该分支并 if ((processInstance != null && evalConditionExpress(processInstance, SimpleModelUtils.buildConditionExpression(conditionNode))) // 预测条件表达式的值 || BooleanUtil.isTrue(conditionNode.getDefaultFlow())) { // 是否默认的序列 traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, conditionNode.getChildNode(), runNodeIds, approveNodeList); break; } } } // TODO 包容分支待实现 } // 3. 结束节点 if (END_NODE.getType().equals(node.getType())) { ApprovalNodeInfo nodeProgress = new ApprovalNodeInfo(); nodeProgress.setNodeType(node.getType()); nodeProgress.setName(node.getName()); nodeProgress.setStatus(NOT_START.getStatus()); approveNodeList.add(nodeProgress); } } else { // 节点已经运行。如果是分支节点。需要检查分支节点的运行情况 if (BpmSimpleModelNodeType.isBranchNode(node.getType()) && ArrayUtil.isNotEmpty(node.getConditionNodes())) { node.getConditionNodes().forEach(conditionNode -> { // 只有运行的条件，才需要遍历 if (runNodeIds.contains(conditionNode.getId())) { traverseSimpleModelNodeToBuildNotRunApproveNodes(startUserId, processInstance, conditionNode.getChildNode() , runNodeIds, approveNodeList); } }); } } } /** * 从已经运行活动节点构建的审批信息列表 * * @param processInstanceId 流程实例 Id * @param historicActivityList 已经运行活动 */ private AlreadyRunApproveNodeRespBO buildAlreadyRunApproveNodes(String processInstanceId, List<HistoricActivityInstance> historicActivityList) { // 1.1 获取待处理活动：只有 "userTask" 和 "endEvent" 需要处理 List<HistoricActivityInstance> pendingActivityNodes = filterList(historicActivityList, item -> BpmSimpleModelNodeType.isRecordNode(item.getActivityType())); // 1.2 已运行节点的 activityId Set<String> runNodeIds = convertSet(historicActivityList, HistoricActivityInstance::getActivityId); // 2.1 获取已运行和运行中的任务 List<HistoricTaskInstance> taskList = taskService.getTaskListByProcessInstanceId(processInstanceId); Map<String, HistoricTaskInstance> taskMap = convertMap(taskList, HistoricTaskInstance::getId); // 2.2 获取加签的任务 Map<String, List<HistoricTaskInstance>> addSignTaskMap = convertMultiMap( filterList(taskList, task -> StrUtil.isNotEmpty(task.getParentTaskId())), HistoricTaskInstance::getParentTaskId); // 3.1 获取节点的用户信息 Set<Long> userIds = CollectionUtils.convertSetByFlatMap(pendingActivityNodes, activity -> { if (BPMN_USER_TASK_TYPE.equals(activity.getActivityType())) { HistoricTaskInstance task = taskMap.get(activity.getTaskId()); Set<Long> taskUsers = CollUtil.newHashSet(); CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(task.getAssignee(), null)); CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(task.getOwner(), null)); List<HistoricTaskInstance> addSignTasks = addSignTaskMap.get(activity.getTaskId()); if (CollUtil.isNotEmpty(addSignTasks)) { addSignTasks.forEach(item -> { CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(item.getAssignee(), null)); CollUtil.addIfAbsent(taskUsers, NumberUtil.parseLong(item.getOwner(), null)); }); } return taskUsers.stream(); } else { return Stream.empty(); } }); Map<Long, AdminUserRespDTO> userMap = convertMap(adminUserApi.getUserList(userIds), AdminUserRespDTO::getId); // 3.2 转换为节点审批信息 List<ApprovalNodeInfo> nodeProgressList = CollectionUtils.convertList(pendingActivityNodes, activity -> { ApprovalNodeInfo nodeProgress = new ApprovalNodeInfo().setId(activity.getId()).setName(activity.getActivityName()) .setStartTime(DateUtils.of(activity.getStartTime())).setEndTime(DateUtils.of(activity.getEndTime())); if (BPMN_USER_TASK_TYPE.equals(activity.getActivityType())) { // 用户任务 // nodeType nodeProgress.setNodeType(START_USER_NODE_ID.equals(activity.getActivityId()) ? START_USER_NODE.getType() : APPROVE_NODE.getType()); // status HistoricTaskInstance task = taskMap.get(activity.getTaskId()); nodeProgress.setStatus(FlowableUtils.getTaskStatus(task)); // tasks ApprovalTaskInfo approveTask = convertApproveTaskInfo(task, userMap); List<ApprovalTaskInfo> approveTasks = CollUtil.newArrayList(approveTask); List<HistoricTaskInstance> addSignTasks = addSignTaskMap.get(activity.getTaskId()); if (CollUtil.isNotEmpty(addSignTasks)) { // 处理加签任务 approveTasks.addAll(CollectionUtils.convertList(addSignTasks, item -> convertApproveTaskInfo(item, userMap))); } nodeProgress.setTasks(approveTasks); } else if (END_NODE.getBpmnType().equals(activity.getActivityType())) { nodeProgress.setNodeType(APPROVE_NODE.getType()); nodeProgress.setStatus(APPROVE.getStatus()); } return nodeProgress; }); return new AlreadyRunApproveNodeRespBO().setApproveNodes(nodeProgressList).setRunNodeIds(runNodeIds); } private ApprovalTaskInfo convertApproveTaskInfo(HistoricTaskInstance task, Map<Long, AdminUserRespDTO> userMap) { if (task == null) { return null; } ApprovalTaskInfo approveTask = BeanUtils.toBean(task, ApprovalTaskInfo.class); approveTask.setStatus(FlowableUtils.getTaskStatus(task)).setReason(FlowableUtils.getTaskReason(task)); Long taskAssignee = NumberUtil.parseLong(task.getAssignee(), null); if (taskAssignee != null) { approveTask.setAssigneeUser(BeanUtils.toBean(userMap.get(taskAssignee), User.class)); } Long taskOwner = NumberUtil.parseLong(task.getOwner(), null); if (taskOwner != null) { approveTask.setOwnerUser(BeanUtils.toBean(userMap.get(taskOwner), User.class)); } return approveTask; } private List<User> getNotRunTaskCandidateUserList(Long startUserId, ProcessInstance processInstance, String activityId, Integer candidateStrategy, String candidateParam) { BpmTaskCandidateStrategy taskCandidateStrategy = bpmTaskCandidateInvoker.getCandidateStrategy(candidateStrategy); Set<Long> userIds = taskCandidateStrategy.calculateUsers(startUserId, processInstance, activityId, candidateParam); List<AdminUserRespDTO> userList = adminUserApi.getUserList(userIds); return CollectionUtils.convertList(userList, item -> BeanUtils.toBean(item, User.class)); } /** * 计算条件表达式的值 * * @param processInstance 流程实例 * @param express 条件表达式 */ private Boolean evalConditionExpress(ProcessInstance processInstance, String express) { if (express == null) { return Boolean.FALSE; } Object result = managementService.executeCommand(context -> { try { return FlowableUtils.getExpressionValue((VariableContainer) processInstance, express); } catch (FlowableException ex) { log.error("[evalConditionExpress][条件表达式({}) 解析报错", express, ex); return Boolean.FALSE; } }); return Boolean.TRUE.equals(result); } // ========== 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); } // 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(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 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. 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); 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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