package com.pz.system.service.impl; import cn.hutool.core.bean.BeanUtil; import com.pz.common.core.page.TableDataInfo; import com.pz.common.core.domain.PageQuery; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.core.toolkit.Wrappers; import com.pz.system.mapper.UserCollectMapper; import lombok.RequiredArgsConstructor; import org.springframework.stereotype.Service; import com.pz.system.domain.bo.UserCollectBo; import com.pz.system.domain.vo.UserCollectVo; import com.pz.system.domain.UserCollect; import com.pz.system.service.IUserCollectService; import java.util.List; import java.util.Map; import java.util.Collection; /** * 用户收藏Service业务层处理 * * @author ruoyi * @date 2023-09-07 */ @RequiredArgsConstructor @Service public class UserCollectServiceImpl implements IUserCollectService { private final UserCollectMapper baseMapper; /** * 查询用户收藏 */ @Override public UserCollectVo queryById(Integer id){ return baseMapper.selectVoById(id); } /** * 查询用户收藏列表 */ @Override public TableDataInfo<UserCollectVo> queryPageList(UserCollectBo bo, PageQuery pageQuery) { LambdaQueryWrapper<UserCollect> lqw = buildQueryWrapper(bo); Page<UserCollectVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw); return TableDataInfo.build(result); } /** * 查询用户收藏列表 */ @Override public List<UserCollectVo> queryList(UserCollectBo bo) { LambdaQueryWrapper<UserCollect> lqw = buildQueryWrapper(bo); return baseMapper.selectVoList(lqw); } private LambdaQueryWrapper<UserCollect> buildQueryWrapper(UserCollectBo bo) { Map<String, Object> params = bo.getParams(); LambdaQueryWrapper<UserCollect> lqw = Wrappers.lambdaQuery(); lqw.eq(bo.getAid() != null, UserCollect::getAid, bo.getAid()); lqw.eq(bo.getUid() != null, UserCollect::getUid, bo.getUid()); return lqw; } /** * 新增用户收藏 */ @Override public Boolean insertByBo(UserCollectBo bo) { UserCollect add = BeanUtil.toBean(bo, UserCollect.class); validEntityBeforeSave(add); boolean flag = baseMapper.insert(add) > 0; if (flag) { bo.setId(add.getId()); } return flag; } /** * 修改用户收藏 */ @Override public Boolean updateByBo(UserCollectBo bo) { UserCollect update = BeanUtil.toBean(bo, UserCollect.class); validEntityBeforeSave(update); return baseMapper.updateById(update) > 0; } /** * 保存前的数据校验 */ private void validEntityBeforeSave(UserCollect entity){ //TODO 做一些数据校验,如唯一约束 } /** * 批量删除用户收藏 */ @Override public Boolean deleteWithValidByIds(Collection<Integer> ids, Boolean isValid) { if(isValid){ //TODO 做一些业务上的校验,判断是否需要校验 } return baseMapper.deleteBatchIds(ids) > 0; } }