/*
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* Copyright 2017-2020 吴学文 and java110 team.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.java110.common.smo.impl;
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import com.alibaba.fastjson.JSONObject;
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import com.java110.common.dao.IWorkflowV1ServiceDao;
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import com.java110.core.base.smo.BaseServiceSMO;
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import com.java110.dto.PageDto;
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import com.java110.dto.workflow.WorkflowDto;
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import com.java110.intf.common.IWorkflowV1InnerServiceSMO;
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import com.java110.po.workflow.WorkflowPo;
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import com.java110.utils.util.BeanConvertUtil;
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import com.java110.utils.util.StringUtil;
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import org.activiti.bpmn.model.*;
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import org.activiti.engine.ProcessEngine;
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import org.activiti.engine.RepositoryService;
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import org.activiti.engine.TaskService;
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import org.activiti.engine.task.Task;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 类表述： 服务之前调用的接口实现类，不对外提供接口能力 只用于接口建调用
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* add by 吴学文 at 2021-09-18 13:35:13 mail: 928255095@qq.com
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* open source address: https://gitee.com/wuxw7/MicroCommunity
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* 官网：http://www.homecommunity.cn
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* 温馨提示：如果您对此文件进行修改 请不要删除原有作者及注释信息，请补充您的 修改的原因以及联系邮箱如下
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* // modify by 张三 at 2021-09-12 第10行在某种场景下存在某种bug 需要修复，注释10至20行 加入 20行至30行
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*/
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@RestController
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public class WorkflowV1InnerServiceSMOImpl extends BaseServiceSMO implements IWorkflowV1InnerServiceSMO {
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@Autowired
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private IWorkflowV1ServiceDao workflowV1ServiceDaoImpl;
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@Autowired
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private ProcessEngine processEngine;
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@Autowired
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private RepositoryService repositoryService;
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@Override
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public int saveWorkflow(@RequestBody WorkflowPo workflowPo) {
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int saveFlag = workflowV1ServiceDaoImpl.saveWorkflowInfo(BeanConvertUtil.beanCovertMap(workflowPo));
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return saveFlag;
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}
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@Override
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public int updateWorkflow(@RequestBody WorkflowPo workflowPo) {
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int saveFlag = workflowV1ServiceDaoImpl.updateWorkflowInfo(BeanConvertUtil.beanCovertMap(workflowPo));
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return saveFlag;
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}
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@Override
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public int deleteWorkflow(@RequestBody WorkflowPo workflowPo) {
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workflowPo.setStatusCd("1");
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int saveFlag = workflowV1ServiceDaoImpl.updateWorkflowInfo(BeanConvertUtil.beanCovertMap(workflowPo));
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return saveFlag;
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}
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@Override
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public List<WorkflowDto> queryWorkflows(@RequestBody WorkflowDto workflowDto) {
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//校验是否传了 分页信息
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int page = workflowDto.getPage();
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if (page != PageDto.DEFAULT_PAGE) {
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workflowDto.setPage((page - 1) * workflowDto.getRow());
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}
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List<WorkflowDto> workflows = BeanConvertUtil.covertBeanList(workflowV1ServiceDaoImpl.getWorkflowInfo(BeanConvertUtil.beanCovertMap(workflowDto)), WorkflowDto.class);
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return workflows;
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}
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@Override
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public int queryWorkflowsCount(@RequestBody WorkflowDto workflowDto) {
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return workflowV1ServiceDaoImpl.queryWorkflowsCount(BeanConvertUtil.beanCovertMap(workflowDto));
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}
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/**
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* @param reqJson {
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* taskId:"",
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* startUserId:""
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* }
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* @return
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*/
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@Override
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public List<JSONObject> getWorkflowNextNode(@RequestBody JSONObject reqJson) {
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List<JSONObject> tasks = new ArrayList<>();
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TaskService taskService = processEngine.getTaskService();
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Task task = taskService.createTaskQuery().taskId(reqJson.getString("taskId")).singleResult();
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if (task == null) {
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throw new IllegalArgumentException("任务已处理");
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}
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BpmnModel bpmnModel = repositoryService.getBpmnModel(task.getProcessDefinitionId());
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FlowNode flowNode = (FlowNode) bpmnModel.getFlowElement(task.getTaskDefinitionKey());
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//获取当前节点输出连线
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List<SequenceFlow> outgoingFlows = flowNode.getOutgoingFlows();
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JSONObject taskObj = null;
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taskObj = new JSONObject();
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taskObj.put("assignee", "-1"); // 默认 不需要指定下一个处理人 表示结束
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boolean isReturn = false;
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//遍历输出连线
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for (SequenceFlow outgoingFlow : outgoingFlows) {
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//获取输出节点元素
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FlowElement targetFlowElement = outgoingFlow.getTargetFlowElement();
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isReturn = false;
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//排除非用户任务接点
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if (targetFlowElement instanceof UserTask) {
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//判断输出节点的el表达式
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Map vars = new HashMap();
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vars.put("flag", "false"); // 1100
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if (isCondition(outgoingFlow.getConditionExpression(), vars)) {
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isReturn = true;
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}
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if (!isReturn) {
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String assignee = ((UserTask) targetFlowElement).getAssignee();
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if (!StringUtil.isEmpty(assignee) && assignee.indexOf("${") < 0) {
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taskObj.put("assignee", assignee); // 下一节点处理人
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}
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if ("${startUserId}".equals(assignee)) {
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taskObj.put("assignee", reqJson.getString("startUserId")); // 开始人
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}
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if ("${nextUserId}".equals(assignee)) {
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taskObj.put("assignee", "-2"); // 需要前台指定
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}
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}
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}
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//如果下一个为 结束节点
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if (targetFlowElement instanceof EndEvent) {
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//true 获取输出节点名称
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taskObj.put("assignee", "-1");
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}
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}
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tasks.add(taskObj);
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return tasks;
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}
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/**
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* el表达式判断
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*
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* @param expression
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* @param vars
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* @return
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*/
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private static boolean isCondition(String expression, Map<String, Object> vars) {
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if (expression == null || expression == "") {
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return false;
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}
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//分割表达式
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String[] exprArr = expression.split("[{}$&]");
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for (String expr : exprArr) {
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//是否包含键message
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if (expr.contains("flag")) {
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if (!vars.containsKey("flag")) {
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continue;
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}
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if (expr.contains("==")) {
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String[] primes = expr.split("==");
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String valExpr = primes[1].trim();
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if (valExpr.startsWith("'")) {
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valExpr = valExpr.substring(1);
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}
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if (valExpr.endsWith("'")) {
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valExpr = valExpr.substring(0, valExpr.length() - 1);
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}
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if (primes.length == 2 && valExpr.equals(vars.get("flag"))) {
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return true;
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}
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}
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}
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}
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return false;
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}
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}
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