content: package ai.llmchat.server.service.impl;
  
  import ai.llmchat.server.repository.entity.OauthUserPost;
  import ai.llmchat.server.repository.mapper.OauthUserPostMapper;
  import ai.llmchat.server.service.OauthUserPostService;
  import com.baomidou.mybatisplus.core.toolkit.Wrappers;
  import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
  import org.springframework.stereotype.Service;
  import org.springframework.util.CollectionUtils;
  
  import java.util.List;
  
  /**
   * <p>
   * 用户岗位关联表 服务实现类
   * </p>
   *
   * @author lixw
   * @since 2024-10-23
   */
  @Service
  public class OauthUserPostServiceImpl extends ServiceImpl<OauthUserPostMapper, OauthUserPost>
  		implements OauthUserPostService {
  
  	@Override
  	public void batchSave(Long userId, List<Long> ids) {
  		remove(Wrappers.<OauthUserPost>lambdaQuery().eq(OauthUserPost::getUserId, userId));
  		if (CollectionUtils.isEmpty(ids)) {
  			return;
  		}
  		List<OauthUserPost> list = ids.stream().map(item -> {
  			OauthUserPost result = new OauthUserPost();
  			result.setPostId(item);
  			result.setUserId(userId);
  			return result;
  		}).toList();
  		saveBatch(list);
  	}
  
  }
  