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+package com.zhongzheng.modules.goods.service.impl;
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+
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+import cn.hutool.core.bean.BeanUtil;
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+import cn.hutool.core.util.StrUtil;
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+import com.zhongzheng.common.utils.DateUtils;
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+import com.zhongzheng.modules.goods.bo.GoodsHandoutsAddBo;
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+import com.zhongzheng.modules.goods.bo.GoodsHandoutsEditBo;
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+import com.zhongzheng.modules.goods.bo.GoodsHandoutsQueryBo;
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+import com.zhongzheng.modules.goods.domain.GoodsHandouts;
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+import com.zhongzheng.modules.goods.mapper.GoodsHandoutsMapper;
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+import com.zhongzheng.modules.goods.service.IGoodsHandoutsService;
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+import com.zhongzheng.modules.goods.vo.GoodsHandoutsVo;
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+import org.springframework.stereotype.Service;
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+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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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.github.pagehelper.Page;
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+
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+import java.util.Collection;
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+import java.util.Collections;
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+import java.util.List;
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+import java.util.stream.Collectors;
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+
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+/**
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+ * 商品讲义Service业务层处理
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+ *
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+ * @author hjl
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+ * @date 2023-02-10
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+ */
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+@Service
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+public class GoodsHandoutsServiceImpl extends ServiceImpl<GoodsHandoutsMapper, GoodsHandouts> implements IGoodsHandoutsService {
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+
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+ @Override
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+ public GoodsHandoutsVo queryById(Long id){
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+ GoodsHandouts db = this.baseMapper.selectById(id);
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+ return BeanUtil.toBean(db, GoodsHandoutsVo.class);
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+ }
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+
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+ @Override
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+ public List<GoodsHandoutsVo> queryList(GoodsHandoutsQueryBo bo) {
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+ LambdaQueryWrapper<GoodsHandouts> lqw = Wrappers.lambdaQuery();
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+ lqw.eq(bo.getGoodsId() != null, GoodsHandouts::getGoodsId, bo.getGoodsId());
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+ lqw.eq(bo.getHandoutsId() != null, GoodsHandouts::getHandoutsId, bo.getHandoutsId());
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+ lqw.eq(bo.getSort() != null, GoodsHandouts::getSort, bo.getSort());
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+ lqw.eq(bo.getStatus() != null, GoodsHandouts::getStatus, bo.getStatus());
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+ return entity2Vo(this.list(lqw));
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+ }
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+
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+ /**
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+ * 实体类转化成视图对象
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+ *
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+ * @param collection 实体类集合
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+ * @return
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+ */
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+ private List<GoodsHandoutsVo> entity2Vo(Collection<GoodsHandouts> collection) {
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+ List<GoodsHandoutsVo> voList = collection.stream()
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+ .map(any -> BeanUtil.toBean(any, GoodsHandoutsVo.class))
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+ .collect(Collectors.toList());
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+ if (collection instanceof Page) {
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+ Page<GoodsHandouts> page = (Page<GoodsHandouts>)collection;
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+ Page<GoodsHandoutsVo> pageVo = new Page<>();
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+ BeanUtil.copyProperties(page,pageVo);
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+ pageVo.addAll(voList);
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+ voList = pageVo;
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+ }
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+ return voList;
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+ }
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+
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+ @Override
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+ public Boolean insertByAddBo(GoodsHandoutsAddBo bo) {
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+ GoodsHandouts add = BeanUtil.toBean(bo, GoodsHandouts.class);
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+ validEntityBeforeSave(add);
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+ add.setCreateTime(DateUtils.getNowTime());
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+ add.setUpdateTime(DateUtils.getNowTime());
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+ return this.save(add);
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+ }
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+
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+ @Override
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+ public Boolean updateByEditBo(GoodsHandoutsEditBo bo) {
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+ GoodsHandouts update = BeanUtil.toBean(bo, GoodsHandouts.class);
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+ validEntityBeforeSave(update);
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+ update.setUpdateTime(DateUtils.getNowTime());
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+ return this.updateById(update);
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+ }
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+
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+ /**
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+ * 保存前的数据校验
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+ *
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+ * @param entity 实体类数据
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+ */
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+ private void validEntityBeforeSave(GoodsHandouts entity){
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+ //TODO 做一些数据校验,如唯一约束
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+ }
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+
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+ @Override
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+ public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
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+ if(isValid){
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+ //TODO 做一些业务上的校验,判断是否需要校验
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+ }
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+ return this.removeByIds(ids);
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+ }
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+}
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