package com.mindskip.xzs.service.impl;

import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.mindskip.xzs.domain.Tag;
import com.mindskip.xzs.domain.UserTag;
import com.mindskip.xzs.domain.vo.TagVO;
import com.mindskip.xzs.repository.TagMapper;
import com.mindskip.xzs.service.TagService;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @author gonghl
 * @description 针对表【t_tag(用户标签)】的数据库操作Service实现
 * @createDate 2024-05-06 11:19:57
 */
@Service
public class TagServiceImpl extends ServiceImpl<TagMapper, Tag> implements TagService {

    @Override
    public PageInfo<Tag> tagPage(TagVO tag) {
        return PageHelper.startPage(tag.getPageIndex(), tag.getPageSize(), "id desc").doSelectPageInfo(() ->
                new LambdaQueryChainWrapper<>(baseMapper)
                        .like(StringUtils.hasText(tag.getName()), Tag::getName, tag.getName())
                        .list()
        );
    }

    @Override
    public void saveBatchUserTag(List<UserTag> list) {
        baseMapper.saveBatchUserTag(list);
    }

    @Override
    public void removeUserTagByUserId(Integer id) {
        baseMapper.removeUserTagByUserId(id);
    }

    @Override
    public List<Integer> selectTagIdsByUserId(Integer id) {
        return baseMapper.selectTagIdsByUserId(id);
    }

    @Override
    public List<String> selectTagNamesByUserId(Integer id) {
        return baseMapper.selectTagNamesByUserId(id);
    }

    @Override
    public List<String> selectCount(Integer id) {
        return baseMapper.selectCountById(id);
    }
}