content: package com.java2nb.novel.service.impl;
  
  import com.java2nb.novel.dao.UserDao;
  import com.java2nb.novel.dao.UserFeedbackDao;
  import com.java2nb.novel.domain.UserDO;
  import com.java2nb.novel.domain.UserFeedbackDO;
  import com.java2nb.novel.service.UserFeedbackService;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  import org.springframework.util.CollectionUtils;
  
  import java.util.List;
  import java.util.Map;
  import java.util.stream.Collectors;
  
  
  @Service
  public class UserFeedbackServiceImpl implements UserFeedbackService {
  
      @Autowired
      private UserFeedbackDao userFeedbackDao;
      @Autowired
      private UserDao userDao;
  
      @Override
      public UserFeedbackDO get(Long id) {
          return userFeedbackDao.get(id);
      }
  
      @Override
      public List<UserFeedbackDO> list(Map<String, Object> map) {
          List<UserFeedbackDO> list = userFeedbackDao.list(map);
          if (!CollectionUtils.isEmpty(list)) {
              List<Long> userIds = list.stream().map(UserFeedbackDO::getUserId).collect(Collectors.toList());
              Map<Long, String> userNameMap = userDao.batchGet(userIds).stream()
                  .collect(Collectors.toMap(UserDO::getId, UserDO::getUsername));
              list.forEach(v -> v.setUserName(userNameMap.get(v.getUserId())));
          }
          return list;
      }
  
      @Override
      public int count(Map<String, Object> map) {
          return userFeedbackDao.count(map);
      }
  
      @Override
      public int save(UserFeedbackDO userFeedback) {
          return userFeedbackDao.save(userFeedback);
      }
  
      @Override
      public int update(UserFeedbackDO userFeedback) {
          return userFeedbackDao.update(userFeedback);
      }
  
      @Override
      public int remove(Long id) {
          return userFeedbackDao.remove(id);
      }
  
      @Override
      public int batchRemove(Long[] ids) {
          return userFeedbackDao.batchRemove(ids);
      }
  
  }
  