package com.ruoyi.promotion.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.common.core.enums.ListingStatusEnum;
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import com.ruoyi.common.core.exception.ServiceException;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.core.utils.page.BeanUtils;
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import com.ruoyi.common.core.utils.page.PageDTO;
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import com.ruoyi.promotion.controller.management.dto.MgtPromotionBannerDTO;
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import com.ruoyi.promotion.controller.management.dto.MgtPromotionBannerQuery;
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import com.ruoyi.promotion.controller.management.dto.MgtPromotionBannerUpdDTO;
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import com.ruoyi.promotion.controller.management.vo.MgtPromotionBannerVO;
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import com.ruoyi.promotion.domain.PromotionBanner;
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import com.ruoyi.promotion.mapper.PromotionBannerMapper;
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import com.ruoyi.promotion.service.IPromotionBannerService;
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import java.util.List;
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import org.springframework.stereotype.Service;
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/**
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* <p>
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* 轮播图表 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 2024-05-16
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*/
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@Service
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public class PromotionBannerServiceImpl extends ServiceImpl<PromotionBannerMapper, PromotionBanner> implements IPromotionBannerService {
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@Override
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public List<PromotionBanner> getBaanerList(Integer bannerType) {
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LambdaQueryWrapper<PromotionBanner> wrapper= Wrappers.lambdaQuery();
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wrapper.eq(PromotionBanner::getBannerType,bannerType);
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wrapper.eq(PromotionBanner::getDelFlag,0);
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wrapper.eq(PromotionBanner::getListingStatus, ListingStatusEnum.ON_SHELVES);
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wrapper.orderByDesc(PromotionBanner::getSortNum);
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return this.list(wrapper);
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}
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@Override
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public PageDTO<MgtPromotionBannerVO> getBannerPage(MgtPromotionBannerQuery query) {
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Page<PromotionBanner> page = this.lambdaQuery()
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.eq(StringUtils.isNotNull(query.getListingStatus()),
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PromotionBanner::getListingStatus, query.getListingStatus())
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.like(StringUtils.isNotBlank(query.getBannerName()), PromotionBanner::getBannerName,
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query.getBannerName())
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.page(new Page<>(query.getPageCurr(), query.getPageSize()));
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if (StringUtils.isEmpty(page.getRecords())) {
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return PageDTO.empty(page);
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}
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return PageDTO.of(page, MgtPromotionBannerVO.class);
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}
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/**
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* 添加/编辑轮播图
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*
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* @param dto 轮播图数据传输对象
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*/
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@Override
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public void savePromotionBanner(MgtPromotionBannerDTO dto) {
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PromotionBanner promotionBanner = BeanUtils.copyBean(dto, PromotionBanner.class);
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// 添加
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if (StringUtils.isNull(promotionBanner.getId())) {
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if (StringUtils.isNull(promotionBanner.getBannerType())) {
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throw new ServiceException("轮播图类型不能为空");
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}
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this.save(promotionBanner);
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} else {
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// 更新
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this.updateById(promotionBanner);
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}
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}
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/**
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* 删除轮播图
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*
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* @param id 轮播图id
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*/
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@Override
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public void delPromotionBanner(Long id) {
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this.removeById(id);
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}
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/**
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* 查看轮播图详情
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*
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* @param id 轮播图id
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* @return MgtPromotionBannerVO
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*/
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@Override
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public MgtPromotionBannerVO getPromotionBanner(Long id) {
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PromotionBanner promotionBanner = this.getById(id);
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if (StringUtils.isNull(promotionBanner)) {
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throw new ServiceException("轮播图不存在");
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}
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return BeanUtils.copyBean(promotionBanner, MgtPromotionBannerVO.class);
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}
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/**
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* 轮播图 上架/下架
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*
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* @param dto 轮播图状态数据传输对象
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*/
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@Override
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public void updStatus(MgtPromotionBannerUpdDTO dto) {
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this.lambdaUpdate().set(PromotionBanner::getListingStatus, dto.getListingStatus())
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.eq(PromotionBanner::getId, dto.getId()).update();
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}
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}
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