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@ -1,24 +1,35 @@ |
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package com.teaching.backend.service.KnowGraph; |
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
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import com.teaching.backend.common.BaseResponse; |
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import com.teaching.backend.common.ErrorCode; |
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import com.teaching.backend.common.ResultUtils; |
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import com.teaching.backend.mapper.KnowGraph.KnowRepository; |
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import com.teaching.backend.mapper.Knowtemp.KnowtempMapper; |
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import com.teaching.backend.mapper.chapter.ChapterMapper; |
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import com.teaching.backend.mapper.courses.CoursesMapper; |
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import com.teaching.backend.model.dto.KnowGraph.*; |
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import com.teaching.backend.model.dto.Knowtemp.KnowtempAdd; |
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import com.teaching.backend.model.dto.Knowtemp.KnowtempUpdate; |
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import com.teaching.backend.model.dto.chapter.ChapterDTO; |
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import com.teaching.backend.model.dto.courses.CoursesDTO; |
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import com.teaching.backend.model.entity.KnowGraph.Know; |
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import com.teaching.backend.model.entity.KnowGraph.KnowChapter; |
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import com.teaching.backend.model.entity.KnowGraph.KnowCourse; |
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import com.teaching.backend.model.entity.KnowGraph.Links; |
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import com.teaching.backend.model.entity.Knowtemp.Knowtemp; |
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import com.teaching.backend.model.entity.chapter.Chapter; |
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import com.teaching.backend.model.entity.courses.Courses; |
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import com.teaching.backend.model.vo.knowGraph.KnowVO; |
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import com.teaching.backend.model.vo.knowGraph.KnowVO1; |
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import org.neo4j.driver.internal.InternalRelationship; |
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import org.neo4j.driver.types.Node; |
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import org.springframework.beans.BeanUtils; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.data.neo4j.core.Neo4jClient; |
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import org.springframework.stereotype.Service; |
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import org.springframework.web.bind.annotation.RequestBody; |
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import org.springframework.web.bind.annotation.RequestParam; |
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import javax.annotation.Resource; |
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import java.time.LocalDateTime; |
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@ -31,109 +42,132 @@ import java.util.*; |
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*/ |
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@Service |
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public class KnowService { |
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@Autowired |
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private KnowRepository knowRepository; |
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@Autowired |
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private ChapterMapper chapterMapper; |
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@Resource |
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private Neo4jClient neo4jClient; |
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public KnowService(KnowRepository knowRepository) { |
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this.knowRepository = knowRepository; |
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} |
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@Autowired |
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private KnowtempMapper knowtempMapper; |
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public List<Know> queryKnowAllKnowById(Long id) { |
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return knowRepository.queryKnowAllKnowById(id); |
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} |
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@Autowired |
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private CoursesMapper coursesMapper; |
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@Resource |
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private Neo4jClient neo4jClient; |
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public BaseResponse<Know> createKnow(KnowRequest knowRequest ) { |
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String name = knowRequest.getName(); |
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String info = knowRequest.getInfo(); |
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if("".equals(name) || name.length()<=0){ |
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return ResultUtils.error(ErrorCode.PARAMS_EMPTY); |
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public BaseResponse<String> add(KnowtempAdd knowtempAdd){ |
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String name = knowtempAdd.getName(); |
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String info = knowtempAdd.getInfo(); |
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Long chapterId = knowtempAdd.getChapterid(); |
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String courseid = knowtempAdd.getCourseid(); |
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Knowtemp knowtemp = new Knowtemp(); |
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knowtemp.setName(name); |
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knowtemp.setInfo(info); |
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knowtemp.setChapterid(chapterId); |
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knowtemp.setCourseid(courseid); |
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int insert = knowtempMapper.insert(knowtemp); |
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if(insert > 0){ |
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return ResultUtils.success("添加成功"); |
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} |
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Know know = new Know(); |
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BeanUtils.copyProperties(knowRequest,know); |
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return ResultUtils.success(knowRepository.save(know)) ; |
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return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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public BaseResponse<Know> updateKnow(KnowUpdateRequest knowUpdateRequest ) { |
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Know know = new Know(); |
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try { |
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know = knowRepository.findById(knowUpdateRequest.getId()).orElseThrow(() -> new RuntimeException("知识点 not found")); |
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}catch (RuntimeException e){ |
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public BaseResponse<String> update(KnowtempUpdate knowtempUpdate){ |
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Long id = knowtempUpdate.getId(); |
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String name = knowtempUpdate.getName(); |
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String info = knowtempUpdate.getInfo(); |
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Long chapterId = knowtempUpdate.getChapterid(); |
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String courseid = knowtempUpdate.getCourseid(); |
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Knowtemp knowtemp = new Knowtemp(); |
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knowtemp = knowtempMapper.selectById(id); |
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if(knowtemp == null){ |
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return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR); |
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} |
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String name = knowUpdateRequest.getName(); |
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String info = knowUpdateRequest.getInfo(); |
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if("".equals(name) || name.length()<=0){ |
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return ResultUtils.error(ErrorCode.PARAMS_EMPTY); |
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knowtemp.setName(name); |
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knowtemp.setInfo(info); |
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knowtemp.setChapterid(chapterId); |
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knowtemp.setCourseid(courseid); |
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int insert = knowtempMapper.updateById(knowtemp); |
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if(insert > 0){ |
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return ResultUtils.success("修改成功"); |
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} |
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BeanUtils.copyProperties(knowUpdateRequest,know); |
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return ResultUtils.success(knowRepository.save(know)); |
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return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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public BaseResponse<String> deleteKnow(Long id) { |
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Boolean f = knowRepository.deleteKnow(id); |
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if(f)return ResultUtils.success("删除成功"); |
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return ResultUtils.error(ErrorCode.DELETE_FAILED); |
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} |
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public BaseResponse<KnowCourse> createCourseKnow( Courses courses) { |
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String courseId = courses.getId(); |
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String name = courses.getName(); |
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String description = courses.getDescription(); |
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return ResultUtils.success(knowRepository.createKnowCourse(courseId,name,description)); |
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public BaseResponse<String> delete(Long id){ |
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Knowtemp knowtemp = new Knowtemp(); |
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knowtemp = knowtempMapper.selectById(id); |
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if(knowtemp == null){ |
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return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR); |
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} |
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int insert = knowtempMapper.deleteById(id); |
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if(insert > 0){ |
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return ResultUtils.success("删除成功"); |
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} |
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return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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public BaseResponse<String> deleteCourseKnow( String courseId) { |
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boolean f = knowRepository.deleteKnowCourse(courseId); |
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if(f)return ResultUtils.success("删除成功"); |
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return ResultUtils.error(ErrorCode.DELETE_FAILED); |
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public BaseResponse<Knowtemp> query(Long id){ |
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Knowtemp knowtemp = new Knowtemp(); |
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knowtemp = knowtempMapper.selectById(id); |
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if(knowtemp != null){ |
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return ResultUtils.success(knowtemp); |
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} |
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return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR); |
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} |
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public Boolean updateCourseKnow( Courses courses) { |
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String id = courses.getId(); |
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String name = courses.getName(); |
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String description = courses.getDescription(); |
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return knowRepository.updateKnowCourse(id,name,description); |
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public BaseResponse<String> saveKnowToNeo(String id) { |
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Courses courses = coursesMapper.selectById(id); |
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int f = knowRepository.createKnowCourse(courses.getId(),courses.getName(),courses.getDescription()); |
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if(f <= 0)return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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List<Chapter> chapterList = chapterMapper.selectSectionsByCourseId(id); |
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for (int i = 0; i < chapterList.size(); i++) { |
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Chapter chapter = chapterList.get(i); |
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f = knowRepository.createKnowChapter(chapter.getId(),chapter.getName(),chapter.getContent()); |
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if(f <= 0)return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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for (int i = 0; i < chapterList.size(); i++) { |
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Chapter chapter = chapterList.get(i); |
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if(chapter.getPid()== 0){ |
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f = knowRepository.addChapterAndCourse(chapter.getCourseId(),chapter.getId()); |
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if(f <= 0)return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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}else{ |
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f = knowRepository.addChapterAndCourse(chapter.getPid(),chapter.getId()); |
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if(f <= 0)return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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public BaseResponse<KnowChapter> createKnowChapter(Chapter chapter) { |
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return ResultUtils.success(knowRepository.createKnowChapter(chapter.getId(), chapter.getName(), chapter.getContent())); |
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} |
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QueryWrapper<Knowtemp> queryWrapper = new QueryWrapper<>(); |
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queryWrapper.eq("courseid",id); |
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List<Knowtemp> list = knowtempMapper.selectList(queryWrapper); |
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for (int j = 0; j < list.size(); j++) { |
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Knowtemp knowtemp = list.get(j); |
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f = knowRepository.CreateKnowaddChapter(knowtemp.getChapterid(),knowtemp.getName(),knowtemp.getInfo()); |
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if(f <= 0)return ResultUtils.error(ErrorCode.OPERATION_ERROR); |
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} |
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return ResultUtils.success("添加成功"); |
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} |
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public BaseResponse<KnowChapter> updateKnowChapter(Chapter chapter) { |
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return ResultUtils.success(knowRepository.createKnowChapter(chapter.getId(), chapter.getName(), chapter.getContent())); |
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} |
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public BaseResponse<String> deleteKnowChapter(Long chapterId) { |
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boolean f = knowRepository.deleteKnowChapter(chapterId); |
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if(f)return ResultUtils.success("删除成功"); |
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return ResultUtils.error(ErrorCode.DELETE_FAILED); |
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} |
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public Set<Know> queryByChapterId(Long chapterId){ |
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Set<Know> knows = knowRepository.queryByChapterId(chapterId); |
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return knows; |
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} |
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public BaseResponse<String> addKnowRelatedKnow(RelationshipKnowRequest relationshipKnowRequest) { |
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int num = knowRepository.addKnowRelatedKnow(relationshipKnowRequest.getId(),relationshipKnowRequest.getKnowIds()); |
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if(num == relationshipKnowRequest.getKnowIds().size())return ResultUtils.success("添加关系成功，共添加了"+num+" 条关系"); |
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return ResultUtils.error(ErrorCode.DELETE_RELATIONSHIP_FAILED); |
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} |
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public BaseResponse<String> addKnowFatherAndSonKnow( RelationshipKnowRequest relationshipKnowRequest) { |
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int num = knowRepository.addKnowFatherAndSonKnow(relationshipKnowRequest.getId(),relationshipKnowRequest.getKnowIds()); |
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if(num == relationshipKnowRequest.getKnowIds().size())return ResultUtils.success("添加关系成功，共添加了"+num+" 条关系"); |
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return ResultUtils.error(ErrorCode.DELETE_RELATIONSHIP_FAILED); |
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public BaseResponse<String> updateRelationship(Long id,List<Long> ids,String relationship){ |
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//必须先学id1的知识点才能学习id2的知识点
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int f = -1; |
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if("PreCondition".equals(relationship)){ |
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f = knowRepository.addKnowWithPreCondition(id,ids); |
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if(f<=0)return ResultUtils.error(ErrorCode.ADD_RELATION_FAILED); |
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} else if ("FatherAndSon".equals(relationship)) { |
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f = knowRepository.addKnowWithFaherAndSon(id,ids); |
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if(f<=0)return ResultUtils.error(ErrorCode.ADD_RELATION_FAILED); |
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}else{ |
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f = knowRepository.addKnowWithRelated(id,ids); |
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if(f<=0)return ResultUtils.error(ErrorCode.ADD_RELATION_FAILED); |
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} |
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return ResultUtils.success("添加成功"); |
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} |
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public BaseKnowReturn getKnowAll(String id) { |
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public BaseKnowReturn getKnowAll(String id) { |
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Collection<Map<String, Object>> all = |
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neo4jClient.query( "match(n:Know)-[r*0..]->(p:Know) where n.courseId = '"+id+"' return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all(); |
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@ -180,57 +214,218 @@ public class KnowService { |
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} |
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BaseKnowReturn baseKnowReturn = new BaseKnowReturn(knowList,linksList); |
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System.out.println(baseKnowReturn); |
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return baseKnowReturn; |
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} |
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public BaseKnowReturn getKnowById(Long id) { |
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Collection<Map<String, Object>> all = |
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neo4jClient.query( "match(n:Know)-[r*0..2]->(p:Know) where ID(n) = "+id+" return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all(); |
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Map<Long,String>colorChoose = new HashMap<>(); |
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String color[] = new String[10]; |
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String[] colorList = {"#91CC75", "#5470C6", "#FAC858", "#EE6666", "#73C0DE", "#EA7CCC", "#5577FF", "#5577FF", "#9DBFFF", "#78A7FF"}; |
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for (int i = 0; i < 10; i++) { |
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colorChoose.put((long) i,colorList[i]); |
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} |
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public BaseResponse<Set<KnowVO1>> getKnowByCourseId(String id) { |
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Collection<Map<String, Object>> all = |
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neo4jClient.query( "match(n:Know)-[r*0..]->(p:Know) where n.courseId = '"+id+"' return p as `p`").fetch().all(); |
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Iterator<Map<String, Object>> iterator = all.iterator(); |
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Set<KnowVO> knowList = new HashSet<>(); |
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Set<Links>linksList = new HashSet<>(); |
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KnowVO knowVO; |
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List node2 = new ArrayList<>(); |
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Links links; |
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int p = 0; |
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Set<KnowVO1> knowList = new HashSet<>(); |
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KnowVO1 knowVO; |
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while (iterator.hasNext()) { |
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Map<String, Object> element = iterator.next(); |
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knowVO = new KnowVO(); |
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knowVO = new KnowVO1(); |
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Node node1 = (Node) element.get("p"); |
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Long group = (Long) element.get("d"); |
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knowVO.setColor(colorChoose.get(group)); |
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Long id1 = node1.id(); |
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String name1 = node1.get("name").asString(); |
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knowVO.setId(id1); |
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knowVO.setLabel(name1); |
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knowList.add(knowVO); |
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node2 = (List) element.get("r"); |
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for (int i = 0; i < node2.size(); i++) { |
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InternalRelationship e = (InternalRelationship) node2.get(i); |
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links = new Links(); |
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links.setId(e.id()); |
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links.setSource(e.startNodeId()); |
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links.setTarget(e.endNodeId()); |
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links.setLabel(e.type()); |
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linksList.add(links); |
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} |
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} |
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BaseKnowReturn baseKnowReturn = new BaseKnowReturn(knowList,linksList); |
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System.out.println(baseKnowReturn); |
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return baseKnowReturn; |
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return ResultUtils.success(knowList); |
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} |
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// public List<Know> queryKnowAllKnowById(Long id) {
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// return knowRepository.queryKnowAllKnowById(id);
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// }
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//
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//
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// public BaseResponse<Know> createKnow(KnowRequest knowRequest ) {
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// String name = knowRequest.getName();
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// String info = knowRequest.getInfo();
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// if("".equals(name) || name.length()<=0){
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// return ResultUtils.error(ErrorCode.PARAMS_EMPTY);
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// }
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// Know know = new Know();
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// BeanUtils.copyProperties(knowRequest,know);
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// return ResultUtils.success(knowRepository.save(know)) ;
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// }
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//
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// public BaseResponse<Know> updateKnow(KnowUpdateRequest knowUpdateRequest ) {
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// Know know = new Know();
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// try {
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// know = knowRepository.findById(knowUpdateRequest.getId()).orElseThrow(() -> new RuntimeException("知识点 not found"));
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// }catch (RuntimeException e){
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// return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR);
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// }
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// String name = knowUpdateRequest.getName();
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// String info = knowUpdateRequest.getInfo();
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// if("".equals(name) || name.length()<=0){
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// return ResultUtils.error(ErrorCode.PARAMS_EMPTY);
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// }
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// BeanUtils.copyProperties(knowUpdateRequest,know);
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// return ResultUtils.success(knowRepository.save(know));
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// }
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// public BaseResponse<String> deleteKnow(Long id) {
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// Boolean f = knowRepository.deleteKnow(id);
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// if(f)return ResultUtils.success("删除成功");
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// return ResultUtils.error(ErrorCode.DELETE_FAILED);
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// }
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//
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//
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//
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// public BaseResponse<KnowCourse> createCourseKnow( Courses courses) {
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// String courseId = courses.getId();
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// String name = courses.getName();
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// String description = courses.getDescription();
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// return ResultUtils.success(knowRepository.createKnowCourse(courseId,name,description));
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// }
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//
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// public BaseResponse<String> deleteCourseKnow( String courseId) {
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// boolean f = knowRepository.deleteKnowCourse(courseId);
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// if(f)return ResultUtils.success("删除成功");
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// return ResultUtils.error(ErrorCode.DELETE_FAILED);
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// }
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//
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// public Boolean updateCourseKnow( Courses courses) {
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// String id = courses.getId();
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// String name = courses.getName();
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// String description = courses.getDescription();
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// return knowRepository.updateKnowCourse(id,name,description);
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//
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// }
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//
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// public BaseResponse<KnowChapter> createKnowChapter(Chapter chapter) {
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// return ResultUtils.success(knowRepository.createKnowChapter(chapter.getId(), chapter.getName(), chapter.getContent()));
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//
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// }
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// public BaseResponse<KnowChapter> updateKnowChapter(Chapter chapter) {
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// return ResultUtils.success(knowRepository.createKnowChapter(chapter.getId(), chapter.getName(), chapter.getContent()));
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// }
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// public BaseResponse<String> deleteKnowChapter(Long chapterId) {
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// boolean f = knowRepository.deleteKnowChapter(chapterId);
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// if(f)return ResultUtils.success("删除成功");
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// return ResultUtils.error(ErrorCode.DELETE_FAILED);
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// }
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// public Set<Know> queryByChapterId(Long chapterId){
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// Set<Know> knows = knowRepository.queryByChapterId(chapterId);
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// return knows;
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// }
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//
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//
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//
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// public BaseResponse<String> addKnowRelatedKnow(RelationshipKnowRequest relationshipKnowRequest) {
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// int num = knowRepository.addKnowRelatedKnow(relationshipKnowRequest.getId(),relationshipKnowRequest.getKnowIds());
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// if(num == relationshipKnowRequest.getKnowIds().size())return ResultUtils.success("添加关系成功，共添加了"+num+" 条关系");
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// return ResultUtils.error(ErrorCode.DELETE_RELATIONSHIP_FAILED);
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// }
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// public BaseResponse<String> addKnowFatherAndSonKnow( RelationshipKnowRequest relationshipKnowRequest) {
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// int num = knowRepository.addKnowFatherAndSonKnow(relationshipKnowRequest.getId(),relationshipKnowRequest.getKnowIds());
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// if(num == relationshipKnowRequest.getKnowIds().size())return ResultUtils.success("添加关系成功，共添加了"+num+" 条关系");
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// return ResultUtils.error(ErrorCode.DELETE_RELATIONSHIP_FAILED);
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// }
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//
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//
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// public BaseKnowReturn getKnowAll(String id) {
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// Collection<Map<String, Object>> all =
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// neo4jClient.query( "match(n:Know)-[r*0..]->(p:Know) where n.courseId = '"+id+"' return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all();
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//
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// Map<Long,String>colorChoose = new HashMap<>();
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// String color[] = new String[10];
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// String[] colorList = {"#91CC75", "#5470C6", "#FAC858", "#EE6666", "#73C0DE", "#EA7CCC", "#5577FF", "#5577FF", "#9DBFFF", "#78A7FF"};
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// for (int i = 0; i < 10; i++) {
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// colorChoose.put((long) i,colorList[i]);
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// }
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//
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// Iterator<Map<String, Object>> iterator = all.iterator();
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// Set<KnowVO> knowList = new HashSet<>();
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// Set<Links>linksList = new HashSet<>();
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// KnowVO knowVO;
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// List node2 = new ArrayList<>();
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// Links links;
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// int p = 0;
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// while (iterator.hasNext()) {
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// Map<String, Object> element = iterator.next();
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// knowVO = new KnowVO();
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// Node node1 = (Node) element.get("p");
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//
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// Long group = (Long) element.get("d");
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// knowVO.setColor(colorChoose.get(group));
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//
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// Long id1 = node1.id();
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// String name1 = node1.get("name").asString();
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// knowVO.setId(id1);
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// knowVO.setLabel(name1);
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//
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// knowList.add(knowVO);
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//
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// node2 = (List) element.get("r");
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// for (int i = 0; i < node2.size(); i++) {
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// InternalRelationship e = (InternalRelationship) node2.get(i);
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// links = new Links();
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// links.setId(e.id());
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// links.setSource(e.startNodeId());
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// links.setTarget(e.endNodeId());
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// links.setLabel(e.type());
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// linksList.add(links);
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// }
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//
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//
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// }
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// BaseKnowReturn baseKnowReturn = new BaseKnowReturn(knowList,linksList);
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// System.out.println(baseKnowReturn);
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// return baseKnowReturn;
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// }
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//
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// public BaseKnowReturn getKnowById(Long id) {
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// Collection<Map<String, Object>> all =
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// neo4jClient.query( "match(n:Know)-[r*0..2]->(p:Know) where ID(n) = "+id+" return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all();
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// Map<Long,String>colorChoose = new HashMap<>();
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// String color[] = new String[10];
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// String[] colorList = {"#91CC75", "#5470C6", "#FAC858", "#EE6666", "#73C0DE", "#EA7CCC", "#5577FF", "#5577FF", "#9DBFFF", "#78A7FF"};
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// for (int i = 0; i < 10; i++) {
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// colorChoose.put((long) i,colorList[i]);
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// }
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//
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// Iterator<Map<String, Object>> iterator = all.iterator();
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// Set<KnowVO> knowList = new HashSet<>();
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// Set<Links>linksList = new HashSet<>();
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// KnowVO knowVO;
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// List node2 = new ArrayList<>();
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// Links links;
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// int p = 0;
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// while (iterator.hasNext()) {
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// Map<String, Object> element = iterator.next();
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//
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// knowVO = new KnowVO();
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// Node node1 = (Node) element.get("p");
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// Long group = (Long) element.get("d");
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// knowVO.setColor(colorChoose.get(group));
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// Long id1 = node1.id();
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// String name1 = node1.get("name").asString();
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// knowVO.setId(id1);
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// knowVO.setLabel(name1);
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// knowList.add(knowVO);
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//
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// node2 = (List) element.get("r");
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// for (int i = 0; i < node2.size(); i++) {
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// InternalRelationship e = (InternalRelationship) node2.get(i);
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// links = new Links();
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// links.setId(e.id());
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// links.setSource(e.startNodeId());
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// links.setTarget(e.endNodeId());
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// links.setLabel(e.type());
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// linksList.add(links);
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// }
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//
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//
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// }
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// BaseKnowReturn baseKnowReturn = new BaseKnowReturn(knowList,linksList);
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// System.out.println(baseKnowReturn);
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// return baseKnowReturn;
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// }
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} |
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yh