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.CodeTypeEnum;
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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.system.domain.ExCourse;
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import com.gkhy.exam.system.domain.ExCoursePhase;
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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.mapper.ExPhaseStudentMapper;
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import com.gkhy.exam.system.service.ExCoursePhaseService;
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import com.gkhy.exam.system.utils.SequenceUtils;
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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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* 课时批次表 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 ExCoursePhaseServiceImpl extends ServiceImpl<ExCoursePhaseMapper, ExCoursePhase> implements ExCoursePhaseService {
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@Autowired
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private ExPhaseStudentMapper phaseStudentMapper;
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@Autowired
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private ExCourseMapper courseMapper;
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@Autowired
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private SequenceUtils sequenceUtils;
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@Override
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public CommonPage selectCoursePhaseList(ExCoursePhase coursePhase) {
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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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coursePhase.setCompanyId(user.getCompanyId());
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}
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PageUtils.startPage();
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List<ExCoursePhase> courseList=baseMapper.selectCoursePhaseList(coursePhase);
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return CommonPage.restPage(courseList);
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}
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@Override
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public ExCoursePhase selectCoursePhaseById(Long phaseId) {
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ExCoursePhase coursePhase= baseMapper.selectCoursePhaseById(phaseId);
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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 coursePhase;
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}
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if(!coursePhase.getCompanyId().equals(currentUser.getCompanyId())){
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throw new ApiException("无权限查看其它企业批次信息");
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}
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return coursePhase;
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}
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@Override
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public int insertCoursePhase(ExCoursePhase coursePhase) {
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checkUserAllowed(coursePhase);
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checkCourseStatus(coursePhase);
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if(!checkNameUnique(coursePhase)){
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throw new ApiException("批次名称已存在");
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}
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coursePhase.setCode(sequenceUtils.getNextSequence(CodeTypeEnum.COUSE_PHASE.getCode()));
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coursePhase.setCreateBy(SecurityUtils.getUsername());
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int row=baseMapper.insert(coursePhase);
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if(row<1){
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throw new ApiException("新增批次失败");
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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 updateCoursePhase(ExCoursePhase coursePhase) {
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checkUserAllowed(coursePhase);
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checkCourseStatus(coursePhase);
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if(!checkNameUnique(coursePhase)){
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throw new ApiException("批次名称已存在");
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}
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coursePhase.setCode(null);
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int row=baseMapper.updateById(coursePhase);
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if(row<1){
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throw new ApiException("更新批次失败");
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}
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return row;
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}
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public void checkUserAllowed(ExCoursePhase coursePhase) {
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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(coursePhase.getCompanyId()!=null&&!currentUser.getCompanyId().equals(coursePhase.getCompanyId())){
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throw new ApiException("没有权限操作其他企业批次");
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}
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int level=coursePhase.getLevel();
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if((level==1 ||level==4) && currentUser.getUserType()>UserTypeEnum.COMPANY_USER.getCode()){
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throw new ApiException("当前账户无权限新增公司级批次");
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}
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if(level==2 && currentUser.getUserType()>UserTypeEnum.DEPART_USER.getCode()){
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throw new ApiException("当前账户无权限新增事业部级级批次");
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}
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}
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private void checkCourseStatus(ExCoursePhase coursePhase){
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Long courseId=coursePhase.getCourseId();
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ExCourse course= courseMapper.selectById(courseId);
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if(course.getStatus().equals(UserConstant.DISENABLE)){
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throw new ApiException("课程已禁用，不能分配");
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}
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if(!course.getState().equals(ApproveStatusEnum.APPROVED.getCode())){
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throw new ApiException("课程审批未通过，不能分配");
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}
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}
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@Override
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public int deleteCoursePhaseById(Long phaseId) {
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checkUserAllowed(baseMapper.selectById(phaseId));
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//查询该批次分配的学员人数
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int studentCount=phaseStudentMapper.countByPhaseId(phaseId);
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if(studentCount>0){
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throw new ApiException("该批次下已分配学员，不能删除");
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}
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int row=baseMapper.deleteByPhaseId(phaseId);
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if(row<1){
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throw new ApiException("删除批次失败");
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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(ExCoursePhase coursePhase) {
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Long phaseId=coursePhase.getId()==null?-1L:coursePhase.getId();
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ExCoursePhase phase= baseMapper.checkNameUnique(coursePhase.getName());
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if(phase!=null&&phase.getId().longValue()!=phaseId.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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}
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