4dkankan-fusion/src/main/java/com/fdkankan/fusion/service/impl/HotIconServiceImpl.java

package com.fdkankan.fusion.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.fdkankan.fusion.common.ResultCode;
import com.fdkankan.fusion.common.ResultCode;
import com.fdkankan.fusion.exception.BusinessException;
import com.fdkankan.fusion.entity.HotIcon;
import com.fdkankan.fusion.mapper.IHotIconMapper;
import com.fdkankan.fusion.service.IHotIconService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author 
 * @since 2022-08-02
 */
@Service
public class HotIconServiceImpl extends ServiceImpl<IHotIconMapper, HotIcon> implements IHotIconService {

    @Override
    public List<HotIcon> getListByUserName(String username) {
        LambdaQueryWrapper<HotIcon> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(HotIcon::getUserName,username)
               .or().eq(HotIcon::getIsSystem,1);
        wrapper.orderByDesc(HotIcon::getIsSystem)           // 官方默认
                .orderByDesc(HotIcon::getIsNew)           // 新增
                .orderByDesc(HotIcon::getLastUse)         // 上次使用
                .orderByDesc(HotIcon::getUseNum)          // 使用次数
                .orderByDesc(HotIcon::getCreateTime);
        return this.list(wrapper);
    }

    @Override
    public HotIcon getDefaultIcon() {
        LambdaQueryWrapper<HotIcon> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(HotIcon::getIsSystem,1);
        wrapper.orderByDesc(HotIcon::getCreateTime);
        List<HotIcon> list = this.list(wrapper);
        if(list!= null && list.size() >0){
            return list.get(0);
        }
        return null;
    }

    @Override
    public void addUseNum(Integer hotIconId) {
        HotIcon hotIcon = this.getById(hotIconId);
        if(hotIcon == null){
            throw new BusinessException(ResultCode.HOT_ICON_NOT_EXIST);
        }
        hotIcon.setUseNum( hotIcon.getUseNum() + 1);
        hotIcon.setLastUse(1);

        LambdaUpdateWrapper<HotIcon> wrapper = new LambdaUpdateWrapper<>();
        wrapper.set(HotIcon::getLastUse,0);
        wrapper.eq(HotIcon::getUserName,hotIcon.getUserName());
        this.update(wrapper);

        hotIcon.setUpdateTime(null);
        this.updateById(hotIcon);

    }

    @Override
    public void cancelIsNew(String username) {
        LambdaUpdateWrapper<HotIcon> wrapper = new LambdaUpdateWrapper<>();
        wrapper.set(HotIcon::getIsNew,1)
                .eq(HotIcon::getUserName,username);
        this.update(wrapper);
    }
}