k.e.book.ddh.service.CcProductFollowService Maven / Gradle / Ivy

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package k.e.book.ddh.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import k.e.book.ddh.entity.CcProductFollowDO;
import k.e.book.ddh.entity.CcProductFollowQueryDTO;
import k.e.book.ddh.mapper.CcProductFollowMapper;
import org.springframework.stereotype.Service;

/**
 * @author kk
 * @date 2023-05-21 11:04
 */
@Service
public class CcProductFollowService extends ServiceImpl {

    public IPage selectProductPage(CcProductFollowQueryDTO dto) {
        LambdaQueryWrapper qr = new LambdaQueryWrapper<>();

        if(dto.getId() != null){
            qr.eq(CcProductFollowDO::getId, dto.getId());
        }
        if(dto.getUserId() != null){
            qr.eq(CcProductFollowDO::getUserId, dto.getUserId());
        }
        if(dto.getProductId() != null){
            qr.eq(CcProductFollowDO::getProductId, dto.getProductId());
        }
        if(dto.getIsFollow() != null){
            qr.eq(CcProductFollowDO::getIsFollow, dto.getIsFollow());
        }
        if(dto.getCreatetime() != null){
            qr.eq(CcProductFollowDO::getCreatetime, dto.getCreatetime());
        }
        if(dto.getUpdatetime() != null){
            qr.eq(CcProductFollowDO::getUpdatetime, dto.getUpdatetime());
        }
        if(dto.getDeletetime() != null){
            qr.eq(CcProductFollowDO::getDeletetime, dto.getDeletetime());
        }
        if(dto.getCreatedAt() != null){
            qr.eq(CcProductFollowDO::getCreatedAt, dto.getCreatedAt());
        }
        if(dto.getUpdatedAt() != null){
            qr.eq(CcProductFollowDO::getUpdatedAt, dto.getUpdatedAt());
        }
        if(dto.getDeletedAt() != null){
            qr.eq(CcProductFollowDO::getDeletedAt, dto.getDeletedAt());
        }

        qr.orderByDesc(CcProductFollowDO::getId);
        IPage page = new Page<>();
        page.setCurrent(dto.getPage());
        page.setSize(dto.getLimit());
        return baseMapper.selectPage(page, qr);
    }
}