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+package com.zhongzheng.modules.bank.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.bank.bo.ExamSimulateAddBo;
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+import com.zhongzheng.modules.bank.bo.ExamSimulateEditBo;
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+import com.zhongzheng.modules.bank.bo.ExamSimulateQueryBo;
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+import com.zhongzheng.modules.bank.domain.ExamSimulate;
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+import com.zhongzheng.modules.bank.mapper.ExamSimulateMapper;
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+import com.zhongzheng.modules.bank.service.IExamSimulateService;
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+import com.zhongzheng.modules.bank.vo.ExamSimulateVo;
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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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+ * 模拟考生成试卷Service业务层处理
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+ *
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+ * @author hjl
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+ * @date 2022-12-09
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+ */
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+@Service
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+public class ExamSimulateServiceImpl extends ServiceImpl<ExamSimulateMapper, ExamSimulate> implements IExamSimulateService {
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+
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+ @Override
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+ public ExamSimulateVo queryById(Long examId){
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+ ExamSimulate db = this.baseMapper.selectById(examId);
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+ return BeanUtil.toBean(db, ExamSimulateVo.class);
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+ }
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+
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+ @Override
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+ public List<ExamSimulateVo> queryList(ExamSimulateQueryBo bo) {
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+ LambdaQueryWrapper<ExamSimulate> lqw = Wrappers.lambdaQuery();
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+ lqw.eq(bo.getStatus() != null, ExamSimulate::getStatus, bo.getStatus());
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+ lqw.like(StrUtil.isNotBlank(bo.getExamName()), ExamSimulate::getExamName, bo.getExamName());
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+ lqw.eq(bo.getGoodsId() != null, ExamSimulate::getGoodsId, bo.getGoodsId());
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+ lqw.eq(bo.getUserId() != null, ExamSimulate::getUserId, bo.getUserId());
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+ lqw.eq(bo.getOrderGoodsId() != null, ExamSimulate::getOrderGoodsId, bo.getOrderGoodsId());
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+ lqw.eq(bo.getExamId() != null, ExamSimulate::getExamId, bo.getExamId());
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+ lqw.eq(bo.getExamPaperId() != null, ExamSimulate::getExamPaperId, bo.getExamPaperId());
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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<ExamSimulateVo> entity2Vo(Collection<ExamSimulate> collection) {
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+ List<ExamSimulateVo> voList = collection.stream()
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+ .map(any -> BeanUtil.toBean(any, ExamSimulateVo.class))
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+ .collect(Collectors.toList());
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+ if (collection instanceof Page) {
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+ Page<ExamSimulate> page = (Page<ExamSimulate>)collection;
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+ Page<ExamSimulateVo> 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(ExamSimulateAddBo bo) {
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+ ExamSimulate add = BeanUtil.toBean(bo, ExamSimulate.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(ExamSimulateEditBo bo) {
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+ ExamSimulate update = BeanUtil.toBean(bo, ExamSimulate.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(ExamSimulate 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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