package com.gkhy.exam.system.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.gkhy.exam.common.enums.StudentAnswerPassEnum;
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import com.gkhy.exam.common.exception.ApiException;
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import com.gkhy.exam.common.utils.SecurityUtils;
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import com.gkhy.exam.system.domain.ExExerciseAnswer;
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import com.gkhy.exam.system.domain.ExQuestion;
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import com.gkhy.exam.system.domain.ExStudentAnswer;
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import com.gkhy.exam.system.mapper.ExExerciseAnswerMapper;
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import com.gkhy.exam.system.mapper.ExQuestionMapper;
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import com.gkhy.exam.system.service.ExExerciseAnswerService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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/**
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* <p>
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* 学员与练习题关系表 服务实现类
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* </p>
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*
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* @author kzy
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* @since 2024-06-20 09:42:25
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*/
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@Service
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public class ExExerciseAnswerServiceImpl extends ServiceImpl<ExExerciseAnswerMapper, ExExerciseAnswer> implements ExExerciseAnswerService {
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@Autowired
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private ExQuestionMapper questionMapper;
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@Override
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public ExExerciseAnswer addExerciseAnswer(ExExerciseAnswer exerciseAnswer) {
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int row=0;
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exerciseAnswer.setStudentId(SecurityUtils.getUserId());
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ExQuestion question=questionMapper.selectById(exerciseAnswer.getQuestionId());
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if(exerciseAnswer.getAnswer().equals(question.getAnswer())){
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exerciseAnswer.setPassed(StudentAnswerPassEnum.CORRECT.getCode());
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}else{
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exerciseAnswer.setPassed(StudentAnswerPassEnum.ERROR.getCode());
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}
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ExExerciseAnswer existAnswer= baseMapper.getExerciseAnswer(exerciseAnswer);
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if(existAnswer!=null){
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exerciseAnswer.setId(existAnswer.getId());
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row=baseMapper.updateById(exerciseAnswer);
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}else{
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row=baseMapper.insert(exerciseAnswer);
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}
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if(row<1){
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throw new ApiException("提交答题失败");
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}
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exerciseAnswer.setRealAnswer(question.getAnswer());
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return exerciseAnswer;
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}
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@Override
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public ExStudentAnswer getExerciseAnswer(ExExerciseAnswer exerciseAnswer) {
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return null;
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}
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}
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