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@ -5,6 +5,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import com.teaching.backend.common.ErrorCode; |
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import com.teaching.backend.exception.BusinessException; |
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import com.teaching.backend.mapper.Knowtemp.KnowtmpMapper; |
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import com.teaching.backend.mapper.courses.CourseObjectivesMapper; |
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import com.teaching.backend.mapper.courses.CoursesMapper; |
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import com.teaching.backend.mapper.courses.ObjectiveContentKnowMapper; |
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@ -13,7 +14,9 @@ import com.teaching.backend.model.dto.courses.ObjectiveContentKnowDTO; |
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import com.teaching.backend.model.entity.courses.CourseObjectives; |
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import com.teaching.backend.model.entity.courses.ObjectiveContentKnow; |
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import com.teaching.backend.model.entity.courses.ObjectiveContents; |
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import com.teaching.backend.model.entity.knowtmp.Knowtmp; |
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import com.teaching.backend.model.vo.courses.ObjectiveContentKnowVO; |
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import com.teaching.backend.model.vo.knowtmp.KnowTmpVO; |
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import com.teaching.backend.service.courses.IObjectiveContentKnowService; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.stereotype.Service; |
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@ -40,8 +43,8 @@ public class ObjectiveContentKnowServiceImpl extends ServiceImpl<ObjectiveConten |
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@Autowired |
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ObjectiveContentKnowMapper objectiveContentKnowMapper; |
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// @Autowired
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// KnowMapper knowMapper;
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@Autowired |
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KnowtmpMapper knowtmpMapper; |
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@Autowired |
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CourseObjectivesMapper courseObjectivesMapper; |
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@Autowired |
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@ -53,114 +56,109 @@ public class ObjectiveContentKnowServiceImpl extends ServiceImpl<ObjectiveConten |
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@Override |
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@Transactional |
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public String saveKnowsWithObjectiveOrContent(ObjectiveContentKnowDTO objectiveContentKnowDTO) { |
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String objectiveOrContent = objectiveContentKnowDTO.getObjectiveOrContent(); |
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if (objectiveOrContent == null || objectiveOrContent.equals("")){ |
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throw new BusinessException(ErrorCode.OBJECTIVE_OR_CONTENT_NOT_EXIT); |
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} |
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public String saveKnowsWithObjectiveContent(ObjectiveContentKnowDTO objectiveContentKnowDTO) { |
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//暂时约定前端传过来的的knows是“1,2,3” 用 , 隔开的
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String knows = objectiveContentKnowDTO.getKnow(); |
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if (knows == null || knows.equals("")){ |
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throw new BusinessException(ErrorCode.KONWID_NOT_EXIT); |
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} |
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List<String> knowIds = new ArrayList<>(Arrays.asList(knows.split(","))); |
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List<ObjectiveContentKnow> objectiveContentKnowList = new ArrayList<>(); |
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for (String knowId : knowIds) { |
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ObjectiveContentKnow objectiveContentKnow = new ObjectiveContentKnow(); |
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// objectiveContentKnow.setId(snowflakeGenerator.next());
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objectiveContentKnow.setObjectiveOrContent(objectiveOrContent); |
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objectiveContentKnow.setKnow(knowId); |
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objectiveContentKnowList.add(objectiveContentKnow); |
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} |
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try { |
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objectiveContentKnowMapper.insertBatchSomeColumn(objectiveContentKnowList); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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throw new BusinessException(ErrorCode.OBJECTIVE_OR_CONTENT_EXIT); |
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// String knows = objectiveContentKnowDTO.getKnow();
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// if (knows == null || knows.equals("")){
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// throw new BusinessException(ErrorCode.KONWID_NOT_EXIT);
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// }
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// List<String> knowIds = new ArrayList<>(Arrays.asList(knows.split(",")));
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// List<ObjectiveContentKnow> objectiveContentKnowList = new ArrayList<>();
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// for (String knowId : knowIds) {
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// ObjectiveContentKnow objectiveContentKnow = new ObjectiveContentKnow();
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//// objectiveContentKnow.setId(snowflakeGenerator.next());
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// objectiveContentKnow.setObjectiveOrContent(objectiveOrContent);
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// objectiveContentKnow.setKnow(knowId);
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// objectiveContentKnowList.add(objectiveContentKnow);
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// }
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// try {
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// objectiveContentKnowMapper.insertBatchSomeColumn(objectiveContentKnowList);
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// } catch (Exception e) {
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// e.printStackTrace();
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// throw new BusinessException(ErrorCode.OBJECTIVE_OR_CONTENT_EXIT);
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// }
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//添加逻辑变了 变成了给知识点添加关联的--课程目标
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ObjectiveContents objectiveContents = objectiveContentsMapper.selectById(objectiveContentKnowDTO.getObjectiveContentId()); |
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if (objectiveContents == null) { |
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throw new BusinessException(ErrorCode.OBJECTIVE_CONTENT_NOT_EXIT); |
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} |
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int insert = objectiveContentKnowMapper.insert(objectiveContentKnowDTO); |
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return "添加成功"; |
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return insert > 0 ? "添加成功" : "添加失败"; |
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} |
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@Override |
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public ObjectiveContentKnowVO getCountData(String objectiveOrContentId) { |
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// 查询分项目标或者是下面的内容关联的知识点数据(按设计要求，这个传的就是分项目标的id)
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List<ObjectiveContentKnow> objectiveContentKnows = objectiveContentKnowMapper.selectList( |
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new LambdaQueryWrapper<ObjectiveContentKnow>() |
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.eq(ObjectiveContentKnow::getObjectiveOrContent, objectiveOrContentId)); |
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public ObjectiveContentKnowVO getCountData(String objectiveContentId) { |
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// 创建ObjectiveContentKnowVO对象，用于存储和返回计算结果
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ObjectiveContentKnowVO objectiveContentKnowVO = new ObjectiveContentKnowVO(); |
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// 创建ObjectiveContentKnowVO对象，并计算相关数据
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ObjectiveContentKnowVO objectiveContentKnowVO = createObjectiveContentKnowVO(objectiveOrContentId, objectiveContentKnows); |
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// 根据分项目标找到课程id
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// 根据传入的目标内容ID找到课程ID和总学时
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String objectiveID = objectiveContentsMapper.selectOne(new LambdaQueryWrapper<ObjectiveContents>() |
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.eq(ObjectiveContents::getId, objectiveContentId)).getObjectiveId(); |
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String pid = courseObjectivesMapper.selectOne(new LambdaQueryWrapper<CourseObjectives>() |
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.eq(CourseObjectives::getId, objectiveOrContentId)).getPid(); |
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.eq(CourseObjectives::getId, objectiveID)).getPid(); |
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String courseId = courseObjectivesMapper.selectOne(new LambdaQueryWrapper<CourseObjectives>() |
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.eq(CourseObjectives::getId, pid)).getCourseId(); |
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.eq(CourseObjectives::getId, pid)).getCourseId(); |
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Integer classhours = coursesMapper.selectById(courseId).getClasshours(); |
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// 计算并设置比例（百分比）
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// BigDecimal percentage = calculatePercentage(objectiveContentKnowVO.getKnowsTime(), classhours);
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// objectiveContentKnowVO.setPersent(percentage + "%");
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// 查找分项目标下的内容
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List<ObjectiveContents> objectiveContents = objectiveContentsMapper.selectList(new LambdaQueryWrapper<ObjectiveContents>() |
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.eq(ObjectiveContents::getObjectiveId, objectiveOrContentId)); |
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// 获取当前目标内容下关联的知识点数据
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List<ObjectiveContentKnow> objectiveContentKnows = objectiveContentKnowMapper.selectList( |
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new LambdaQueryWrapper<ObjectiveContentKnow>() |
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.eq(ObjectiveContentKnow::getObjectiveContentId, objectiveContentId) |
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); |
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// 如果存在分项目标内容，处理并计算每个内容的相关数据
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if (!CollectionUtils.isEmpty(objectiveContents)) { |
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List<ObjectiveContentKnowVO> contentKnowVOs = objectiveContents.stream() |
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.map(content -> createObjectiveContentKnowVO(content.getId(), objectiveContentKnowMapper.selectList( |
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new LambdaQueryWrapper<ObjectiveContentKnow>() |
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.eq(ObjectiveContentKnow::getObjectiveOrContent, content.getId()) |
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))) |
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.collect(Collectors.toList()); |
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// 创建并设置ObjectiveContentKnowVO对象的属性
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objectiveContentKnowVO = createObjectiveContentKnowVO(objectiveContentId, objectiveContentKnows); |
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// 计算每个内容的知识点总学时的比例（百分比）
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// contentKnowVOs.forEach(contentKnowVO -> {
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// BigDecimal contentPercentage = calculatePercentage(contentKnowVO.getKnowsTime(), classhours);
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// contentKnowVO.setPersent(contentPercentage + "%");
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// });
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// 计算并设置该内容的知识点总学时的比例（百分比）
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Double contentPercentage = calculatePercentage(objectiveContentKnowVO.getKnowsTime(), classhours); |
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objectiveContentKnowVO.setPersent(contentPercentage); |
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// 设置内容的知识点数据
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objectiveContentKnowVO.setContentKnowsData(contentKnowVOs); |
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} |
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// 返回计算结果
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// 返回最终结果
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return objectiveContentKnowVO; |
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} |
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// 创建ObjectiveContentKnowVO对象，并计算知识点数量和总时间
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// 创建ObjectiveContentKnowVO对象，并计算知识点数量、总时间和关联的知识点部分数据
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private ObjectiveContentKnowVO createObjectiveContentKnowVO(String objectiveOrContentId, List<ObjectiveContentKnow> objectiveContentKnows) { |
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ObjectiveContentKnowVO vo = new ObjectiveContentKnowVO(); |
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vo.setObjectiveOrContent(objectiveOrContentId); |
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vo.setKnowsNumber(objectiveContentKnows.size()); |
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// 计算知识点的总时间
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// BigDecimal knowsTime = objectiveContentKnows.stream()
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// .map(contentKnow -> {
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// Know know = knowMapper.selectOne(new LambdaQueryWrapper<Know>()
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// .eq(Know::getId, contentKnow.getKnow()));
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// if (know == null) {
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// throw new BusinessException(ErrorCode.KNOW_NOT_EXIT);
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// }
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// return know.getHour();
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// })
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// .reduce(BigDecimal.ZERO, BigDecimal::add);
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// vo.setKnowsTime(knowsTime);
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// 计算知识点的总时间，并收集关联的知识点部分数据
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Double knowsTime = 0.0; |
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List<KnowTmpVO> knowTmpVOList = new ArrayList<>(); |
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for (ObjectiveContentKnow contentKnow : objectiveContentKnows) { |
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Knowtmp know = knowtmpMapper.selectOne(new LambdaQueryWrapper<Knowtmp>() |
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.eq(Knowtmp::getId, contentKnow.getKnowId())); |
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if (know == null) { |
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throw new BusinessException(ErrorCode.KNOW_NOT_EXIT); |
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} |
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knowsTime += know.getHour(); |
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// 将当前知识点数据添加到knowTmpVOList中
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KnowTmpVO knowTmpVO = new KnowTmpVO(); |
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knowTmpVO.setId(know.getId()); |
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knowTmpVO.setName(know.getName()); |
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knowTmpVO.setHour(know.getHour()); |
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knowTmpVOList.add(knowTmpVO); |
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} |
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vo.setKnowsTime(knowsTime); |
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vo.setKnowTmpVOList(knowTmpVOList); // 设置知识点的部分数据列表
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return vo; |
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} |
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// 计算知识点时间占总学时的比例，并转换为百分比
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private BigDecimal calculatePercentage(BigDecimal knowsTime, Integer classhours) { |
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// 计算知识点学时占总学时的比例，并返回百分比形式的结果
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private Double calculatePercentage(Double knowsTime, Integer classhours) { |
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if (classhours == null || classhours == 0) { |
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return BigDecimal.ZERO; |
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return 0.0; |
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} |
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// 将classhours转换为BigDecimal类型，以便进行精确计算
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BigDecimal classHoursBigDecimal = new BigDecimal(classhours); |
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// 计算knowsTime占classhours的比例，先除以classhours再乘以100，保留两位小数，并四舍五入
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return knowsTime.divide(classHoursBigDecimal, 4, RoundingMode.HALF_UP).multiply(new BigDecimal(100)).setScale(2, RoundingMode.HALF_UP); |
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return new BigDecimal(knowsTime) |
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.divide(new BigDecimal(classhours), 4, RoundingMode.HALF_UP) |
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.multiply(new BigDecimal(100)) |
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.setScale(2, RoundingMode.HALF_UP) |
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.doubleValue(); |
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} |
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} |
