content: 
  package com.platform.modules.mnt.service.impl;
  
  import lombok.RequiredArgsConstructor;
  import com.platform.exception.BadRequestException;
  import com.platform.modules.mnt.domain.App;
  import com.platform.modules.mnt.repository.AppRepository;
  import com.platform.modules.mnt.service.AppService;
  import com.platform.modules.mnt.service.dto.AppDto;
  import com.platform.modules.mnt.service.dto.AppQueryCriteria;
  import com.platform.modules.mnt.service.mapstruct.AppMapper;
  import com.platform.utils.FileUtil;
  import com.platform.utils.PageUtil;
  import com.platform.utils.QueryHelp;
  import com.platform.utils.ValidationUtil;
  import org.springframework.data.domain.Page;
  import org.springframework.data.domain.Pageable;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Transactional;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  import java.util.*;
  
  /**
  * @author AllDataDC
  * @date 2023-01-27
  */
  @Service
  @RequiredArgsConstructor
  public class AppServiceImpl implements AppService {
  
      private final AppRepository appRepository;
      private final AppMapper appMapper;
  
      @Override
      public Object queryAll(AppQueryCriteria criteria, Pageable pageable){
          Page<App> page = appRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
          return PageUtil.toPage(page.map(appMapper::toDto));
      }
  
      @Override
      public List<AppDto> queryAll(AppQueryCriteria criteria){
          return appMapper.toDto(appRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
      }
  
      @Override
      public AppDto findById(Long id) {
  		App app = appRepository.findById(id).orElseGet(App::new);
          ValidationUtil.isNull(app.getId(),"App","id",id);
          return appMapper.toDto(app);
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public void create(App resources) {
          verification(resources);
          appRepository.save(resources);
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public void update(App resources) {
          verification(resources);
          App app = appRepository.findById(resources.getId()).orElseGet(App::new);
          ValidationUtil.isNull(app.getId(),"App","id",resources.getId());
          app.copy(resources);
          appRepository.save(app);
      }
  
      private void verification(App resources){
          String opt = "/opt";
          String home = "/home";
          if (!(resources.getUploadPath().startsWith(opt) || resources.getUploadPath().startsWith(home))) {
              throw new BadRequestException("文件只能上传在opt目录或者home目录 ");
          }
          if (!(resources.getDeployPath().startsWith(opt) || resources.getDeployPath().startsWith(home))) {
              throw new BadRequestException("文件只能部署在opt目录或者home目录 ");
          }
          if (!(resources.getBackupPath().startsWith(opt) || resources.getBackupPath().startsWith(home))) {
              throw new BadRequestException("文件只能备份在opt目录或者home目录 ");
          }
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public void delete(Set<Long> ids) {
          for (Long id : ids) {
              appRepository.deleteById(id);
          }
      }
  
      @Override
      public void download(List<AppDto> queryAll, HttpServletResponse response) throws IOException {
          List<Map<String, Object>> list = new ArrayList<>();
          for (AppDto appDto : queryAll) {
              Map<String,Object> map = new LinkedHashMap<>();
              map.put("应用名称", appDto.getName());
              map.put("端口", appDto.getPort());
              map.put("上传目录", appDto.getUploadPath());
              map.put("部署目录", appDto.getDeployPath());
              map.put("备份目录", appDto.getBackupPath());
              map.put("启动脚本", appDto.getStartScript());
              map.put("部署脚本", appDto.getDeployScript());
              map.put("创建日期", appDto.getCreateTime());
              list.add(map);
          }
          FileUtil.downloadExcel(list, response);
      }
  }
  