content: package com.ruoyi.flowable.service.impl;
  
  import cn.hutool.core.convert.Convert;
  import cn.hutool.core.util.ObjectUtil;
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import com.baomidou.mybatisplus.core.toolkit.Wrappers;
  import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
  import com.ruoyi.common.utils.DateUtils;
  import com.ruoyi.common.utils.SecurityUtils;
  import com.ruoyi.flowable.constant.ProcessConstants;
  import com.ruoyi.flowable.api.domain.WfBusinessProcess;
  import com.ruoyi.flowable.domain.WfCopy;
  import com.ruoyi.flowable.domain.WfModelProcdef;
  import com.ruoyi.flowable.domain.bo.WfCopyBo;
  import com.ruoyi.flowable.api.domain.bo.WfTaskBo;
  import com.ruoyi.flowable.domain.vo.WfCopyVo;
  import com.ruoyi.flowable.mapper.WfCopyMapper;
  import com.ruoyi.flowable.page.PageQuery;
  import com.ruoyi.flowable.page.TableDataInfo;
  import com.ruoyi.flowable.service.IWfBusinessProcessService;
  import com.ruoyi.flowable.service.IWfCopyService;
  import com.ruoyi.flowable.service.IWfModelProcdefService;
  import com.ruoyi.flowable.utils.StringUtils;
  import lombok.RequiredArgsConstructor;
  import org.flowable.engine.HistoryService;
  import org.flowable.engine.history.HistoricProcessInstance;
  import org.flowable.variable.api.history.HistoricVariableInstance;
  import org.springframework.context.annotation.Lazy;
  import org.springframework.stereotype.Service;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  
  /**
   * 流程抄送Service业务层处理
   *
   * @author fengcheng
   * @date 2022-05-19
   */
  @RequiredArgsConstructor
  @Service
  public class WfCopyServiceImpl implements IWfCopyService {
      private final WfCopyMapper baseMapper;
      private final HistoryService historyService;
  
      @Lazy
      private final IWfModelProcdefService wfModelProcdefService;
  
      @Lazy
      private final IWfBusinessProcessService wfBusinessProcessService;
  
      /**
       * 查询流程抄送
       *
       * @param copyId 流程抄送主键
       * @return 流程抄送
       */
      @Override
      public WfCopyVo queryById(Long copyId) {
          return baseMapper.selectVoById(copyId);
      }
  
      /**
       * 查询流程抄送列表
       *
       * @param bo 流程抄送
       * @return 流程抄送
       */
      @Override
      public TableDataInfo<WfCopyVo> selectPageList(WfCopyBo bo, PageQuery pageQuery) {
          LambdaQueryWrapper<WfCopy> lqw = buildQueryWrapper(bo);
          lqw.orderByDesc(WfCopy::getCreateTime);
          Page<WfCopyVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
          List<WfCopyVo> records = result.getRecords();
          for (WfCopyVo record : records) {
              WfModelProcdef wfModelProcdef = wfModelProcdefService.selectWfModelProcdefByProcdefId(record.getDeploymentId());
              record.setFormType(wfModelProcdef.getFormType());
              record.setFormViewPath(wfModelProcdef.getFormViewPath());
  
              WfBusinessProcess wfBusinessProcess = wfBusinessProcessService.selectWfBusinessProcessByProcessId(record.getInstanceId());
  
              if (ObjectUtil.isNotNull(wfBusinessProcess)) {
                  record.setBusinessId(wfBusinessProcess.getBusinessId());
              }
  
              HistoricVariableInstance processStatusVariable = historyService.createHistoricVariableInstanceQuery().processInstanceId(record.getInstanceId()).variableName(ProcessConstants.PROCESS_STATUS_KEY).singleResult();
              String processStatus = null;
              if (ObjectUtil.isNotNull(processStatusVariable)) {
                  processStatus = Convert.toStr(processStatusVariable.getValue());
              }
              record.setProcessStatus(processStatus);
          }
          return TableDataInfo.build(result);
      }
  
      /**
       * 查询流程抄送列表
       *
       * @param bo 流程抄送
       * @return 流程抄送
       */
      @Override
      public List<WfCopyVo> selectList(WfCopyBo bo) {
          LambdaQueryWrapper<WfCopy> lqw = buildQueryWrapper(bo);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<WfCopy> buildQueryWrapper(WfCopyBo bo) {
          Map<String, Object> params = bo.getParams();
          LambdaQueryWrapper<WfCopy> lqw = Wrappers.lambdaQuery();
          lqw.eq(bo.getUserId() != null, WfCopy::getUserId, bo.getUserId());
          lqw.like(StringUtils.isNotBlank(bo.getProcessName()), WfCopy::getProcessName, bo.getProcessName());
          lqw.like(StringUtils.isNotBlank(bo.getOriginatorName()), WfCopy::getOriginatorName, bo.getOriginatorName());
          return lqw;
      }
  
      @Override
      public Boolean makeCopy(WfTaskBo taskBo) {
          if (StringUtils.isBlank(taskBo.getCopyUserIds())) {
              // 若抄送用户为空，则不需要处理，返回成功
              return true;
          }
          HistoricProcessInstance historicProcessInstance = historyService.createHistoricProcessInstanceQuery().processInstanceId(taskBo.getProcInsId()).singleResult();
          String[] ids = taskBo.getCopyUserIds().split("," );
          List<WfCopy> copyList = new ArrayList<>(ids.length);
          Long originatorId = SecurityUtils.getUserId();
          String originatorName = SecurityUtils.getLoginUser().getUser().getNickName();
          String title = historicProcessInstance.getProcessDefinitionName() + "-" + taskBo.getTaskName();
          for (String id : ids) {
              Long userId = Long.valueOf(id);
              WfCopy copy = new WfCopy();
              copy.setTitle(title);
              copy.setProcessId(historicProcessInstance.getProcessDefinitionId());
              copy.setProcessName(historicProcessInstance.getProcessDefinitionName());
              copy.setDeploymentId(historicProcessInstance.getDeploymentId());
              copy.setInstanceId(taskBo.getProcInsId());
              copy.setTaskId(taskBo.getTaskId());
              copy.setUserId(userId);
              copy.setOriginatorId(originatorId);
              copy.setOriginatorName(originatorName);
              copy.setCreateTime(DateUtils.getNowDate());
              copyList.add(copy);
          }
          return baseMapper.insertBatch(copyList);
      }
  
      /**
       * 删除抄送列表
       *
       * @param copyIds 抄送id
       * @return
       */
      @Override
      public void deleteCopy(String[] copyIds) {
          baseMapper.deleteBatchIds(Arrays.asList(copyIds));
      }
  }
  