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.api.CommonPage;
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import com.gkhy.exam.common.constant.UserConstant;
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import com.gkhy.exam.common.domain.entity.SysUser;
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import com.gkhy.exam.common.enums.ApproveStatusEnum;
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import com.gkhy.exam.common.enums.PrivatizeEnum;
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import com.gkhy.exam.common.enums.UserTypeEnum;
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import com.gkhy.exam.common.exception.ApiException;
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import com.gkhy.exam.common.utils.PageUtils;
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import com.gkhy.exam.common.utils.SecurityUtils;
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import com.gkhy.exam.common.utils.StringUtils;
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import com.gkhy.exam.system.domain.ExCourse;
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import com.gkhy.exam.system.mapper.ExCourseChapterMapper;
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import com.gkhy.exam.system.mapper.ExCourseMapper;
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import com.gkhy.exam.system.mapper.ExCoursePhaseMapper;
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import com.gkhy.exam.system.service.ExCourseService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.List;
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/**
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* <p>
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* 课程表 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 2024-06-05 15:07:36
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*/
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@Service
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public class ExCourseServiceImpl extends ServiceImpl<ExCourseMapper, ExCourse> implements ExCourseService {
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@Autowired
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private ExCourseChapterMapper courseChapterMapper;
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@Autowired
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private ExCoursePhaseMapper coursePhaseMapper;
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@Override
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public CommonPage selectCourseList(ExCourse course) {
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SysUser user= SecurityUtils.getLoginUser().getUser();
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if(!user.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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course.setCompanyId(user.getCompanyId());
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}
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PageUtils.startPage();
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List<ExCourse> courseList=baseMapper.selectCourseList(course);
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return CommonPage.restPage(courseList);
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}
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@Override
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public CommonPage selectApproveCourseList(ExCourse course){
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course.setState(ApproveStatusEnum.APPROVED.getCode());
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return selectCourseList(course);
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}
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@Override
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public ExCourse selectCourseById(Long courseId) {
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ExCourse course= baseMapper.selectCourseById(courseId);
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if(course.getPrivatize().equals(PrivatizeEnum.PUBLIC.getCode())){
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return course;
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}
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SysUser currentUser=SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return course;
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}
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if(!course.getCompanyId().equals(currentUser.getCompanyId())){
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throw new ApiException("无权限查看其它企业课程");
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}
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return course;
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}
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@Override
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public int insertCourse(ExCourse course) {
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if(!checkNameUnique(course)){
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throw new ApiException("课程名称已存在");
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}
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checkUserAllowed(course);
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if(SecurityUtils.getLoginUser().getUser().getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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course.setState(ApproveStatusEnum.APPROVED.getCode());
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course.setPrivatize(PrivatizeEnum.PUBLIC.getCode());
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}else{
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course.setState(ApproveStatusEnum.TEMPORARY.getCode());
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}
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int row =baseMapper.insert(course);
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if(row<1){
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throw new ApiException("新增课程失败");
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}
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return row;
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}
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@Override
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public int updateCourse(ExCourse course) {
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if(!checkNameUnique(course)){
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throw new ApiException("课程名称已存在");
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}
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checkUserAllowed(baseMapper.selectById(course.getId()));
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int row =baseMapper.updateById(course);
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if(row<1){
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throw new ApiException("更新课程失败");
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}
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return row;
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}
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public void checkUserAllowed(ExCourse course) {
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SysUser currentUser= SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return;
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}
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if(currentUser.getUserType().equals(UserTypeEnum.STUDENT.getCode())){
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throw new ApiException("没有权限操作");
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}
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if(!currentUser.getCompanyId().equals(course.getCompanyId())){
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throw new ApiException("没有权限操作其他企业课程");
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}
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if(course.getId()!=null){
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if(course.getState().equals(ApproveStatusEnum.APPROVING.getCode())){
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throw new ApiException("课程待审批状态不能再操作");
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}
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if(course.getState().equals(ApproveStatusEnum.APPROVED.getCode())){
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throw new ApiException("已审批的课程不能再操作");
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}
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}
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}
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@Override
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public int deleteCourseById(Long courseId) {
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//校验课程是否被分配/是否存在字章节
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checkUserAllowed(baseMapper.selectById(courseId));
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Integer phaseCount= coursePhaseMapper.selectCountByCourseId(courseId);
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if(phaseCount>0){
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throw new ApiException("课程已分配，不能删除");
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}
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Integer chapterCount=courseChapterMapper.selectCountByCourseId(courseId);
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if(chapterCount>0){
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throw new ApiException("课程下存在章节，不能删除");
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}
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int row =baseMapper.deleteByCourseId(courseId);
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if(row<1){
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throw new ApiException("删除课程失败");
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}
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return row;
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}
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@Override
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public boolean checkNameUnique(ExCourse course) {
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SysUser user=SecurityUtils.getLoginUser().getUser();
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Long courseId=course.getId()==null?-1L:course.getId();
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ExCourse cou= baseMapper.checkNameUnique(course.getName(),user.getCompanyId());
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if(cou!=null&&cou.getId().longValue()!=courseId.longValue()){
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return UserConstant.NOT_UNIQUE;
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}
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return UserConstant.UNIQUE;
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}
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@Override
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public int doApprove(ExCourse course) {
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SysUser currentUser= SecurityUtils.getLoginUser().getUser();
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ExCourse dbCourse=getById(course.getId());
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if(!currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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if(currentUser.getUserType().equals(UserTypeEnum.STUDENT.getCode())){
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throw new ApiException("没有权限操作");
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}
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if(!currentUser.getCompanyId().equals(dbCourse.getCompanyId())){
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throw new ApiException("没有权限操作其他企业课程");
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}
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if(dbCourse.getState().equals(ApproveStatusEnum.APPROVED.getCode())){
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throw new ApiException("已审批的课程不能再操作");
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}
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}
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if(StringUtils.isBlank(course.getMessage())){
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course.setMessage("");
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}
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int row=baseMapper.updateById(course);
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if(row<1){
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throw new ApiException("审批失败");
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}
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return row;
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}
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@Override
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public int changeStatus(ExCourse course) {
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if(course.getId()==null||course.getStatus()==null){
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throw new ApiException("参数传参缺失");
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}
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ExCourse entity=new ExCourse().setId(course.getId()).setStatus(course.getStatus());
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entity.setUpdateBy(SecurityUtils.getUsername());
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return baseMapper.updateById(entity);
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}
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}
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