content: package com.ruoyi.flowable.service.impl;
  
  import cn.hutool.core.convert.Convert;
  import cn.hutool.core.io.IORuntimeException;
  import cn.hutool.core.io.IoUtil;
  import cn.hutool.core.util.ObjectUtil;
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
  import com.ruoyi.flowable.constant.ProcessConstants;
  import com.ruoyi.flowable.core.domain.ProcessQuery;
  import com.ruoyi.flowable.domain.Deploy;
  import com.ruoyi.flowable.domain.WfCopy;
  import com.ruoyi.flowable.domain.WfDeployForm;
  import com.ruoyi.flowable.domain.WfIcon;
  import com.ruoyi.flowable.domain.vo.WfDeployVo;
  import com.ruoyi.common.enums.ProcessStatus;
  import com.ruoyi.flowable.mapper.WfCopyMapper;
  import com.ruoyi.flowable.mapper.WfDeployFormMapper;
  import com.ruoyi.flowable.mapper.WfDeployMapper;
  import com.ruoyi.flowable.page.PageQuery;
  import com.ruoyi.flowable.page.TableDataInfo;
  import com.ruoyi.flowable.service.*;
  import com.ruoyi.flowable.utils.ProcessUtils;
  import lombok.RequiredArgsConstructor;
  import org.flowable.common.engine.impl.db.SuspensionState;
  import org.flowable.engine.HistoryService;
  import org.flowable.engine.RepositoryService;
  import org.flowable.engine.history.HistoricProcessInstance;
  import org.flowable.engine.history.HistoricProcessInstanceQuery;
  import org.flowable.engine.repository.Deployment;
  import org.flowable.engine.repository.ProcessDefinition;
  import org.flowable.engine.repository.ProcessDefinitionQuery;
  import org.flowable.variable.api.history.HistoricVariableInstance;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Transactional;
  
  import java.io.InputStream;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.stream.Collectors;
  
  /**
   * @author fengcheng
   * @createTime 2022/6/30 9:04
   */
  @RequiredArgsConstructor
  @Service
  public class WfDeployServiceImpl implements IWfDeployService {
      private final RepositoryService repositoryService;
      private final WfDeployFormMapper deployFormMapper;
  
      private final WfCopyMapper wfCopyMapper;
  
      private final IWfIconService wfIconService;
  
      private final IWfModelService wfModelService;
  
      private final WfDeployMapper wfDeployMapper;
  
      private final IWfModelProcdefService wfModelProcdefService;
  
      private final IWfFlowMenuService wfFlowMenuService;
  
      protected final HistoryService historyService;
  
      @Override
      public TableDataInfo<WfDeployVo> queryPageList(ProcessQuery processQuery, PageQuery pageQuery) {
          // 流程定义列表数据查询
          ProcessDefinitionQuery processDefinitionQuery = repositoryService.createProcessDefinitionQuery()
                  .latestVersion()
                  .orderByProcessDefinitionKey()
                  .asc();
          // 构建搜索条件
          ProcessUtils.buildProcessSearch(processDefinitionQuery, processQuery);
          long pageTotal = processDefinitionQuery.count();
          if (pageTotal <= 0) {
              return TableDataInfo.build();
          }
          int offset = pageQuery.getPageSize() * (pageQuery.getPageNum() - 1);
          List<ProcessDefinition> definitionList = processDefinitionQuery.listPage(offset, pageQuery.getPageSize());
          List<WfDeployVo> deployVoList = new ArrayList<>(definitionList.size());
          for (ProcessDefinition processDefinition : definitionList) {
              String deploymentId = processDefinition.getDeploymentId();
              Deployment deployment = repositoryService.createDeploymentQuery().deploymentId(deploymentId).singleResult();
              WfIcon wfIcon = wfIconService.selectWfIconByDeploymentId(deploymentId);
  
              WfDeployVo vo = new WfDeployVo();
              vo.setDefinitionId(processDefinition.getId());
              vo.setIcon(wfIcon.getIcon());
              vo.setProcessKey(processDefinition.getKey());
              vo.setProcessName(processDefinition.getName());
              vo.setVersion(processDefinition.getVersion());
              vo.setCategory(processDefinition.getCategory());
              vo.setDeploymentId(processDefinition.getDeploymentId());
              vo.setSuspended(processDefinition.isSuspended());
              // 流程部署信息
              vo.setCategory(deployment.getCategory());
              vo.setDeploymentTime(deployment.getDeploymentTime());
              vo.setDeploymentTime(deployment.getDeploymentTime());
              deployVoList.add(vo);
          }
          Page<WfDeployVo> page = new Page<>();
          page.setRecords(deployVoList);
          page.setTotal(pageTotal);
          return TableDataInfo.build(page);
      }
  
      @Override
      public TableDataInfo<WfDeployVo> queryPublishList(String processKey, PageQuery pageQuery) {
          // 创建查询条件
          ProcessDefinitionQuery processDefinitionQuery = repositoryService.createProcessDefinitionQuery()
                  .processDefinitionKey(processKey)
                  .orderByProcessDefinitionVersion()
                  .desc();
          long pageTotal = processDefinitionQuery.count();
          if (pageTotal <= 0) {
              return TableDataInfo.build();
          }
          // 根据查询条件，查询所有版本
          int offset = pageQuery.getPageSize() * (pageQuery.getPageNum() - 1);
          List<ProcessDefinition> processDefinitionList = processDefinitionQuery
                  .listPage(offset, pageQuery.getPageSize());
          List<WfDeployVo> deployVoList = processDefinitionList.stream().map(item -> {
              WfDeployVo vo = new WfDeployVo();
              vo.setDefinitionId(item.getId());
              vo.setProcessKey(item.getKey());
              vo.setProcessName(item.getName());
              vo.setVersion(item.getVersion());
              vo.setCategory(item.getCategory());
              vo.setDeploymentId(item.getDeploymentId());
              vo.setSuspended(item.isSuspended());
              return vo;
          }).collect(Collectors.toList());
          Page<WfDeployVo> page = new Page<>();
          page.setRecords(deployVoList);
          page.setTotal(pageTotal);
          return TableDataInfo.build(page);
      }
  
      /**
       * 激活或挂起流程
       *
       * @param state        状态
       * @param definitionId 流程定义ID
       */
      @Override
      public void updateState(String definitionId, String state) {
          if (SuspensionState.ACTIVE.toString().equals(state)) {
              // 激活
              repositoryService.activateProcessDefinitionById(definitionId, true, null);
          } else if (SuspensionState.SUSPENDED.toString().equals(state)) {
              // 挂起
              repositoryService.suspendProcessDefinitionById(definitionId, true, null);
          }
      }
  
      @Override
      public String queryBpmnXmlById(String definitionId) {
          InputStream inputStream = repositoryService.getProcessModel(definitionId);
          try {
              return IoUtil.readUtf8(inputStream);
          } catch (IORuntimeException exception) {
              throw new RuntimeException("加载xml文件异常");
          }
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public void deleteByIds(List<String> deployIds) {
          for (String deployId : deployIds) {
              // 获取进行中的流程
              HistoricProcessInstanceQuery historicProcessInstanceQuery = historyService.createHistoricProcessInstanceQuery().deploymentId(deployId).orderByProcessInstanceStartTime().desc();
              List<HistoricProcessInstance> historicProcessInstances = historicProcessInstanceQuery.list();
              for (HistoricProcessInstance hisIns : historicProcessInstances) {
                  // 获取流程状态
                  HistoricVariableInstance processStatusVariable = historyService.createHistoricVariableInstanceQuery().processInstanceId(hisIns.getId()).variableName(ProcessConstants.PROCESS_STATUS_KEY).singleResult();
                  String processStatus = null;
                  if (ObjectUtil.isNotNull(processStatusVariable)) {
                      processStatus = Convert.toStr(processStatusVariable.getValue());
                  }
                  // 兼容旧流程
                  if (processStatus == null) {
                      processStatus = ObjectUtil.isNull(hisIns.getEndTime()) ? ProcessStatus.RUNNING.getStatus() : ProcessStatus.COMPLETED.getStatus();
                  }
  
                  // 判断流程状态等于进行中不能删除
                  if(ProcessStatus.RUNNING.getStatus().equals(processStatus)){
                      throw new RuntimeException("[["+hisIns.getProcessDefinitionName()+"]]流程正在进行中，不能删除");
                  }
              }
  
              // 删除图标
              wfIconService.deleteWfIconByDeploymentId(deployId);
  
              // 删除部署
              repositoryService.deleteDeployment(deployId, true);
  
              // 删除模型关联部署数据
              wfModelProcdefService.deleteWfModelProcdefByProcdefId(deployId);
  
              // 删除抄送数据
              deployFormMapper.delete(new LambdaQueryWrapper<WfDeployForm>().eq(WfDeployForm::getDeployId, deployId));
              wfCopyMapper.delete(new LambdaQueryWrapper<WfCopy>().eq(WfCopy::getDeploymentId, deployId));
          }
      }
  
      /**
       * 查询流程部署列表
       *
       * @param processQuery
       * @param procdefIdList
       * @return
       */
      @Override
      public List<WfDeployVo> selectWfDeployList(ProcessQuery processQuery, List<String> procdefIdList) {
          List<Deploy> list = wfDeployMapper.selectWfDeployList(processQuery, procdefIdList);
          List<WfDeployVo> wfDeployVoList = new ArrayList<>();
          for (Deploy deploy : list) {
              String deploymentId = deploy.getDeploymentId();
              Deployment deployment = repositoryService.createDeploymentQuery().deploymentId(deploymentId).singleResult();
              WfIcon wfIcon = wfIconService.selectWfIconByDeploymentId(deploymentId);
  
              WfDeployVo vo = new WfDeployVo();
  
              vo.setDefinitionId(deploy.getId());
              vo.setIcon(wfIcon.getIcon());
              vo.setProcessKey(deploy.getKey());
              vo.setProcessName(deploy.getName());
              vo.setVersion(deploy.getVersion());
              vo.setCategory(deploy.getCategory());
              vo.setDeploymentId(deploy.getDeploymentId());
              vo.setSuspended(deploy.getSuspensionState() == 1);
              // 流程部署信息
              vo.setCategory(deployment.getCategory());
              vo.setDeploymentTime(deployment.getDeploymentTime());
              vo.setDeploymentTime(deployment.getDeploymentTime());
              wfDeployVoList.add(vo);
          }
  
          return wfDeployVoList;
      }
  }
  