lineage/ruoyi-system/src/main/java/com/ruoyi/app/service/impl/TbMyPublishServiceImpl.java

package com.ruoyi.app.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.app.domain.TbAppUser;
import com.ruoyi.app.domain.TbMyPublish;
import com.ruoyi.app.domain.TbPublishComment;
import com.ruoyi.app.domain.TbPublishThumbs;
import com.ruoyi.app.service.ITbAppUserService;
import com.ruoyi.app.service.ITbPublishCommentService;
import com.ruoyi.app.service.ITbPublishThumbsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.app.mapper.TbMyPublishMapper;
import com.ruoyi.app.service.ITbMyPublishService;

import java.util.ArrayList;
import java.util.List;

/**
 * 我的近况（发表）
 *
 * @author Administrator
 * @date 2020-10-02
 */
@Service
public class TbMyPublishServiceImpl extends ServiceImpl<TbMyPublishMapper, TbMyPublish> implements ITbMyPublishService {

    @Autowired
    private ITbPublishThumbsService thumbsService;
    @Autowired
    private ITbPublishCommentService commentService;
    @Autowired
    private ITbAppUserService userService;

    /**
     * 获取点赞数
     * @param publishId 近况id
     * @return
     */
    @Async
    @Override
    public int getThumbs(Long publishId) {
        int count = thumbsService.count(new LambdaQueryWrapper<TbPublishThumbs>()
            .eq(TbPublishThumbs::getPublishId, publishId)
        );
        return count;
    }
    /**
     * 获取评论数
     * @param publishId 近况id
     * @return
     */
    @Async
    @Override
    public int getComments(Long publishId) {
        int count = commentService.count(new LambdaQueryWrapper<TbPublishComment>()
            .eq(TbPublishComment::getPublishId, publishId)
        );
        return count;
    }

    /**
     * 获取评论
     * @param publishId
     * @return
     */
    @Override
    public List<TbPublishComment> listComment(Long publishId){
        List<TbPublishComment> comments = commentService.list(new LambdaQueryWrapper<TbPublishComment>()
            .eq(TbPublishComment::getPublishId, publishId)
        );
        if (comments.size() > 0) {
            List<Long> ids = new ArrayList<>();
            comments.forEach(item -> {
                ids.add(item.getAppUserId());
            });
            List<TbAppUser> userList = userService.list(new LambdaQueryWrapper<TbAppUser>()
                .in(TbAppUser::getId,ids)
            );
            if (userList.size() > 0) {
                comments.forEach(item -> {
                    userList.forEach(user -> {
                        if (item.getAppUserId() == user.getId()) {
                            item.setAppUserUrl(user.getAvatar());
                            item.setAppUser(user.getNickName());
                        }
                    });
                });
            }
        }
        return comments;
    }

    /**
     * 删除一条评论
     * @param id
     * @return
     */
    @Override
    public boolean delComment(Long id) {
        return commentService.removeById(id);
    }
}