package com.ruoyi.article.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.article.domain.Article;
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import com.ruoyi.article.domain.ArticleComments;
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import com.ruoyi.article.domain.MemberLike;
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import com.ruoyi.article.dto.MemberLikeDTO;
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import com.ruoyi.article.mapper.MemberLikeMapper;
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import com.ruoyi.article.service.IArticleCommentsService;
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import com.ruoyi.article.service.IArticleService;
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import com.ruoyi.article.service.IMemberLikeService;
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import com.ruoyi.common.core.exception.ServiceException;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.List;
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/**
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* <p>
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* 用户点赞关联表 服务实现类
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* </p>
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*
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* @author mitao
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* @since 2024-05-27
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*/
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@Service
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public class MemberLikeServiceImpl extends ServiceImpl<MemberLikeMapper, MemberLike> implements
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IMemberLikeService {
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@Resource
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private IMemberLikeService memberLikeService;
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@Resource
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private IArticleService articleService;
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@Resource
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private IArticleCommentsService articleCommentsService;
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@Override
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public void saveMemberLike(MemberLikeDTO memberLikeDTO) {
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if (memberLikeDTO.getMemberId()!=null) {
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throw new ServiceException("用户ID不能为空");
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}
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if (memberLikeDTO.getState()!=null) {
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throw new ServiceException("类型不能为空");
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}
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if (memberLikeDTO.getState()==1){
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MemberLike memberLike=new MemberLike();
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memberLike.setMemberId(memberLikeDTO.getMemberId());
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memberLike.setArticleId(memberLikeDTO.getArticleId());
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memberLike.setType(memberLikeDTO.getType());
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if (memberLikeDTO.getType()==1){
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Article byId = articleService.getById(memberLikeDTO.getArticleId());
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byId.setLikeCount(byId.getLikeCount()+1);
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articleService.saveOrUpdate(byId);
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}
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if (memberLikeDTO.getType()==2){
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ArticleComments byId = articleCommentsService.getById(memberLikeDTO.getArticleId());
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byId.setLikeCount(byId.getLikeCount()+1);
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articleCommentsService.saveOrUpdate(byId);
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}
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if (memberLikeDTO.getType()==3){
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ArticleComments byId = articleCommentsService.getById(memberLikeDTO.getArticleId());
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byId.setLikeCount(byId.getLikeCount()+1);
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articleCommentsService.saveOrUpdate(byId);
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}
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memberLikeService.save(memberLike);
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}else{
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LambdaQueryWrapper< MemberLike> wrapper= Wrappers.lambdaQuery();
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wrapper.eq(MemberLike::getMemberId,memberLikeDTO.getMemberId());
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wrapper.eq(MemberLike::getArticleId,memberLikeDTO.getArticleId());
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wrapper.eq(MemberLike::getType,memberLikeDTO.getType());
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wrapper.eq( MemberLike::getDelFlag,0);
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List< MemberLike> memberLikes = memberLikeService.list(wrapper);
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for (MemberLike memberLike:memberLikes){
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memberLikeService.removeById(memberLike);
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if (memberLikeDTO.getType()==1){
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Article byId = articleService.getById(memberLikeDTO.getArticleId());
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byId.setLikeCount(byId.getLikeCount()-1);
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articleService.saveOrUpdate(byId);
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}
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if (memberLikeDTO.getType()==2){
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ArticleComments byId = articleCommentsService.getById(memberLikeDTO.getArticleId());
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byId.setLikeCount(byId.getLikeCount()-1);
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articleCommentsService.saveOrUpdate(byId);
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}
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if (memberLikeDTO.getType()==3){
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ArticleComments byId = articleCommentsService.getById(memberLikeDTO.getArticleId());
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byId.setLikeCount(byId.getLikeCount()-1);
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articleCommentsService.saveOrUpdate(byId);
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}
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}
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}
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}
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}
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