增加练习（修改获取练习的基本信息接口）

文章目录

- 1.sun-club-practice-api
- - - 1.enums
    - - 1.CompleteStatusEnum.java
    - 2.req
    - - 1.GetPracticeSubjectsReq.java
    - 3.vo
    - - 1.PracticeSubjectListVO.java
- 2.sun-club-practice-server
- - - 1.PracticeSetController.java
    - 2.service
    - - 1.PracticeSetServiceImpl.java
    - 3.dao
    - - 1.PracticeDao.java
      - 2.PracticeDetailDao.java
    - 4.mapper
    - - 1.PracticeDao.xml
      - 2.PracticeDetailDao.xml
    - 5.entity
    - - 1.po
      - 1.PracticeDetailPO.java
        2.PracticePO.java
- 3.测试
- - - 1.不携带practiceId来获取练习题
    - - 1.响应
      - 2.此时会新增一个练习
    - 2.携带practiceId获取练习题
    - - 1.响应
      - 2.此时会更新这个练习的提交时间
      - 3.并且会获取每个题目的练习详情，来判断是否作答，但是为空，所以isAnswer都是0

1.sun-club-practice-api

1.enums

1.CompleteStatusEnum.java

package com.sunxiansheng.practice.api.enums;

public enum CompleteStatusEnum {

    /**
     * 未完成
     */
    NO_COMPLETE(0, "未完成"),

    /**
     * 已完成
     */
    COMPLETE(1, "已完成");

    final private int code;
    final private String desc;

    CompleteStatusEnum(int code, String desc) {
        this.code = code;
        this.desc = desc;
    }

    public int getCode() {
        return code;
    }

    public String getDesc() {
        return desc;
    }
}

2.req

1.GetPracticeSubjectsReq.java

package com.sunxiansheng.practice.api.req;

import lombok.Data;

import java.io.Serializable;

/**
 * Description:
 * @Author sun
 * @Create 2024/6/28 13:03
 * @Version 1.0
 */
@Data
public class GetPracticeSubjectsReq implements Serializable {

    /**
     * 套题id
     */
    private Long setId;

    /**
     * 练习id
     */
    private Long practiceId;

}

3.vo

1.PracticeSubjectListVO.java

package com.sunxiansheng.practice.api.vo;

import lombok.Data;

import java.io.Serializable;
import java.util.List;

@Data
public class PracticeSubjectListVO implements Serializable {

    /**
     * 练习标题（套卷名字）
     */
    private String title;

    /**
     * 题目列表
     */
    private List<PracticeSubjectDetailVO> subjectList;

    /**
     * 练习id
     */
    private Long practiceId;

    /**
     * 用时
     */
    private String timeUse;


}

2.sun-club-practice-server

1.PracticeSetController.java

/**
 * 获取题目详情
 */
@PostMapping(value = "/getPracticeSubject")
public Result<PracticeSubjectVO> getPracticeSubject(@RequestBody GetPracticeSubjectReq req) {
    if (log.isInfoEnabled()) {
        log.info("获取练习题详情入参{}", JSON.toJSONString(req));
    }
    try {
        Preconditions.checkArgument(!Objects.isNull(req), "参数不能为空！");
        Preconditions.checkArgument(!Objects.isNull(req.getSubjectId()), "题目id不能为空！");
        Preconditions.checkArgument(!Objects.isNull(req.getSubjectType()), "题目类型不能为空！");
        PracticeSubjectDTO dto = new PracticeSubjectDTO();
        dto.setSubjectId(req.getSubjectId());
        dto.setSubjectType(req.getSubjectType());
        PracticeSubjectVO vo = practiceSetService.getPracticeSubject(dto);
        if (log.isInfoEnabled()) {
            log.info("获取练习题目详情出参{}", JSON.toJSONString(vo));
        }
        return Result.ok(vo);
    } catch (IllegalArgumentException e) {
        log.error("参数异常！错误原因{}", e.getMessage(), e);
        return Result.fail(e.getMessage());
    } catch (Exception e) {
        log.error("获取练习详情异常！错误原因{}", e.getMessage(), e);
        return Result.fail("获取练习题目详情异常！");
    }
}

2.service

1.PracticeSetServiceImpl.java

    /**
     *
     * @param req setId practiceId
     * @return
     */
    public PracticeSubjectListVO getSubjects(GetPracticeSubjectsReq req) {
        // 获取req中的setId
        Long setId = req.getSetId();
        // 构建一个返回的vo
        PracticeSubjectListVO vo = new PracticeSubjectListVO();
        // 根据setId查询出所有题目的id和type
        List<PracticeSetDetailPO> practiceSetDetailPOS = practiceSetDetailDao.selectBySetId(setId);
        // 判空
        if (CollectionUtils.isEmpty(practiceSetDetailPOS)) {
            return vo;
        }
        // 从请求中获取练习id，以此来判断用户是否练习过
        Long practiceId = req.getPracticeId();
        // 获取loginId
        String loginId = LoginUtil.getLoginId();

        // 组装List<PracticeSubjectDetailVO>
        List<PracticeSubjectDetailVO> practiceSubjectDetailVOList = practiceSetDetailPOS.stream().map(
                // 练习套卷的subjectId和subjectTpye
                practiceSetDetailPO -> {
                    // 将每一个题目的subjectId和subjectTpye映射到PracticeSubjectDetailVO
                    PracticeSubjectDetailVO practiceSubjectDetailVO = new PracticeSubjectDetailVO();
                    practiceSubjectDetailVO.setSubjectId(practiceSetDetailPO.getSubjectId());
                    practiceSubjectDetailVO.setSubjectType(practiceSetDetailPO.getSubjectType());

                    // 当练题id不为空的时候，根据练习id是否为空来设置每个题目是否已经作答
                    if (Objects.nonNull(practiceId)) {
                        // 查询出当前题目的详情
                        PracticeDetailPO practiceDetailPO = practiceDetailDao.selectDetail(practiceId, practiceSetDetailPO.getSubjectId(), loginId);
                        // 根据这条题目的答案内容是否为空，做出不同决策
                        if (Objects.nonNull(practiceDetailPO) && StringUtils.isNotBlank(practiceDetailPO.getAnswerContent())) {
                            // 答案如果不为空，则设置这个题目为已回答
                            practiceSubjectDetailVO.setIsAnswer(1);
                        } else {
                            // 未回答
                            practiceSubjectDetailVO.setIsAnswer(0);
                        }
                    }
                    return practiceSubjectDetailVO;
                }

        ).collect(Collectors.toList());
        // 查询套卷名字
        PracticeSetPO practiceSetPO = practiceSetDao.selectById(setId);
        // 组装PracticeSubjectListVO
        vo.setTitle(practiceSetPO.getSetName());
        vo.setSubjectList(practiceSubjectDetailVOList);

        // 如果练习id为空，添加逻辑
        if (Objects.isNull(practiceId)) {
            // 根据套卷id新增一个练习
            Long newPracticeId = insertUnCompletePractice(setId);
            // 返回
            vo.setPracticeId(newPracticeId);
        } else {
            // 更新获取练习的时间
            updateUnCompletePractice(practiceId);
            PracticePO practicePO = practiceDao.selectById(practiceId);
            // 返回用时和练习id
            vo.setTimeUse(practicePO.getTimeUse());
            vo.setPracticeId(practiceId);
        }
        return vo;
    }

    /**
     * 新增练习并返回id
     * @param practiceSetId
     * @return
     */
    private Long insertUnCompletePractice(Long practiceSetId) {
        PracticePO practicePO = new PracticePO();
        practicePO.setSetId(practiceSetId);
        practicePO.setCompleteStatus(CompleteStatusEnum.NO_COMPLETE.getCode());
        practicePO.setTimeUse("00:00:00");
        practicePO.setSubmitTime(new Date());
        practicePO.setCorrectRate(new BigDecimal("0.00"));
        practicePO.setIsDeleted(IsDeleteFlagEnum.UN_DELETED.getCode());
        practicePO.setCreatedBy(LoginUtil.getLoginId());
        practicePO.setCreatedTime(new Date());
        practiceDao.insert(practicePO);
        return practicePO.getId();
    }

    /**
     * 更新获取练习的时间（重新计时）
     * @param practiceId
     */
    private void updateUnCompletePractice(Long practiceId) {
        PracticePO practicePO = new PracticePO();
        practicePO.setId(practiceId);
        practicePO.setSubmitTime(new Date());
        practiceDao.update(practicePO);
    }

3.dao

1.PracticeDao.java

package com.sunxiansheng.practice.server.dao;

import com.sunxiansheng.practice.server.entity.po.PracticePO;

/**
 * Description:
 * @Author sun
 * @Create 2024/6/28 16:40
 * @Version 1.0
 */
public interface PracticeDao {
    /**
     * 根据id查询练习信息
     * @param practiceId
     * @return
     */
    PracticePO selectById(Long practiceId);

    /**
     * 插入练习信息
     * @param practicePO
     */
    void insert(PracticePO practicePO);

    /**
     * 更新练习信息
     * @param practicePO
     */
    void update(PracticePO practicePO);
}

2.PracticeDetailDao.java

package com.sunxiansheng.practice.server.dao;

import com.sunxiansheng.practice.server.entity.po.PracticeDetailPO;
import org.apache.ibatis.annotations.Param;

/**
 * Description:
 * @Author sun
 * @Create 2024/6/28 16:07
 * @Version 1.0
 */
public interface PracticeDetailDao {
    /**
     * 根据练习的id和题目id还有创建人来查询练习细节
     * @param practiceId
     * @param subjectId
     * @param loginId
     * @return
     */
    PracticeDetailPO selectDetail(@Param("practiceId") Long practiceId, @Param("subjectId") Long subjectId, @Param("loginId") String loginId);
}

4.mapper

1.PracticeDao.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.sunxiansheng.practice.server.dao.PracticeDao">

    <select id="selectById" resultType="com.sunxiansheng.practice.server.entity.po.PracticePO">
        select set_id as setId, time_use as timeUse, submit_time as submitTime, correct_rate as correctRate
        from practice_info
        where id = #{id}
          and is_deleted = 0
    </select>

    <insert id="insert">
        <selectKey resultType="java.lang.Long" keyProperty="id" order="AFTER">
            SELECT LAST_INSERT_ID()
        </selectKey>
        INSERT INTO practice_info(set_id, complete_status, time_use, submit_time, correct_rate, is_deleted,
                                  created_by, created_time)
        values (#{setId,jdbcType=BIGINT},
                #{completeStatus,jdbcType=INTEGER},
                #{timeUse,jdbcType=VARCHAR},
                #{submitTime,jdbcType=TIMESTAMP},
                #{correctRate,jdbcType=VARCHAR},
                #{isDeleted,jdbcType=INTEGER},
                #{createdBy,jdbcType=VARCHAR},
                #{createdTime,jdbcType=TIMESTAMP})
    </insert>

    <update id="update">
        update practice_info
        <set>
            <if test="submitTime != null">
                submit_time = #{submitTime},
            </if>
            <if test="timeUse != null">
                time_use = #{timeUse},
            </if>
            <if test="completeStatus != null">
                complete_status = #{completeStatus},
            </if>
            <if test="correctRate != null">
                correct_rate = #{correctRate},
            </if>
        </set>
        where id = #{id,jdbcType=BIGINT}
    </update>
</mapper>

2.PracticeDetailDao.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.sunxiansheng.practice.server.dao.PracticeDetailDao">
    
    <select id="selectDetail" resultType="com.sunxiansheng.practice.server.entity.po.PracticeDetailPO">
        select id,
               subject_id     as subjectId,
               subject_type   as subjectType,
               answer_status  as answerStatus,
               answer_content as answerContent
        from practice_detail
        where is_deleted = 0
          and practice_id = #{practiceId}
          and subject_id = #{subjectId}
          and created_by = #{loginId}
    </select>
</mapper>

5.entity

1.po

1.PracticeDetailPO.java

package com.sunxiansheng.practice.server.entity.po;

import lombok.Data;

import java.io.Serializable;
import java.util.Date;

@Data
public class PracticeDetailPO implements Serializable {

    /**
     * 主键
     */
    private Long id;

    /**
     * 练题id
     */
    private Long practiceId;

    /**
     * 题目id
     */
    private Long subjectId;

    /**
     * 题目类型
     */
    private Integer subjectType;

    /**
     * 是否正确 1正确 0错误
     */
    private Integer answerStatus;

    /**
     * 答案内容
     */
    private String answerContent;

    /**
     * 创建人
     */
    private String createdBy;

    /**
     * 创建时间
     */
    private Date createdTime;

    /**
     * 更新人
     */
    private String updateBy;

    private Integer isDeleted;

    /**
     * 更新时间
     */
    private Date updateTime;

}

2.PracticePO.java

package com.sunxiansheng.practice.server.entity.po;

import lombok.Data;

import java.io.Serializable;
import java.math.BigDecimal;
import java.util.Date;

@Data
public class PracticePO implements Serializable {

    /**
     * 主键
     */
    private Long id;

    /**
     * 套题id
     */
    private Long setId;

    /**
     * 完成情况 1完成 0未完成
     */
    private Integer completeStatus;

    /**
     * 所用时间
     */
    private String timeUse;

    /**
     * 交卷时间
     */
    private Date submitTime;

    /**
     * 正确率
     */
    private BigDecimal correctRate;

    /**
     * 创建人
     */
    private String createdBy;

    /**
     * 创建时间
     */
    private Date createdTime;

    /**
     * 更新人
     */
    private String updateBy;

    private Integer isDeleted;

    /**
     * 更新时间
     */
    private Date updateTime;

}