CollectionService.java

package com.tanpu.community.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.tanpu.community.dao.entity.community.CollectionEntity;
import com.tanpu.community.dao.mapper.community.CollectionMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

@Service
public class CollectionService {
    @Resource
    private CollectionMapper collectionMapper;

    public void insertCollection(CollectionEntity collectionEntity){

        collectionMapper.insert(collectionEntity);
    }

    //根据用户id获取点赞列表
    public List<CollectionEntity> getLikeListByUser(String userId){
        return collectionMapper.selectList(new LambdaQueryWrapper<CollectionEntity>().eq(CollectionEntity::getCollectionType,1));
    }

    //根据用户id获取收藏列表
    public List<CollectionEntity> getBookListByUser(String userId){
        return collectionMapper.selectList(new LambdaQueryWrapper<CollectionEntity>().eq(CollectionEntity::getCollectionType,2));
    }

}