基于Java开发的心理健康咨询系统源码.zip

package com.xzq.mentalhealth.service.impl; import cn.hutool.core.collection.CollUtil; import cn.hutool.core.util.RandomUtil; import cn.hutool.core.util.StrUtil; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.xzq.mentalhealth.common.ErrorCode; import com.xzq.mentalhealth.exception.BusinessException; import com.xzq.mentalhealth.mapper.CategoryMapper; import com.xzq.mentalhealth.mapper.PaperMapper; import com.xzq.mentalhealth.mapper.QuestionMapper; import com.xzq.mentalhealth.mapper.QuestionPaperMapper; import com.xzq.mentalhealth.model.dto.HandPaperDTO; import com.xzq.mentalhealth.model.dto.PaperDTO; import com.xzq.mentalhealth.model.entity.Category; import com.xzq.mentalhealth.model.entity.Paper; import com.xzq.mentalhealth.model.entity.Question; import com.xzq.mentalhealth.model.entity.QuestionPaper; import com.xzq.mentalhealth.model.vo.PaperFrontVO; import com.xzq.mentalhealth.service.PaperService; import com.xzq.mentalhealth.service.QuestionPaperService; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.ArrayList; import java.util.List; import java.util.stream.Collectors; /** * @author 谢志强 * @description 针对表【paper(测评问卷表)】的数据库操作Service实现 * @createDate 2023-01-18 11:55:41 */ @Service public class PaperServiceImpl extends ServiceImpl<PaperMapper, Paper> implements PaperService { @Resource PaperMapper paperMapper; @Resource QuestionMapper questionMapper; @Resource CategoryMapper categoryMapper; @Resource QuestionPaperMapper questionPaperMapper; @Resource QuestionPaperService questionPaperService; @Override public Page<Paper> PaperList(long pageNum, long pageSize, String name) { Page<Paper> PaperPage = new Page<>(pageNum, pageSize); QueryWrapper<Paper> paperQueryWrapper = new QueryWrapper<>(); paperQueryWrapper.orderByAsc("id"); if (!"".equals(name)) { paperQueryWrapper.like("name", name); } return paperMapper.selectPage(PaperPage, paperQueryWrapper); } @Override public List<Paper> findAll(String name) { QueryWrapper<Paper> paperQueryWrapper = new QueryWrapper<>(); if (StrUtil.isNotBlank(name)){ paperQueryWrapper.like("name",name); } return paperMapper.selectList(paperQueryWrapper); } @Override public List<Paper> findAllByLimit(String name) { QueryWrapper<Paper> paperQueryWrapper = new QueryWrapper<>(); if (StrUtil.isNotBlank(name)){ paperQueryWrapper.like("name",name); } paperQueryWrapper.last("limit 8"); return paperMapper.selectList(paperQueryWrapper); } @Override public Integer addPaper(Paper paper) { String paperName = paper.getName(); if (paperName == null){ throw new BusinessException(ErrorCode.SYSTEM_ERROR,"名字不能为空"); } return paperMapper.insert(paper); } @Override public Integer editPaper(Paper paper) { return paperMapper.updateById(paper); } //创建测评问卷 @Override public Boolean takePaper(PaperDTO paperDTO) { //todo 防止重复添加相同的问卷 在创建之前删除 UpdateWrapper<QuestionPaper> questionPaperUpdateWrapper = new UpdateWrapper<>(); questionPaperUpdateWrapper.eq("paperId",paperDTO.getPaperId()); int delete = questionPaperMapper.delete(questionPaperUpdateWrapper); if (delete <0){ throw new BusinessException(ErrorCode.SYSTEM_ERROR); } // 通过题目分类categoryId查询出该类型下的所有题目 QueryWrapper<Question> questionQueryWrapper = new QueryWrapper<>(); questionQueryWrapper.eq("categoryId",paperDTO.getCategoryId()); // 根据categoryId所有题目,再通过type区分题型 List<Question> questions = questionMapper.selectList(questionQueryWrapper); List<Question> type1List = questions.stream().filter(question -> question.getType()==1).collect(Collectors.toList());//选择题 List<Question> type2List = questions.stream().filter(question -> question.getType()==2).collect(Collectors.toList());//判断题 // 查看题库中是否这么多数量的题型 if (type1List.size() < paperDTO.getType1()){ throw new BusinessException(ErrorCode.PARAMS_ERROR,"题库中选择题不足"); } if (type2List.size() < paperDTO.getType2()){ throw new BusinessException(ErrorCode.PARAMS_ERROR,"题库中判断题不足"); } // 开始随机组卷 List<QuestionPaper> questionPapers = getQuestionPaper(type1List.size(), paperDTO.getType1(), type1List, paperDTO.getPaperId()); questionPapers.addAll(getQuestionPaper(type2List.size(), paperDTO.getType2(), type2List, paperDTO.getPaperId())); //批量插入关联关系表 return questionPaperService.saveBatch(questionPapers); } /** * 手动创建问卷 * @param handPaperDTO * @return */ @Override public Boolean handPaper(HandPaperDTO handPaperDTO) { //todo 防止重复添加相同的问卷 在创建之前删除 UpdateWrapper<QuestionPaper> questionPaperUpdateWrapper = new UpdateWrapper<>(); questionPaperUpdateWrapper.eq("paperId",handPaperDTO.getPaperId()); int delete = questionPaperMapper.delete(questionPaperUpdateWrapper); if (delete <0){ throw new BusinessException(ErrorCode.SYSTEM_ERROR); } List<Long> handQuestionIds = handPaperDTO.getHandQuestionIds(); ArrayList<QuestionPaper> list = new ArrayList<>(); for (Long handQuestionId : handQuestionIds) { QuestionPaper questionPaper = new QuestionPaper(); questionPaper.setQuestionId(handQuestionId); questionPaper.setPaperId(handPaperDTO.getPaperId()); list.add(questionPaper); } return questionPaperService.saveBatch(list); } /** * 前台分页查询 * @param pageNum * @param pageSize * @param categoryId * @return */ @Override public Page<Paper> paperFrontList(long pageNum, long pageSize, String name, long categoryId) { Page<Paper> paperPage = new Page<>(pageNum, pageSize); //封装条件 QueryWrapper<Paper> wrapper = new QueryWrapper<>(); if(!StrUtil.isEmpty(name)) { wrapper.like("name",name); } if(categoryId > 0){ wrapper.eq("categoryId",categoryId); } return paperMapper.selectPage(paperPage, wrapper); } /** * 返回响应给前端的问卷信息数据 * @param paperId * @return */ @Override public PaperFrontVO getFrontPaperInfo(long paperId) { //根据paperId查看paper数据 Paper paper = paperMapper.selectById(paperId); if(paper == null){ throw new BusinessException(ErrorCode.SYSTEM_ERROR); } Long categoryId = paper.getCategoryId(); Category category = categoryMapper.selectById(categoryId); if (category == null){ throw new BusinessException(ErrorCode.SYSTEM_ERROR); } PaperFrontVO paperFrontVO = new PaperFrontVO(); paperFrontVO.setPaperId(paper.getId()); paperFrontVO.setName(paper.getName()); paperFrontVO.setPaperCover(paper.getPaperCover()); paperFrontVO.setCategoryName(category.getName()); paperFrontVO.setDescription(paper.getDescription()); return paperFrontVO; } /** * 查看问卷 * @param paperId * @return */ //todo 现在实后端看�