package cn.iocoder.yudao.module.promotion.service.banner;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerCreateReqVO;
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import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerPageReqVO;
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import cn.iocoder.yudao.module.promotion.controller.admin.banner.vo.BannerUpdateReqVO;
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import cn.iocoder.yudao.module.promotion.convert.banner.BannerConvert;
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import cn.iocoder.yudao.module.promotion.dal.dataobject.banner.BannerDO;
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import cn.iocoder.yudao.module.promotion.dal.mysql.banner.BannerMapper;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import jakarta.annotation.Resource;
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import java.util.List;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.BANNER_NOT_EXISTS;
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/**
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* 首页 banner 实现类
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*
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* @author xia
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*/
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@Service
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@Validated
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public class BannerServiceImpl implements BannerService {
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@Resource
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private BannerMapper bannerMapper;
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@Override
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public Long createBanner(BannerCreateReqVO createReqVO) {
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// 插入
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BannerDO banner = BannerConvert.INSTANCE.convert(createReqVO);
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bannerMapper.insert(banner);
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// 返回
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return banner.getId();
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}
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@Override
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public void updateBanner(BannerUpdateReqVO updateReqVO) {
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// 校验存在
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this.validateBannerExists(updateReqVO.getId());
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// 更新
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BannerDO updateObj = BannerConvert.INSTANCE.convert(updateReqVO);
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bannerMapper.updateById(updateObj);
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}
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@Override
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public void deleteBanner(Long id) {
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// 校验存在
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this.validateBannerExists(id);
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// 删除
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bannerMapper.deleteById(id);
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}
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private void validateBannerExists(Long id) {
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if (bannerMapper.selectById(id) == null) {
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throw exception(BANNER_NOT_EXISTS);
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}
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}
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@Override
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public BannerDO getBanner(Long id) {
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return bannerMapper.selectById(id);
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}
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@Override
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public PageResult<BannerDO> getBannerPage(BannerPageReqVO pageReqVO) {
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return bannerMapper.selectPage(pageReqVO);
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}
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@Override
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public void addBannerBrowseCount(Long id) {
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// 校验 Banner 是否存在
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validateBannerExists(id);
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// 增加点击次数
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bannerMapper.updateBrowseCount(id);
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}
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@Override
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public List<BannerDO> getBannerListByPosition(Integer position) {
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return bannerMapper.selectBannerListByPosition(position);
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}
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}
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