package org.dromara.workflow.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.io.IoUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import jakarta.servlet.http.HttpServletResponse;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.dromara.common.core.exception.ServiceException;
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import org.dromara.common.core.utils.StreamUtils;
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import org.dromara.common.core.utils.StringUtils;
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import org.dromara.common.json.utils.JsonUtils;
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import org.dromara.common.mybatis.core.page.PageQuery;
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import org.dromara.common.mybatis.core.page.TableDataInfo;
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import org.dromara.warm.flow.core.dto.DefJson;
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import org.dromara.warm.flow.core.enums.NodeType;
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import org.dromara.warm.flow.core.enums.PublishStatus;
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import org.dromara.warm.flow.core.service.DefService;
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import org.dromara.warm.flow.orm.entity.FlowDefinition;
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import org.dromara.warm.flow.orm.entity.FlowHisTask;
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import org.dromara.warm.flow.orm.entity.FlowNode;
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import org.dromara.warm.flow.orm.entity.FlowSkip;
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import org.dromara.warm.flow.orm.mapper.FlowDefinitionMapper;
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import org.dromara.warm.flow.orm.mapper.FlowHisTaskMapper;
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import org.dromara.warm.flow.orm.mapper.FlowNodeMapper;
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import org.dromara.warm.flow.orm.mapper.FlowSkipMapper;
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import org.dromara.workflow.common.ConditionalOnEnable;
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import org.dromara.workflow.common.constant.FlowConstant;
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import org.dromara.workflow.domain.FlowCategory;
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import org.dromara.workflow.domain.vo.FlowDefinitionVo;
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import org.dromara.workflow.mapper.FlwCategoryMapper;
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import org.dromara.workflow.service.IFlwDefinitionService;
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import org.dromara.workflow.utils.WorkflowUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import static org.dromara.common.core.constant.TenantConstants.DEFAULT_TENANT_ID;
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/**
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* 流程定义 服务层实现
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*
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* @author may
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*/
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@ConditionalOnEnable
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@Slf4j
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@RequiredArgsConstructor
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@Service
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public class FlwDefinitionServiceImpl implements IFlwDefinitionService {
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private final DefService defService;
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private final FlowDefinitionMapper flowDefinitionMapper;
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private final FlowHisTaskMapper flowHisTaskMapper;
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private final FlowNodeMapper flowNodeMapper;
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private final FlowSkipMapper flowSkipMapper;
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private final FlwCategoryMapper flwCategoryMapper;
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/**
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* 查询流程定义列表
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*
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* @param flowDefinition 流程定义信息
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* @param pageQuery 分页
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* @return 返回分页列表
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*/
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@Override
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public TableDataInfo<FlowDefinitionVo> queryList(FlowDefinition flowDefinition, PageQuery pageQuery) {
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LambdaQueryWrapper<FlowDefinition> wrapper = buildQueryWrapper(flowDefinition);
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wrapper.eq(FlowDefinition::getIsPublish, PublishStatus.PUBLISHED.getKey());
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Page<FlowDefinition> page = flowDefinitionMapper.selectPage(pageQuery.build(), wrapper);
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TableDataInfo<FlowDefinitionVo> build = TableDataInfo.build();
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build.setRows(BeanUtil.copyToList(page.getRecords(), FlowDefinitionVo.class));
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build.setTotal(page.getTotal());
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return build;
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}
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/**
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* 查询未发布的流程定义列表
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*
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* @param flowDefinition 流程定义信息
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* @param pageQuery 分页
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* @return 返回分页列表
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*/
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@Override
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public TableDataInfo<FlowDefinitionVo> unPublishList(FlowDefinition flowDefinition, PageQuery pageQuery) {
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LambdaQueryWrapper<FlowDefinition> wrapper = buildQueryWrapper(flowDefinition);
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wrapper.in(FlowDefinition::getIsPublish, Arrays.asList(PublishStatus.UNPUBLISHED.getKey(), PublishStatus.EXPIRED.getKey()));
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Page<FlowDefinition> page = flowDefinitionMapper.selectPage(pageQuery.build(), wrapper);
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TableDataInfo<FlowDefinitionVo> build = TableDataInfo.build();
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build.setRows(BeanUtil.copyToList(page.getRecords(), FlowDefinitionVo.class));
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build.setTotal(page.getTotal());
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return build;
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}
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private LambdaQueryWrapper<FlowDefinition> buildQueryWrapper(FlowDefinition flowDefinition) {
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LambdaQueryWrapper<FlowDefinition> wrapper = Wrappers.lambdaQuery();
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wrapper.like(StringUtils.isNotBlank(flowDefinition.getFlowCode()), FlowDefinition::getFlowCode, flowDefinition.getFlowCode());
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wrapper.like(StringUtils.isNotBlank(flowDefinition.getFlowName()), FlowDefinition::getFlowName, flowDefinition.getFlowName());
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if (StringUtils.isNotBlank(flowDefinition.getCategory())) {
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List<Long> categoryIds = flwCategoryMapper.selectCategoryIdsByParentId(Convert.toLong(flowDefinition.getCategory()));
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wrapper.in(FlowDefinition::getCategory, categoryIds);
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}
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wrapper.orderByDesc(FlowDefinition::getCreateTime);
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return wrapper;
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}
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/**
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* 发布流程定义
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*
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* @param id 流程定义id
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean publish(Long id) {
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List<FlowNode> flowNodes = flowNodeMapper.selectList(new LambdaQueryWrapper<FlowNode>().eq(FlowNode::getDefinitionId, id));
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List<String> errorMsg = new ArrayList<>();
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if (CollUtil.isNotEmpty(flowNodes)) {
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for (FlowNode flowNode : flowNodes) {
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String applyNodeCode = WorkflowUtils.applyNodeCode(id);
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if (StringUtils.isBlank(flowNode.getPermissionFlag()) && !applyNodeCode.equals(flowNode.getNodeCode()) && NodeType.BETWEEN.getKey().equals(flowNode.getNodeType())) {
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errorMsg.add(flowNode.getNodeName());
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}
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}
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if (CollUtil.isNotEmpty(errorMsg)) {
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throw new ServiceException("节点【" + StringUtils.join(errorMsg, ",") + "】未配置办理人!");
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}
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}
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return defService.publish(id);
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}
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/**
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* 导入流程定义
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*
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* @param file 文件
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean importJson(MultipartFile file, String category) {
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try {
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DefJson defJson = JsonUtils.parseObject(file.getBytes(), DefJson.class);
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defJson.setCategory(category);
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defService.importDef(defJson);
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} catch (IOException e) {
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log.error("读取文件流错误: {}", e.getMessage(), e);
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throw new IllegalStateException("文件读取失败，请检查文件内容", e);
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}
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return true;
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}
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/**
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* 导出流程定义
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*
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* @param id 流程定义id
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* @param response 响应
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* @throws IOException 异常
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*/
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@Override
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public void exportDef(Long id, HttpServletResponse response) throws IOException {
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byte[] data = defService.exportJson(id).getBytes(StandardCharsets.UTF_8);
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// 设置响应头和内容类型
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response.reset();
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response.setCharacterEncoding(StandardCharsets.UTF_8.name());
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response.setContentType("application/text");
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response.setHeader("Content-Disposition", "attachment;");
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response.addHeader("Content-Length", "" + data.length);
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IoUtil.write(response.getOutputStream(), false, data);
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}
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/**
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* 删除流程定义
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*
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* @param ids 流程定义id
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean removeDef(List<Long> ids) {
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LambdaQueryWrapper<FlowHisTask> wrapper = Wrappers.lambdaQuery();
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wrapper.in(FlowHisTask::getDefinitionId, ids);
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List<FlowHisTask> flowHisTasks = flowHisTaskMapper.selectList(wrapper);
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if (CollUtil.isNotEmpty(flowHisTasks)) {
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List<FlowDefinition> flowDefinitions = flowDefinitionMapper.selectByIds(StreamUtils.toList(flowHisTasks, FlowHisTask::getDefinitionId));
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if (CollUtil.isNotEmpty(flowDefinitions)) {
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String join = StreamUtils.join(flowDefinitions, FlowDefinition::getFlowCode);
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log.error("流程定义【{}】已被使用不可被删除！", join);
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throw new ServiceException("流程定义【" + join + "】已被使用不可被删除！");
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}
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}
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try {
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defService.removeDef(ids);
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} catch (Exception e) {
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log.error("Error removing flow definitions: {}", e.getMessage(), e);
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throw new RuntimeException("Failed to remove flow definitions", e);
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}
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return true;
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}
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/**
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* 新增租户流程定义
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*
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* @param tenantId 租户id
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void syncDef(String tenantId) {
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List<FlowDefinition> flowDefinitions = flowDefinitionMapper.selectList(new LambdaQueryWrapper<FlowDefinition>().eq(FlowDefinition::getTenantId, DEFAULT_TENANT_ID));
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if (CollUtil.isEmpty(flowDefinitions)) {
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return;
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}
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FlowCategory flowCategory = flwCategoryMapper.selectOne(new LambdaQueryWrapper<FlowCategory>()
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.eq(FlowCategory::getTenantId, DEFAULT_TENANT_ID).eq(FlowCategory::getCategoryId, FlowConstant.FLOW_CATEGORY_ID));
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flowCategory.setCategoryId(null);
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flowCategory.setTenantId(tenantId);
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flwCategoryMapper.insert(flowCategory);
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List<Long> defIds = StreamUtils.toList(flowDefinitions, FlowDefinition::getId);
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List<FlowNode> flowNodes = flowNodeMapper.selectList(new LambdaQueryWrapper<FlowNode>().in(FlowNode::getDefinitionId, defIds));
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List<FlowSkip> flowSkips = flowSkipMapper.selectList(new LambdaQueryWrapper<FlowSkip>().in(FlowSkip::getDefinitionId, defIds));
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for (FlowDefinition definition : flowDefinitions) {
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FlowDefinition flowDefinition = BeanUtil.toBean(definition, FlowDefinition.class);
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flowDefinition.setId(null);
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flowDefinition.setTenantId(tenantId);
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flowDefinition.setIsPublish(0);
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flowDefinition.setCategory(String.valueOf(flowCategory.getCategoryId()));
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int insert = flowDefinitionMapper.insert(flowDefinition);
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if (insert <= 0) {
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log.info("同步流程定义【{}】失败！", definition.getFlowCode());
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continue;
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}
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log.info("同步流程定义【{}】成功！", definition.getFlowCode());
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Long definitionId = flowDefinition.getId();
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if (CollUtil.isNotEmpty(flowNodes)) {
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List<FlowNode> nodes = StreamUtils.filter(flowNodes, node -> node.getDefinitionId().equals(definition.getId()));
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if (CollUtil.isNotEmpty(nodes)) {
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List<FlowNode> flowNodeList = BeanUtil.copyToList(nodes, FlowNode.class);
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flowNodeList.forEach(e -> {
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e.setId(null);
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e.setDefinitionId(definitionId);
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e.setTenantId(tenantId);
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e.setPermissionFlag(null);
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});
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flowNodeMapper.insertOrUpdate(flowNodeList);
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}
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}
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if (CollUtil.isNotEmpty(flowSkips)) {
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List<FlowSkip> skips = StreamUtils.filter(flowSkips, skip -> skip.getDefinitionId().equals(definition.getId()));
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if (CollUtil.isNotEmpty(skips)) {
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List<FlowSkip> flowSkipList = BeanUtil.copyToList(skips, FlowSkip.class);
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flowSkipList.forEach(e -> {
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e.setId(null);
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e.setDefinitionId(definitionId);
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e.setTenantId(tenantId);
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});
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flowSkipMapper.insertOrUpdate(flowSkipList);
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}
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}
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}
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}
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}
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