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@ -1,16 +1,28 @@
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package cn.iocoder.yudao.module.bpm.service.definition;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.map.MapUtil;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelNodeVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelSaveReqVO;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils;
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import jakarta.annotation.Resource;
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import org.flowable.bpmn.model.BpmnModel;
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import org.flowable.bpmn.model.*;
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import org.flowable.engine.repository.Model;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.List;
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import java.util.Map;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT;
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import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.MODEL_NOT_EXISTS;
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import static cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType.START_NODE;
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import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.USER_TASK_CANDIDATE_PARAM;
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import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY;
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/**
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* 仿钉钉流程设计 Service 实现类
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@ -29,16 +41,124 @@ public class BpmSimpleModelServiceImpl implements BpmSimpleModelService {
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if (model == null) {
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throw exception(MODEL_NOT_EXISTS);
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}
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byte[] bpmnBytes = bpmModelService.getModelBpmnXML(reqVO.getModelId());
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if (ArrayUtil.isEmpty(bpmnBytes)) {
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// BPMN XML 不存在。新增
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// byte[] bpmnBytes = bpmModelService.getModelBpmnXML(reqVO.getModelId());
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// if (ArrayUtil.isEmpty(bpmnBytes)) {
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// // BPMN XML 不存在。新增
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// BpmnModel bpmnModel = BpmnModelUtils.convertSimpleModelToBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody());
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// bpmModelService.saveModelBpmnXml(model.getId(), BpmnModelUtils.getBpmnXml(bpmnModel));
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// return Boolean.TRUE;
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// } else {
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// // TODO BPMN XML 已经存在。如何修改 ??
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// return Boolean.FALSE;
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// }
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// 暂时直接修改
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BpmnModel bpmnModel = BpmnModelUtils.convertSimpleModelToBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody());
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bpmModelService.saveModelBpmnXml(model.getId(), BpmnModelUtils.getBpmnXml(bpmnModel));
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return Boolean.TRUE;
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} else {
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// TODO BPMN XML 已经存在。如何修改 ??
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return Boolean.FALSE;
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}
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@Override
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public BpmSimpleModelNodeVO getSimpleModel(String modelId) {
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Model model = bpmModelService.getModel(modelId);
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if (model == null) {
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throw exception(MODEL_NOT_EXISTS);
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}
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byte[] bpmnBytes = bpmModelService.getModelBpmnXML(modelId);
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BpmnModel bpmnModel = BpmnModelUtils.getBpmnModel(bpmnBytes);
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return convertBpmnModelToSimpleModel(bpmnModel);
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}
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/**
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* Bpmn Model 转换成 仿钉钉流程设计模型数据结构(json) 待完善
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*
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* @param bpmnModel Bpmn Model
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* @return 仿钉钉流程设计模型数据结构
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*/
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private BpmSimpleModelNodeVO convertBpmnModelToSimpleModel(BpmnModel bpmnModel) {
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if (bpmnModel == null) {
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return null;
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}
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StartEvent startEvent = BpmnModelUtils.getStartEvent(bpmnModel);
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if (startEvent == null) {
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return null;
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}
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BpmSimpleModelNodeVO rootNode = new BpmSimpleModelNodeVO();
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rootNode.setType(START_NODE.getType());
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rootNode.setId(startEvent.getId());
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rootNode.setName(startEvent.getName());
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recursiveBuildSimpleModelNode(startEvent, rootNode);
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return rootNode;
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}
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private void recursiveBuildSimpleModelNode(FlowNode currentFlowNode, BpmSimpleModelNodeVO currentSimpleModeNode) {
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BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(currentSimpleModeNode.getType());
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Assert.notNull(nodeType, "节点类型不支持");
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// 校验节点是否支持转仿钉钉的流程模型
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List<SequenceFlow> outgoingFlows = validateCanConvertSimpleNode(nodeType, currentFlowNode);
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if (CollUtil.isEmpty(outgoingFlows) || outgoingFlows.get(0).getTargetFlowElement() == null) {
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return;
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}
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FlowElement targetElement = outgoingFlows.get(0).getTargetFlowElement();
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// 如果是 EndEvent 直接退出
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if (targetElement instanceof EndEvent) {
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return;
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}
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if (targetElement instanceof UserTask) {
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BpmSimpleModelNodeVO childNode = convertUserTaskToSimpleModelNode((UserTask) targetElement);
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currentSimpleModeNode.setChildNode(childNode);
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recursiveBuildSimpleModelNode((FlowNode) targetElement, childNode);
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}
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// TODO 其它节点类型待实现
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}
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private BpmSimpleModelNodeVO convertUserTaskToSimpleModelNode(UserTask userTask) {
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BpmSimpleModelNodeVO simpleModelNodeVO = new BpmSimpleModelNodeVO();
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simpleModelNodeVO.setType(BpmSimpleModelNodeType.APPROVE_USER_NODE.getType());
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simpleModelNodeVO.setName(userTask.getName());
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simpleModelNodeVO.setId(userTask.getId());
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Map<String, Object> attributes = MapUtil.newHashMap();
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// TODO 暂时是普通审批，需要加会签
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attributes.put("approveMethod", 1);
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attributes.computeIfAbsent(USER_TASK_CANDIDATE_STRATEGY, (key) -> BpmnModelUtils.parseCandidateStrategy(userTask));
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attributes.computeIfAbsent(USER_TASK_CANDIDATE_PARAM, (key) -> BpmnModelUtils.parseCandidateParam(userTask));
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simpleModelNodeVO.setAttributes(attributes);
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return simpleModelNodeVO;
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}
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private List<SequenceFlow> validateCanConvertSimpleNode(BpmSimpleModelNodeType nodeType, FlowNode currentFlowNode) {
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switch (nodeType) {
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case START_NODE:
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case APPROVE_USER_NODE: {
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List<SequenceFlow> outgoingFlows = currentFlowNode.getOutgoingFlows();
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if (CollUtil.isNotEmpty(outgoingFlows) && outgoingFlows.size() > 1) {
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throw exception(CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT);
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}
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validIsSupportFlowNode(outgoingFlows.get(0).getTargetFlowElement());
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return outgoingFlows;
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}
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default: {
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// TODO 其它节点类型待实现
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throw exception(CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT);
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}
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}
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}
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private void validIsSupportFlowNode(FlowElement targetElement) {
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if (targetElement == null) {
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return;
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}
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boolean isSupport = false;
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for (Class<? extends FlowNode> item : BpmnModelConstants.SUPPORT_CONVERT_SIMPLE_FlOW_NODES) {
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if (item.isInstance(targetElement)) {
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isSupport = true;
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break;
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}
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}
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if (!isSupport) {
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throw exception(CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT);
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}
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}
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}
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jason
2 years ago